优点英语专题01阅读理解之说明文【2021年】1.（2021年新高考I卷）CWhentheexplorersfirstsetfootuponthecontinentofNorthAmerica,theskiesandlandswerealivewithanastonishingvarietyofwildlife.NativeAmericanshadtakencareofthesepreciousnaturalresourceswisely.Unfortunately,ittooktheexplorersandthesettlerswhofollowedonlyafewdecadestodecimatealargepartoftheseresources.Millionsofwaterfowl(水禽)werekilledatthehandsofmarkethuntersandahandfulofoverlyambitioussportsmen.Millionsofacresofwetlandsweredriedtofeedandhousetheever-increasingpopulations,greatlyreducingwaterfowlhabitat.In1934,withthepassageoftheMigratoryBirdHuntingStampAct(Act),anincreasinglyconcernednationtookfirmactiontostopthedestructionofmigratory(迁徙的)waterfowlandthewetlandssovitaltotheirsurvival.UnderthisAct,allwaterfowlhunters16yearsofageandovermustannuallypurchaseandcarryaFederalDuckStamp.TheveryfirstFederalDuckStampwasdesignedbyJ.N.“Ding”Darling,apoliticalcartoonistfromDesMoines,lowa,whoatthattimewasappointedbyPresidentFranklinRooseveltasDirectoroftheBureauofBiologicalSurvey.Hunterswillinglypaythestamppricetoensurethesurvivalofournaturalresources.About98centsofeveryduckstampdollargoesdirectlyintotheMigratoryBirdConservationFundtopurchasewetlandsandwildlifehabitatforinclusionintotheNationalWildlifeRefugeSystem—afactthatensuresthislandwillbeprotectedandavailableforallgenerationstocome.Since1934,betterthanhalfabilliondollarshasgoneintothatFundtopurchasemorethan5millionacresofhabitat.LittlewondertheFederalDuckStampProgramhasbeencalledoneofthemostsuccessfulconservationprogramseverinitiated.28.WhatwasacauseofthewaterfowlpopulationdeclineinNorthAmerica?A.Lossofwetlands.B.Popularityofwatersports.C.Pollutionofrivers.D.Arrivalofotherwildanimals.29.Whatdoestheunderlinedword“decimate”meaninthefirstparagraph?A.Acquire.B.Export.C.Destroy.D.Distribute.30.WhatisadirectresultoftheActpassedin1934?A.Thestamppricehasgonedown.B.Themigratorybirdshaveflownaway.C.Thehuntershavestoppedhunting.D.Thegovernmenthascollectedmoney.,优点英语31.Whichofthefollowingisasuitabletitleforthetext?A.TheFederalDuckStampStoryB.TheNationalWildlifeRefugeSystemC.TheBenefitsofSavingWaterfowlD.TheHistoryofMigratoryBirdHunting2.（2021年新高考I卷）DPopularizationhasinsomecaseschangedtheoriginalmeaningofemotional(情感的)intellingence.Manypeoplenowmisunderstandemotionalintelligenceasalmosteverythingdesirableinaperson'smakeupthatcannotbemeasuredbyanIQtest,suchascharacter,motivation,confidence,mentalstability,optimismand“peopleskills.”Researchhasshownthatemotionalskillsmaycontributetosomeofthesequalities,butmostofthemmovefarbeyondskill-basedemotionalintelligence.Weprefertodescribeemotionalintelligenceasaspecificsetofskillsthatcanbeusedforeithergoodorbadpurposes.Theabilitytoaccuratelyunderstandhowothersarefeelingmaybeusedbyadoctortofindhowbesttohelpherpatients,whileacheatermightuseittocontrolpotentialvictims.Beingemotionallyintelligentdoesnotnecessarilymakeoneamoralperson.Althoughpopularbeliefsregardingemotionalintelligencerunfaraheadofwhatresearchcanreasonablysupport,theoveralleffectsofthepublicityhavebeenmorebeneficialthanharmful.Themostpositiveaspectofthispopularizationisanewandmuchneededemphasis(重视)onemotionbyemployers,educatorsandothersinterestedinpromotingsocialwell-being.Thepopularizationofemotionalintelligencehashelpedboththepublicandresearchersre-evaluatethefunctionalityofemotionsandhowtheyservepeopleadaptivelyineverydaylife.Althoughthecontinuingpopularappealofemotionalintelligenceisdesirable,wehopethatsuchattentionwillexciteagreaterinterestinthescientificandscholarlystudyofemotion.Itisourhopethatincomingdecades,advancesinsciencewilloffernewperspectives(视角)fromwhichtostudyhowpeoplemanagetheirlives.Emotionalintelligence,withitsfocusonbothheadandheart,mayservetopointusintherightdirection.32.Whatisacommonmisunderstandingofemotionalintelligence?A.ItcanbemeasuredbyanIQtest.B.Ithelpstoexerciseaperson’smind.C.Itincludesasetofemotionalskills.D.Itreferstoaperson’spositivequalities.33.Whydoestheauthormention“doctor”and“cheater”inparagraph2?A.Toexplainarule.B.Toclarifyaconcept.C.Topresentafact.D.Tomakeaprediction.34.Whatistheauthor’sattitudetothepopularizationofemotionalintelligence?,优点英语A.Favorable.B.Intolerant.C.Doubtful.D.Unclear.35.Whatdoesthelastparagraphmainlytalkaboutconcerningemotionalintelligence?A.Itsappealtothepublic.B.Expectationsforfuturestudies.C.Itspracticalapplication.D.Scientistswithnewperspectives.3.（2021年全国甲卷）BPortLympneReserve,whichrunsabreeding(繁育)programme,haswelcomedthearrivalofarareblackrhinocalf(犀牛幼崽).WhenthetinycreaturearrivedonJanuary31,shebecamethe40thblackrhinotobebornatthereserve.AndofficialsatPortLympneweredelightedwiththenewarrival,especiallyasblackrhinosareknownforbeingdifficulttobreedincaptivity(圈养).PaulBeer,headofrhinosectionatPortLympne,said:“Obviouslywe'reallabsolutelydelightedtowelcomeanothercalftoourblackrhinofamily.She'shealthy,strongandalreadyeagertoplayandexplore.Hermother,Solio,isafirst-timemumandsheisdoingafantasticjob.It'sstillalittletoocoldforthemtogooutintotheopen,butassoonastheweatherwarmsup,Ihavenodoubtthatthelittleonewillbeoutandaboutexploringandplayingeveryday.”Theadorablefemalecalfisthesecondblackrhinobornthisyearatthereserve,butitistooearlytotellifthecalveswillmakegoodcandidatestobereturnedtoprotectedareasofthewild.ThefirstrhinotobebornatPortLympnearrivedonJanuary5tofirst-timemotherKisimaandweighedabout32kg.Hismother,grandmotherandgreatgrandmotherwereallbornatthereserveandstilllivethere.AccordingtotheWorldWildlifeFund,theglobalblackrhinopopulationhasdroppedaslowas5500,givingtherhinosa“criticallyendangered”status.4.Whichofthefollowingbestdescribesthebreedingprogramme?A.Costly.B.Controversial.C.Ambitious.D.Successful.5.WhatdoesPaulBeersayaboutthenew-bornrhino?A.Shelovesstayingwithhermother.B.Shedislikesoutdooractivities.C.SheisingoodconditionD.Sheissensitivetoheat.6.WhatsimilarexperiencedoSolioandKisimahave?A.TheyhadtheirfirstborninJanuary.B.TheyenjoyedexploringnewplacesC.Theylivedwiththeirgrandmothers.D.Theywerebroughttothereserveyoung,优点英语7.WhatcanbeinferredaboutPornLympneReserve?A.Therhinosectionwillbeopentothepublic.B.Itaimstocontrolthenumberoftheanimals.C.ItwillcontinuetoworkwiththeWorldWildlifeFund.D.Someofitsrhinosmaybesenttotheprotectedwildareas.4.（2021年全国乙卷）ATheBiggestStadiumsintheWorldPeoplehavebeenpouringintostadiumssincethedaysofancientGreece.Inaround80A.D.,theRomansbuilttheColosseum,whichremainstheworld’sbestknownstadiumandcontinuestoinformcontemporarydesign.Rome’sColosseumwas157feettallandhad80entrances,seating50,000people.However,thatwassmallfrycomparedwiththecity’sCircusMaximus,whichaccommodatedaround250,000people.Thesedays,safetyregulations-nottomentionthemodernsportsfan’sdesireforagoodviewandcomfortableseat—tendtokeepstadiumcapacities（容量）slightlylower.Evensoccerfanstendtohaveaseateach;gonearethedaysofthousandsstandingtowatchthematch.Forthebiggeststadiumsintheworld,wehaveuseddatasuppliedbytheWorldAtlaslistsofar,whichranksthembytheirstatedpermanentcapacity,aswellasupdatedinformationfromofficialstadiumwebsites.Allthesestadiumsarestillfuntiona1,stillopenandstillhostingthebiggesteventsinworldsport.·Rungrado1stofMayStadium,PyongyangD.P.R.Korea.Capacity:150,000.Opened:May1,1989.·MichiganStadium,AnnArbor,Michigan,U.S.Capacity:107,601.Opened:October1,1927.·BeaverStadium,StateCollege,Pennsylvania,U.S.Capacity:106,572.Opened:September17,1960.·OhioStadium,Columbus,Ohio,U.S.Capacity:104,944.Opened:October7,1922.·KyleField,CollegeStation,Texas,U.S.Capacity:102,512.Opened:September24,1927.21.HowmanypeoplecouldtheCircusMaximushold?A.104,944.B.107,601.C.About150,000.D.About250,000.22.Ofthefollowingstadiums,whichistheoldest?A.MichiganStadium.B.BeaverStadium.C.OhioStadium.D.KyleField.23.Whatdothelistedstadiumshaveincommon?A.Theyhostbiggames.B.Theyhavebecometouristattractions.C.TheywerebuiltbyAmericans.D.Theyarefavoredbyarchitects.,优点英语5.（2021年全国乙卷）BWhenalmosteveryonehasamobilephone,whyaremorethanhalfofAustralianhomesstillpayingforalandline（座机）?Thesedaysyou’dbehardpressedtofindanyoneinAustraliaovertheageof15whodoesn’townamobilephone.Infactplentyofyoungerkidshaveoneintheirpocket.Practicallyeveryonecanmakeandreceivecallsanywhere,anytime.Still,55percentofAustralianshavealandlinephoneathomeandonlyjustoveraquarter（29%）relyonlyontheirsmartphonesaccordingtoasurvey（调查）.OfthoseAustralianswhostillhavealandline,athirdconcedethatit’snotreallynecessaryandthey’rekeepingitasasecurityblanket—19percentsaytheyneveruseitwhileafurther13percentkeepitincaseofemergencies.Ithinkmyhomefallsintothatcategory.MorethanhalfofAustralianhomesarestillchoosingtostickwiththeirhomephone.Ageisnaturallyafactor（因素）—only58percentofGenerationYsstilluselandlinesnowandthen,comparedto84percentofBabyBoomerswho’veperhapshadthesamehomenumberfor50years.Ageisn’ttheonlyfactor;I’dsayit’salsotodowiththemakeupofyourhousehold.GenerationXerswithyoungfamilies,likemywifeandI,canstillfinditconvenienttohaveahomephoneratherthanprovidingamobilephoneforeveryfamilymember.Thatsaid,tobehonesttheonlypeoplewhoeverringourhomephoneareourBabyBoomersparents,tothepointwhereweplayagameandguesswhoiscallingbeforewepickupthephone（usingCallerIDwouldtakethefunoutofit）.Howattachedareyoutoyourlandline?Howlonguntiltheygothewayofgasstreetlampsandmorningmilkdeliveries?24.Whatdoesparagraph2mainlytellusaboutmobilephones?A.Theirtargetusers.B.Theirwidepopularity.C.Theirmajorfunctions.D.Theircomplexdesign.25.Whatdoestheunderlinedword“concede”inparagraph3mean?A.Admit.B.Argue.C.Remember.D.Remark.26.WhatcanwesayaboutBabyBoomers?A.Theylikesmartphonegames.B.Theyenjoyguessingcallers’identity.C.Theykeepusinglandlinephones.D.Theyareattachedtotheirfamily.,优点英语27.Whatcanbeinferredaboutthelandlinefromthelastparagraph?A.Itremainsafamilynecessity.B.Itwillfalloutofusesomeday.C.Itmayincreasedailyexpenses.D.Itisasimportantasthegaslight.6.（2021年全国乙卷）CYou’veheardthatplasticispollutingtheoceans—between4.8and12.7milliontonnesenteroceanecosystemseveryyear.Butdoesoneplasticstraworcupreallymakeadifference?ArtistBenjaminVonWongwantsyoutoknowthatitdoes.Hebuildsmassivesculpturesoutofplasticgarbage,forcingviewerstore-examinetheirrelationshiptosingle-useplasticproducts.Atthebeginningoftheyear,theartistbuiltapiececalled“Strawpocalypse,”apairof10-foot-tallplasticwaves,frozenmid-crash.Madeof168,000plasticstrawscollectedfromseveralvolunteerbeachcleanups,thesculpturemadeitsfirstappearanceattheEstellaPlaceshoppingcenterinHoChiMinhCity,Vietnam.Just9%ofglobalplasticwasteisrecycled.Plasticstrawsarebynomeansthebiggestsource（来源）ofplasticpollution,butthey’verecentlycomeunderfirebecausemostpeopledon’tneedthemtodrinkwithand,becauseoftheirsmallsizeandweight,theycannotberecycled.Everystrawthat’spartofVonWong’sartworklikelycamefromadrinkthatsomeoneusedforonlyafewminutes.Oncethedrinkisgone,thestrawwilltakecenturiestodisappear.Inapiecefrom2018,VonWongwantedtoillustrate（说明）aspecificstatistic:Every60seconds,atruckload’sworthofplasticenterstheocean.Forthiswork,titled“TruckloadofPlastic,”VonWongandagroupofvolunteerscollectedmorethan10,000piecesofplastic,whichwerethentiedtogethertolooklikethey’dbeendumped（倾倒）fromatruckallatonce.VonWonghopesthathisworkwillalsohelppressurebigcompaniestoreducetheirplasticfootprint.28.WhatareVonWong’sartworksintendedfor?A.Beautifyingthecityhelivesin.B.Introducingeco-friendlyproducts.C.Drawingpublicattentiontoplasticwaste.D.Reducinggarbageonthebeach.29.Whydoestheauthordiscussplasticstrawsinparagraph3?A.Toshowthedifficultyoftheirrecycling.B.Toexplainwhytheyareuseful.,优点英语C.Tovoicehisviewsonmodernart.D.Tofindasubstituteforthem.30.Whateffectwould“TruckloadofPlastic”haveonviewers?A.Calming.B.Disturbing.C.Refreshing.D.Challenging.31.Whichofthefollowingcanbethebesttitleforthetext?A.Artists’OpinionsonPlasticSafetyB.MediaInterestinContemporaryArtC.ResponsibilityDemandedofBigCompaniesD.OceanPlasticsTransformedintoSculptures7.（2021年全国乙卷）DDuringaninterviewforoneofmybooks,myinterviewersaidsomethingIstillthinkaboutoften.Annoyedbythelevelofdistraction（干扰）inhisopenoffice,hesaid,“That’swhyIhaveamembershipatthecoworkingspaceacrossthestreet—soIcanfocus”.Hiscommentstruckmeasstrange.Afterall,coworkingspacesalsotypicallyuseanopenofficelayout（布局）.ButIrecentlycameacrossastudythatshowswhyhisapproachworks.Theresearchersexaminedvariouslevelsofnoiseonparticipantsastheycompletedtestsofcreativethinking.Theywererandomlydividedintofourgroupsandexposedtovariousnoiselevelsinthebackground,fromtotalsilenceto50decibels（分贝）,70decibels,and85decibels.Thedifferencesbetweenmostofthegroupswerestatisticallyinsignificant;however,theparticipantsinthe70decibelsgroup—thoseexposedtoalevelofnoisesimilartobackgroundchatterinacoffeeshop—significantlyoutperformedtheothergroups.Sincetheeffectsweresmall,thismaysuggestthatourcreativethinkingdoesnotdifferthatmuchinresponsetototalsilenceand85decibelsofbackgroundnoise.Butsincetheresultsat70decibelsweresignificant,thestudyalsosuggeststhattherightlevelofbackgroundnoise—nottooloudandnottotalsilence—mayactuallyimproveone’screativethinkingability.Therightlevelofbackgroundnoisemayinterruptournormalpatternsofthinkingjustenoughtoallowourimaginationstowander,withoutmakingitimpossibletofocus.Thiskindof“distractedfocus”appearstobethebeststateforworkingoncreativetasks.Sowhydosomanyofushateouropenoffices?Theproblemmaybethat,inouroffices,wecan’tstop,优点英语ourselvesfromgettingdrawnintoothers’conversationswhilewe’retryingtofocus.Indeed,theresearchersfoundthatface-to-faceinteractionsandconversationsaffectthecreativeprocess,andyetacoworkingspaceoracoffeeshopprovidesacertainlevelofnoisewhilealsoprovidingfreedomfrominterruptions.32.Whydoestheinterviewerpreferacoworkingspace?A.Ithelpshimconcentrate.B.Itblocksoutbackgroundnoise.C.Ithasapleasantatmosphere.D.Itencouragesface-to-faceinteractions.33.Whichlevelofbackgroundnoisemaypromotecreativethinkingability?A.Totalsilence.B.50decibelsC.70decibels.D.85decibels.34.Whatmakesanopenofficeunwelcometomanypeople?A.Personalprivacyunprotected.B.Limitedworkingspace.C.Restrictionsongroupdiscussion.D.Constantinterruptions.35.Whatcanweinferabouttheauthorfromthetext?A.He’sanewsreporter.B.He’sanofficemanager.C.He’saprofessionaldesigner.D.He’sapublishedwriter.8.（2021年天津卷）AtrialprojectbytheMontrealChildren'sHospitalsuggestedthattheuseofmedicalhypnosis(催眠)canreducepainandanxietyinpatients.Theprojectalsoresultedinareductionintheamountofmedicinesusedtoperformmedical-imagingimaging(医学影像)procedures.“Duringtheexaminationchildrendon'tmove.Itworksperfectly.It'samazing,“saidJohanneL'Ecuyer,amedical-imagingtechnologistatthehospital.TheprojectwasinspiredbyaFrenchteamfromRouenUniversityHospitalCentrewhereexaminationsaredoneunderhypnosisinsteadofgeneralanesthesia(麻醉）.AFrenchmedical-imagingtechnologist-alsoahypnotist—wasinvitedtotrainafewmembersinthemedical-imagingdepartmentofthechildren'shospital.Inall,80examinationswereconductedfortheprojectbetweenJanuaryandSeptember,2019,focusingontheimagingproceduresthatwouldcauseanxiety.Hypnosisisnotastateofsleep:Itisratheramodified(改变的)stateofconsciousness.Thetechnologistwillguidethepatienttothismodifiedstate—animaginaryworldthatwilldisassociateitselfmoreandmorefromtheprocedurethatfollows.,优点英语“Thetechnologistmustbuildupastorywiththepatient,"Ms.L'Ecuyersaid."Thepatientisleftwiththepowertochoosewhathewantstotalkabout.Doyouplaysports?Doyoulikegoingtothebeach?Weestablishasubjectthatwewilldiscussthroughouttheprocedure."Everythingthathappensnextduringtheproceduremustberelatedtothisstory—aninjection（注射）becomesthebiteofaninsect;theheatontheskinbecomesthesensationofthesunandamachinethatringsbecomesapolicecarpassingnearby.“Theimportantthingisthatthetechnologistassociateswhatishappeningoutsidethepatient'sbodywithwhatthepatientseesinhishead,"Ms.L'Ecuyersaid."Itrequirescreativityonthepartofthetechnologist,imagination,alotofpatienceandkindness."TheprocedureappealedtothestaffalotwhenitwasintroducedinJanuary.ItspreadlikewildfirethatsomeonefromFrancewasheretotrainthetechnologists,"Ms.L'Ecuyersaid.Sheaddedthatshehadalineofstaffatherdoorwantingtotakethetraining.51．Oneoftheresultsproducedbythetrialprojectis________.A．abetterunderstandingofchildrenB．lessuseofcertainmedicinesC．newmedical-imagingtechnologyD．animprovedreputationofthehospital52．TheFrenchtechnologistcametothechildren'shospitalto________.A．assistintreatingapatientB．carryouthypnosistrainingC．startupanewdepartmentD．learnabouttheprocedure53．AccordingtoParagraph5,hypnosisworksby________.A．creatingaperfectworldforpatientsB．forcingpatientsintoastateofdeepsleepC．puttingpatientsintoanunconsciousstateD．leadingpatients'consciousnessawayfromreality54．Whatcanwelearnaboutthestoryusedintheprocedure?A．Itshouldkeeppacewiththeprocedure.,优点英语B．Itreflectsthepatient'screativity.C．Itisselectedbythetechnologist.D．Ittellswhatdoctorsaredoingtothepatient.55．Theprocedurewasreceivedamongthestaffwith________.A．uncertaintyB．enthusiasmC．worryD．criticism56．Whatisthepassagemainlyabout?A．Aneasywaytocommunicatewithpatients.B．Thestandardmethodofconductinghypnosis.C．Anintroductionofmedical-imagingtechnology.D．Theuseofhypnosisinmedical-imagingprocedures.9.（2021年1月浙江）Yourunintothegrocerystoretopickuponebottleofwater.Yougetwhatyouneed,headtothefront,andchoosethelinethatlooksfastest.Youchosewrong.Peoplewhoyousweargotinotherlineslongafteryouarealreadycheckedoutandofftotheparkinglot.1．Itturnsout,it'sjustmathworkingagainstyou;chancesare,theotherlinereallyisfaster.Grocerystorestrytohaveenoughemployeesatcheckouttogetalltheircustomersthroughwithminimumdelay.2．Anysmallinterruption-apricecheck,achattycustomer-canhavedownstreameffects,holdingupanentireline.Iftherearethreelinesinthestore,delayswillhappenrandomlyatdifferentregisters.Thinkabouttheprobability:3．Soit'snotjustinyourmind:Anotherlineprobablyismovingfaster.Researchershaveagoodwaytodealwiththisproblem.Makeallcustomersstandinonelong,snakingline-calledaserpentineline-andserveeachpersonatthefrontwiththenextavailableregister.4．Thisiswhattheydoatmostbanksandfast-foodrestaurants.Withaserpentineline,alongdelayatoneregisterwon'tunfairlypunishthepeoplewholinedupbehindit.Instead,itwillslowdowneveryonealittlebitbutspeedupcheckoutoverall.5．Ittakesmanyregisterstokeeponelinemovingquickly,andsomestorescan'taffordthespaceormanpower.Sowhereveryournextwaitmaybe:Goodluck.,优点英语A．Whydoesthisalwaysseemtohappentoyou?B．Sowhydon'tmostplacesencourageserpentinelines?C．Someofthemayhavestoodinaqueueforalmostanhour.D．Thechancesofyourlinebeingthefastestareonlyoneinthree.E.Howhighistheprobabilitythatyouareinthefastestwaitingline?F.Withthreeregisters,thismethodismuchfasterthanthetraditionalapproach.G.Butsometimes,asonaSundayafternoon,thesystemgetsparticularlybusy.10.（2021年1月浙江卷）Atthestartofthe20thcentury,anAmericanengineernamedJohnElfrethWatkinsmadepredictionsaboutlifetoday.Hispredictionsaboutslowingpopulationgrowth,mobilephonesandincreasingheightwereclosetothemark.Buthewaswronginoneprediction:thateverybodywouldwalk10milesaday.Today,inAustralia,mostchildrenonaveragefall2,000stepsshortofthephysicalactivitytheyneedtoavoidbeingoverweight.Intheearly1970s,40percentofchildrenwalkedtoschool,whilein2010,itwasaslowas15percent.Thedeclineisnotbecausewehaveallbecomelazy.Familiesarepressedfortime,manywithbothparentsworkingtopayfortheirhouse,oftenworkinghoursnotoftheirchoosing,livingincar-dependentneighborhoodswithlimitedpublictransport.Theothersideofthecoinisequallyadeprivation:forhealthandwell-being,aswellaslostopportunities（机会）forchildrentogettoknowtheirlocalsurroundings.Andforparentstherearelostopportunitiestowalkandtalkwiththeiryoungscholarabouttheirday.Mostparentswillhaveeagerlyaskedtheirchildabouttheirday,onlytomeetwitha“good”,quicklyfollowedby"I'mhungry".Thisisalsomyexperienceasamother.Butsomewhereoverthedailywalkmoreaboutmyson'sdaycomesout.Ihearhimmakingsenseoffriendshipanditslimits.Thisistheunexpectedandrareparentalopportunitytohearmore.Manyprimaryschoolssupportwalkingschool-busroutes（路线）,withdaysofregular,parent-accompaniedwalks.Doingjustoneoftheseafewtimesaweekisbetterthannothing.Itcanbetoughtobeginandtakesalittleplanning-runningshoesbythefrontdoor,lunchesmadethenightbefore,umbrellasonrainydaysandhatsonhot,优点英语ones-butit'scertainlyworthtrying.41．WhydoestheauthormentionWatkins'predictionsinthefirstparagraph?A．Tomakecomparisons.B．Tointroducethetopic.C．Tosupportherargument.D．Toprovideexamples.42．WhathascausedthedecreaseinAustralianchildren'sphysicalactivity?A．Plainlaziness.B．Healthproblems.C．Lackoftime.D．Securityconcerns.43．Whydoestheauthorfindwalkingwithhersonworthwhile?A．Shecangetrelaxedafterwork.B．Shecankeepphysicallyfit.C．Shecanhelpwithherson'sstudy.D．Shecanknowhersonbetter.11.（2021年1月浙江卷）Researcherssaytheyhavetranslatedthemeaningofgesturesthatwildchimpanzees(黑猩猩)usetocommunicate.Theysaywildchimpscommunicate19specificmessagestooneanotherwitha"vocabulary"of66gestures.ThescientistsdiscoveredthisbyfollowingandfilminggroupsofchimpsinUganda,andexaminingmorethan5,000incidentsofthesemeaningfulexchanges.DrCatherineHobaiter,wholedtheresearch,saidthatthiswastheonlyformofintentionalcommunicationtoberecordedintheanimalkingdom.Onlyhumansandchimps,shesaid,hadasystemofcommunicationwheretheydeliberatelysentamessagetoanothergroupmember."That'swhat'ssoamazingaboutchimpgestures,"shesaid."They'retheonlythingthatlookslikehumanlanguageinthatrespect.”Althoughpreviousresearchhasshownthatapesandmonkeyscanunderstandcomplexinformationfromanotheranimal'scall,theanimalsdonotappeartousetheirvoicesintentionallytocommunicatemessages.Thiswasasignificantdifferencebetweencallsandgestures,DrHobaitersaid.Chimpswillchecktoseeiftheyhavetheattentionoftheanimalwithwhichtheywishtocommunicate.Inonecase,amotherpresentsherfoottohercryingbaby,signaling:"Climbonme."Theyoungsterimmediatelyjumpsontoitsmothersbackandtheytravelofftogether."Thebigmessagefromthisstudyisthatthereisanotherspecies(物种)outthere.thatismeaningfulinitscommunication,sothat'snotuniquetohumans,"saidDrHobaiter.DrSusanneShultz,anevolutionarybiologistfromtheUniversityofManchester,saidthestudywaspraiseworthyinseekingtoenrichourknowledgeoftheevolutionofhumanlanguage.But,sheadded,theresults,优点英语were"alittledisappointing"."Thevaguenessofthegesturemeaningssuggestseitherthatthechimpshavelittletocommunicate,orwearestillmissingalotoftheinformationcontainedintheirgesturesandactions,"shesaid."Moreover,themeaningsseemtonotgobeyondwhatotheranimalconveywithnon-verbalcommunication.So,itseemsthegulfremains."44．WhatdochimpsandhumanshaveincommonaccordingtoDrHobaiter?A．Memorizingspecificwords.B．Understandingcomplexinformation.C．Usingvoicestocommunicate.D．Communicatingmessagesonpurpose.45．WhatdidDrShultzthinkofthestudy?A．Itwaswelldesignedbutpoorlyconducted.B．Itwasagoodtrybutthefindingswerelimited.C．Itwasinspiringbuttheevidencewasunreliable.D．Itwasafailurebutthemethodsdeservedpraise.46．Whatdoestheunderlinedword"gulf"inthelastparagraphmean?A．Difference.B．Conflict.C．Balance.D．Connection.47．Whichofthefollowingisthebesttitleforthetext?A．ChimpanzeebehaviourstudyachievedabreakthroughB．ChimpanzeesdevelopedspecificcommunicationskillsC．Chimpanzees:thesmartestspeciesintheanimalkingdomD．Chimpanzeelanguage:communicationgesturestranslated12.（2021年6月浙江卷）CIfyouevergettheimpressionthatyourdogcan"tell"whetheryoulookcontentorannoyed,youmaybeontosomething.Dogsmayindeedbeabletodistinguishbetweenhappyandangryhumanfaces,accordingtoanewstudyResearcherstrainedagroupof11dogstodistinguishbetweenimages(图像)ofthesamepersonmakingeitherahappyoranangryface.Duringthetrainingstage,eachdogwasshownonlytheupperhalforthelowerhalfoftheperson'sface.Theresearchersthentestedthedogs'abilitytodistinguishbetweenhumanfacialexpressionsbyshowingthemtheotherhalfoftheperson'sfaceonimagestotallydifferentfromtheonesusedintraining.Theresearchersfoundthatthedogswereabletopicktheangryorhappyfacebytouchingapictureofitwiththeirnoses,优点英语moreoftenthanonewouldexpectbyrandomchance.Thestudyshowedtheanimalshadfiguredouthowtoapplywhattheylearnedabouthumanfacesduringtrainingtonewfacesinthetestingstage."Wecanruleoutthatthedogssimplydistinguishbetweenthepicturesbasedonasimplecue,suchasthesightofteeth,"saidstudyauthorCorsinMuller."Instead,ourresultssuggestthatthesuccessfuldogsrealizedthatasmilingmouthmeansthesamethingassmilingeyes,andthesameruleappliestoanangrymouthhavingthesamemeaningasangryeyes.""Withourstudy,wethinkwecannowconfidentlyconcludethatatleastsomedogscandistinguishhumanfacialexpressions,"MullertoldLiveScience.Atthispoint,itisnotclearwhydogsseemtobeequippedwiththeabilitytorecognizedifferentfacialexpressionsinhumans."Tous,themostlikelyexplanationappearstobethatthebasisliesintheirlivingwithhumans,whichgivesthemalotofexposuretohumanfacialexpressions,"andthisexposurehasprovidedthemwithmanychancestolearntodistinguishbetweenthem,Mullersaid.8.Thenewstudyfocusedonwhetherdogscan_________.A.distinguishshapesB.makesenseofhumanfacesC.feelhappyorangryD.communicatewitheachother9.Whatcanwelearnaboutthestudyfromparagraph2?A.Researcherstestedthedogsinrandomorder.B.Diversemethodswereadoptedduringtraining.C.PicturesusedinthetwostagesweredifferentD.Thedogswerephotographedbeforethelest.10.Whatisthelastparagraphmainlyabout?A.Asuggestionforfuturestudies.B.Apossiblereasonforthestudyfindings.C.AmajorlimitationofthestudyD.Anexplanationoftheresearchmethod.【2020年】1.（2020·新课标Ⅰ）BReturningtoabookyou’vereadmanytimescanfeellikedrinkswithanoldfriend.There’sawelcomefamiliarity-butalsosometimesaslightsuspicionthattimehaschangedyouboth,andthustherelationship.Butbooksdon’tchange,peopledo.Andthat’swhatmakestheactofrereadingsorichandtransformative.Thebeautyofrereadingliesintheideathatourbondwiththeworkisbasedonourpresentmentalregister.,优点英语It’strue,theolderIget,themoreIfeeltimehaswings.Butwithreading,it’sallaboutthepresent.It’saboutthenowandwhatonecontributestothenow,becausereadingisagiveandtakebetweenauthorandreader.Eachhastopulltheirownweight.TherearethreebooksIrereadannuallyThefirst,whichItaketoreadingeveryspringisEmestHemningway’sAMoveableFeast.Publishedin1964,it’shisclassicmemoirof1920sParis.Thelanguageisalmostintoxicating(令人陶醉的)，anagingwriterlookingbackonanambitiousyetsimplertime.AnotherisAnnieDillard’sHolytheFirm,herpoetic1975ramble(随笔)abouteverythingandnothing.ThethirdbookisJulioCortazar’sSaveTwilight:SelectedPoems,becausepoetry.AndbecauseCortazar.WhileItendtobuyalotofbooks,thesethreeweregiventomeasgifs,whichmightaddtothemeaningIattachtothem.ButIimaginethat,whilemoneyisindeedwonderfulandnecessary,rereadinganauthor’sworkisthehighestcurrencyareadercanpaythem.Thebestbooksaretheonesthatopenfurtherastimepasses.Butremember,it’syouthathastogrowandreadandrereadinordertobetterunderstandyourfriends.24.Whydoestheauthorlikerereading?A.Itevaluatesthewriter-readerrelationship.B.It’sawindowtoawholenewworld.C.It’sasubstitutefordrinkingwithafriend.D.Itextendstheunderstandingofoneself.25.WhatdoweknowaboutthebookAMoveableFeas!?A.It’sabriefaccountofatrip.B.It’saboutHemingway’slifeasayoungman.C.It’sarecordofahistoricevent.D.It’saboutHemingway’sfriendsinParis.26.Whatdoestheunderlinedword＂currency＂inparagraph4referto?A.DebtB.Reward.CAllowance.D.Facevalue.27.Whatcanweinferabouttheauthorfromthetext?A.Helovespoetry.,优点英语B.He’saneditor.C.He’sveryambitious.D.Heteachesreading.2.（2020·新课标Ⅰ）CRacewalkingsharesmanyfitnessbenefitswithrunning,researchshows,whilemostlikelycontributingtofewerinjuries.Itdoes,however,haveitsownproblem.Racewalkersareconditionedathletes.ThelongesttrackandfieldeventattheSummerOlympicsisthe50-kilometerracewalk,whichisaboutfivemileslongerthanthemarathon.Butthesport’srulesrequirethataracewalker’skneesstaystraightthroughmostofthelegswingandonefootremainincontact(接触)withthegroundatalltimes.It’sthisstrangeformthatmakesracewalkingsuchanattractiveactivity,however,saysJaclynNorberg,anassistantprofessorofexercisescienceatSalemStateUniversityinSalem,Mass.Likerunning,racewalkingisphysicallydemanding,shesays,Accordingtomostcalculations,racewalkersmovingatapaceofsixmilesperhourwouldburnabout800calories(卡路里)perhour,whichisapproximatelytwiceasmanyastheywouldburnwalking,althoughfewerthanrunning,whichwouldprobablyburnabout1,000ormorecaloriesperhour.However,racewalkingdoesnotpoundthebodyasmuchasrunningdoes,Dr.Norbergsays.Accordingtoherresearch,runnershitthegroundwithasmuchasfourtimestheirbodyweightperstep,whileracewalkers,whodonotleavetheground,createonlyabout1.4timestheirbodyweightwitheachstep.Asaresult,shesays,someoftheinjuriesassociatedwithrunning,suchasrunner’sknee,areuncommonamongracewalkers.Butthesport’sstrangeformdoesplaceconsiderablestressontheanklesandhips,sopeoplewithahistoryofsuchinjuriesmightwanttobecautiousinadoptingthesport.Infact,anyonewishingtotryracewalkingshouldprobablyfirstconsultacoachorexperiencedracertolearnpropertechnique,shesays.Ittakessomepractice.28.Whyareracewalkersconditionedathletes?A.Theymustrunlongdistances.B.Theyarequalifiedforthemarathon.C.Theyhavetofollowspecialrules.D.Theyaregoodatswingingtheirlegs.29.Whatadvantagedoesracewalkinghaveoverrunning?,优点英语A.It’smorepopularattheOlympics.B.It’slesschallengingphysically.C.It’smoreeffectiveinbodybuilding.D.It’slesslikelytocausekneeinjuries.30.WhatisDr.Norberg’ssuggestionforsomeonetryingracewalking?A.Gettingexperts’opinions.B.Havingamedicalcheckup.C.Hiringanexperiencedcoach.D.Doingregularexercises.31.Whichwordbestdescribestheauthor’sattitudetoracewalking?A.Skeptical.B.Objective.C.Tolerant.D.Conservative.3.（2020·新课标Ⅰ）DTheconnectionbetweenpeopleandplantshaslongbeenthesubjectofscientificresearch.Recentstudieshavefoundpositiveeffects.AstudyconductedinYoungstown，Ohio，forexample,discoveredthatgreenerareasofthecityexperiencedlesscrime.Inanother，employeeswereshowntobe15%moreproductivewhentheirworkplacesweredecoratedwithhouseplants.TheengineersattheMassachusettsInstituteofTechnology(MIT)havetakenitastepfurtherchangingtheactualcompositionofplantsinordertogetthemtoperformdiverse，evenunusualfunctions.Theseincludeplantsthathavesensorsprintedontotheirleavestoshowwhenthey’reshortofwaterandaplantthatcandetectharmfulchemicalsingroundwater.＂We’rethinkingabouthowwecanengineerplantstoreplacefunctionsofthethingsthatweuseeveryday,＂explainedMichaelStrano,aprofessorofchemicalengineeringatMIT.Oneofhislatestprojectshasbeentomakeplantsgrow(发光)inexperimentsusingsomecommonvegetables.Strano’steamfoundthattheycouldcreateafaintlightforthree-and-a-halfhours.Thelight，aboutone-thousandthoftheamountneededtoreadby，isjustastart.Thetechnology,Stranosaid,couldonedaybeusedtolighttheroomsoreventoturntreeintoself-poweredstreetlamps.inthefuture，theteamhopestodevelopaversionofthetechnologythatcanbesprayedontoplantleavesinaone-offtreatmentthatwouldlasttheplant’slifetime.Theengineersarealsotryingtodevelopanonandoff＂switch＂wheretheglowwouldfadewhenexposedtodaylight.,优点英语Lightingaccountsforabout7%ofthetotalelectricityconsumedintheUS.Sincelightingisoftenfarremovedfromthepowersource(电源)-suchasthedistancefromapowerplanttostreetlampsonaremotehighway-alotofenergyislostduringtransmission(传输).Glowingplantscouldreducethisdistanceandthereforehelpsaveenergy.32.Whatisthefirstparagraphmainlyabout?A.Anewstudyofdifferentplants.B.Abigfallincrimerates.C.Employeesfromvariousworkplaces.D.Benefitsfromgreenplants.33.WhatisthefunctionofthesensorsprintedonplantleavesbyMITengineer?A.Todetectplants’lackofwaterB.TochangecompositionsofplantsC.Tomakethelifeofplantslonger.D.Totestchemicalsinplants.34.Whatcanweexpectoftheglowingplantsinthefuture?A.Theywillspeedupenergyproduction.B.Theymaytransmitelectricitytothehome.C.Theymighthelpreduceenergyconsumption.D.Theycouldtaketheplaceofpowerplants.35.Whichofthefollowingcanbethebesttitleforthetext?A.Canwegrowmoreglowingplants?B.Howdowelivewithglowingplants?C.Couldglowingplantsreplacelamps?D.Howareglowingplantsmadepollution-free?4.（2020·新课标Ⅱ）BSomeparentswillbuyanyhigh-techtoyiftheythinkitwillhelptheirchild,butresearcherssaidpuzzleshelpchildrenwithmath-relatedskills.PsychologistSusanLevine,anexpertonmathematicsdevelopmentinyoungchildrentheUniversityofChicago,foundchildrenwhoplaywithpuzzlesbetweenages2and4laterdevelopbetterspatialskills.Puzzleplay,优点英语wasfoundtobeasignificantpredictorofcognition(认知)aftercontrollingfordifferencesinparents’income,educationandtheamountofparenttalk,Levinesaid.Theresearchersanalyzedvideorecordingsof53child-parentpairsduringeverydayactivitiesathomeandfoundchildrenwhoplaywithpuzzlesbetween26and46monthsofagehavebetterspatialskillswhenassessedat54monthsofage.“Thechildrenwhoplayedwithpuzzlesperformedbetterthanthosewhodidnot,ontasksthatassessedtheirabilitytorotate(旋转)andtranslateshapes,”Levinesaidinastatement.Theparentswereaskedtointeractwiththeirchildrenastheynormallywould,andabouthalfofchildreninthestudyplayedwithpuzzlesatonetime.Higher-incomeparentstendedtohavechildrenplaywithpuzzlesmorefrequently,andbothboysandgirlswhoplayedwithpuzzleshadbetterspatialskills.However,boystendedtoplaywithmorecomplexpuzzlesthangirls,andtheparentsofboysprovidedmorespatiallanguageandweremoreactiveduringpuzzleplaythanparentsofgirls.ThefindingswerepublishedinthejournalDevelopmentalScience.24.Inwhichaspectdochildrenbenefitfrompuzzleplay?A.Buildingconfidence.B.Developingspatialskills.C.Learningself-control.D.Gaininghigh-techknowledge.25.WhatdidLevinetakeintoconsiderationwhendesigningherexperiment？A.Parents’age.B.Children’simagination.C.Parents’education.D.Child-parentrelationship.26.Howdoboydifferfromgirlsinpuzzleplay?A.Theyplaywithpuzzlesmoreoften.B.Theytendtotalklessduringthegame.C.Theyprefertousemorespatiallanguage.D.Theyarelikelytoplaywithtougherpuzzles.27.Whatisthetextmainlyabout?A.Amathematicalmethod.B.Ascientificstudy.C.AwomanpsychologistD.Ateachingprogram.5.（2020·新课标Ⅱ）CWhenyouweretryingtofigureoutwhattobuyfortheenvironmentalistonyourholidaylist,furprobably,优点英语didn’tcrossyourmind.Butsomeecologistsandfashion(时装)enthusiastsaretryingtobringbackthemarketforfurmadefromnutria(海狸鼠).UnusualfashionshowsinNewOrleansandBrooklynhave(showcased)nutriafurmadeintoclothesindifferentstyles.“Itsoundscrazytotalkaboutguilt-freefur-unlessyouunderstandthatthenutriaaredestroyingvastwetlandseveryyear”,saysCreeMcCree,projectdirectorofRighteousFur.ScientistsinLouisianaweresoconcernedthattheydecidedtopayhunters$5atail.SomeofthefurendsupinthefashionshowsliketheoneinBrooklynlastmonth.NutriawerebroughttherefromArgentinabyfurfarmersandletgointothewild.“Theecosystemdowntherecan’thandlethisnon-nativespecies(物种).It’sdestroyingtheenvironment.It’sthemorus.”saysMichaelMassimi,anexpertinthisfield.Thefurtradekeptnutriacheckfordecades，butwhenthemarketfornutriacollapsedinthelate1980s，thecat-sizedanimalsmultipliedlikecrazy.BiologistEdmondMoutonrunsthenutriacontrolprogramforLouisiana.Hesaysit’snoteasytoconvincepeoplethatnutriafurisgreen,buthehasnodoubtaboutit.Huntersbringinmorethan300,000nutriatailsayear,sopartofMouton’sjobthesedaysistryingtopromotefur.Thenthere’sRighteousFuranditsunusualfashion.Morgansays，”Togivepeopleaguilt-freeoptionthattheycanwearwithoutsomeonethrowingpaintonthem-1thinkthat’sgoingtobeamassivething,atleasthereinNewYork.”DesignerJenniferAndersonadmitsittookherawhiletocomearoundtotheopinionthatusingnutriafurforhercreationsismorallyacceptable.Shetryingtocomeupwithalabletoattachtonutriafashionstoshowitiseco-friendly.28.WhatisthepurposeofthefashionshowsinNewOrleansandBrooklyn?A.Topromoteguilt-freefur.B.Toexpandthefashionmarket.C.Tointroduceanewbrand.D.Tocelebrateawinterholiday.29.Whyarescientistsconcernedaboutnutria?A.Nutriadamagetheecosystemseriously.B.Nutriaareanendangeredspecies.C.Nutriahurtlocalcat-sizedanimals.,优点英语D.Nutriaareillegallyhunted.30.Whatdoestheunderlinedword“collapsed”inparagraph5probablymean?A.Boomed.B.Becamemature.C.Remainedstable.D.Crashed.31.WhatcanweinferaboufwearingfurinNewYorkaccordingtoMorgan?A.It’sformal.B.It’srisky.C.It’sharmful.D.It’straditional.6.（2020·新课标Ⅲ）DWearetheproductsofevolution,andnotjustevolutionthatoccurredbillionsofyearsago.Asscientistslookdeeperintoourgenes(基因),theyarefindingexamplesofhumanevolutioninjustthepastfewthousandyears.PeopleinEthiopianhighlandshaveadaptedtolivingathighaltitudes.Cattle-raisingpeopleinEastAfricaandnorthernEuropehavegainedamutation(突变)thathelpsthemdigestmilkasadults.OnThursdayinanarticlepublishedinCell,ateamofresearchersreportedanewkindofadaptation-nottoairortofood,buttotheocean.Agroupofsea-dwellingpeopleinSoutheastAsiahaveevolvedintobetterdivers.TheBajau,asthesepeopleareknown,numberinthehundredsofthousandsinIndonesia,MalaysiaandthePhilippines.Theyhavetraditionallylivedonhouseboats;inrecenttimes,they’vealsobuilthousesonstilts(支柱)incoastalwaters.“Theyaresimplyastrangertotheland,”saidRedneyC.Jubilado,aUniversityofHawaiiresearcherwhostudiestheBajau.Dr.JubiladofirstmettheBajauwhilegrowinguponSamalIslandinthePhilippines.Theymadealivingasdivers,spearfishingorharvestingshellfish.“Weweresoamazedthattheycouldstayunderwatermuchlongerthanuslocalislanders,”Dr.Jubiladosaid.“Icouldseethemactuallywalkingunderthesea.”In201,MelissaIlardo,thenagraduatestudentingeneticsattheUniversityofCopenhagen,heardabouttheBajau.Shewonderedifcenturiesofdivingcouldhaveledtotheevolutionofphysicalcharacteristicsthatmadethetaskeasierforthem.“itseemedliketheperfectchancefornaturalselectiontoactonapopulation,”saidDr.Ilardo.ShealsosaidtherewerelikelyanumberofothergenesthathelptheBajaudive.32.Whatdoestheauthorwanttotellusbytheexamplesinparagraph1?A.Environmentaladaptationofcattleraisers.B.Newknowledgeofhumanevolution.C.Recentfindingsofhumanorigin.D.Significanceoffoodselection.33.WheredotheBajaubuildtheirhouses?A.Invalleys.B.Nearrivers.C.Onthebeach.D.Offthecoast.34.WhywastheyoungJubiladoastonishedattheBajau?,优点英语A.Theycouldwalkonstiltsallday.B.Theyhadasuperbwayoffishing.C.Theycouldstaylongunderwater.D.Theylivedonbothlandandwater.35.Whatcanbeasuitabletitleforthetext?A.BodiesRemodeledforaLifeatSeaB.Highlanders’SurvivalSkillsC.BasicMethodsofGeneticResearchD.TheWorld’sBestDivers7.（2020·江苏卷）BSometimesit’shardtoletgo.FormanyBritishpeople,thatcanapplytoinstitutionsandobjectsthatrepresenttheircountry’spast-age-oldcastles,splendidhomes…andredphoneboxes.Beatenfirstbythemarchoftechnologyandlatelybytheterribleweatherinjunkyards(废品场),thephoneboxesrepresentativeofanagearenowmakingsomethingofacomeback.Adaptedinimaginativeways,manyhavereappearedoncitystreetsandvillagegreenshousingtinycafes,cellphonerepairshopsorevendefibrillatormachines(除颤器).Theoriginalironboxeswiththeroundroofsfirstappearedin1926.TheyweredesignedbyGilesGilbertScott,thearchitectoftheBatterseaPowerStationinLondon.AfterbecominganimportantpartofmanyBritishstreets,thephoneboxesbegandisappearinginthe1980s,withtheriseofthemobilephonesendingmostofthemawaytothejunkyards.Aboutthattime,TonyInglis’engineeringandtransportcompanygotthejobtoremovephoneboxesfromthestreetsandsellthemout.ButInglisendedupbuyinghundredsofthemhimself,withtheideaofrepairingandsellingthem.Hesaidthathehadheardthecallstopreservetheboxesandhadseenhowsomeofthemwerelistedashistoricbuildings.AsInglisand,laterotherbusinessmen,gottowork,repurposedphoneboxesbeganreappearingincitiesandvillagesaspeoplefoundnewusesforthem.Today,theyareonceagainafamiliarsight,playingrolesthatareoftenjustasimportantforthecommunityastheiroriginalpurpose.Inruralareas,whereambulancescantakearelativelylongtimetoarrive,thephoneboxeshavetakenonalifesavingrole.Localorganizationscanadoptthemforlpound,andinstalldefibrillatorstohelpinemergencies.Othersalsolookedatthephoneboxesandsawbusinessopportunities.LoveFone,acompanythatadvocatesrepairingcellphonesratherthanabandoningthem,openedaminiworkshopinaLondonphoneboxin2016.Thetinyshopsmadeeconomicsense,accordingtoRobertKerr,afounderofLoveFone.Hesaidthatoneoftheboxesgeneratedaround$13,500inrevenueamonthandcostonlyabout$400torent.,优点英语Inglissaidphoneboxescalledtomindanagewhenthingswerebuilttolast.I“likewhattheyaretopeople,andIenjoybringingthingsback,”hesaid.58.Thephoneboxesaremakingacomeback______.A.toformabeautifulsightofthecityB.toimprovetelecommunicationsservicesC.toremindpeopleofahistoricalperiodD.tomeettherequirementofgreeneconomy59.Whydidthephoneboxesbegintogooutofserviceinthe1980s?A.Theywerenotwell-designed.B.Theyprovidedbadservices.C.Theyhadtooshortahistory.D.Theylosttonewtechnologies.60.Thephoneboxesarebecomingpopularmainlybecauseof______.A.theirnewappearanceandlowerpricesB.thepushofthelocalorganizationsC.theirchangedrolesandfunctionsD.thebigfundingofthebusinessmen8.（2020·江苏卷）CForthosewhocanstomachit,workingoutbeforebreakfastmaybemorebeneficialforhealththaneatingfirst,accordingtoastudyofmealtimingandphysicalactivity.Athletesandscientistshavelongknownthatmealtimingaffectsperformance.Howeverfarlesshasbeenknownabouthowmealtimingandexercisemightaffectgeneralhealth.Tofindout,Britishscientistsconductedastudy.Theyfirstfound10overweightandinactivebutotherwisehealthyyoungmen,whoselifestylesare,forbetterandworse,representativeofthoseofmostofus.Theytestedthemen’sfitnessandrestingmetabolic(新陈代谢的)ratesandtooksamples(样品)oftheirbloodandfattissue.Then,ontwoseparatemorningvisitstothescientists’lab,eachmanwalkedforanhouratanaveragespeedthat,intheoryshouldallowhisbodytorelymainlyonfatforfuel.Beforeoneoftheseworkouts,themenskippedbreakfast,meaningthattheyexercisedonacompletelyemptystomachafteralongovernightfast(禁食).Ontheotheroccasion,theyatearichmorningmealabouttwohoursbeforetheystartedwalking.Justbeforeandanhouraftereachworkout,thescientiststookadditionalsamplesofthemen’sbloodandfattissue.Thentheycomparedthesamples.Therewereconsiderabledifferences.Mostobviously,themendisplayedlowerbloodsugarlevelsatthestartoftheirworkoutswhentheyhadskippedbreakfastthanwhentheyhadeaten.,优点英语Asaresult,theyburnedmorefatduringwalksonanemptystomachthanwhentheyhadeatenfirst.Ontheotherhand,theyburnedslightlymorecalories(卡路里),onaverage,duringtheworkoutafterbreakfastthanafterfasting.Butitwastheeffectsdeepwithinthefatcellsthatmayhavebeenthemostsignificant,theresearchersfound.Multiplegenesbehaveddifferently,dependingonwhethersomeonehadeatenornotbeforewalking.Manyofthesegenesproduceproteins(蛋白质)thatcanimprovebloodsugarregulationandinsulin(胰岛素)levelsthroughoutthebodyandsoareassociatedwithimprovedmetabolichealth.Thesegenesweremuchmoreactivewhenthemenhadfastedbeforeexercisethanwhentheyhadbreakfasted.Theimplicationoftheseresultsisthattogainthegreatesthealthbenefitsfromexercise,itmaybewisetoskipeatingfirst.61.Theunderlinedexpression“stomachit”inParagraph1mostprobablymeans“______”.A.digestthemealeasilyB.managewithoutbreakfastC.decidewiselywhattoeatD.eatwhateverisoffered62.Whywerethe10peoplechosenfortheexperiment?A.Theirlifestylesweretypicalofordinarypeople.B.Theirlackofexerciseledtooverweight.C.Theycouldwalkatanaveragespeed.D.Theyhadslowmetabolicrates.63.Whathappenedtothosewhoatebreakfastbeforeexercise?A.Theysuccessfullylostweight.B.Theyconsumedabitmorecalories.C.Theyburnedmorefatonaverage.D.Theydisplayedhigherinsulinlevels.64.Whatcouldbelearnedfromtheresearch?A.Aworkoutafterbreakfastimprovesgeneperformances.B.Toomuchworkoutoftenslowsmetabolicrates.C.Lifestyleisnotasimportantasmorningexercise.D.Physicalexercisebeforebreakfastisbetterforhealth.9.（2020·山东卷）DAccordingtoarecentstudyintheJournalofConsumerResearch,boththesizeandconsumptionhabitsofour,优点英语eatingcompanionscaninfluenceourfoodintake.Andcontrarytoexistingresearchthatsaysyoushouldavoideatingwithheavierpeoplewhoorderlargeportions(份),it'sthebeanpoleswithbigappetitesyoureallyneedtoavoid.Totesttheeffectofsocialinfluenceoneatinghabitstheresearchersconductedtwoexperiments.Inthefirst,95undergraduatewomenwereindividuallyinvitedintoalabtoostensibly(表面上)participateinastudyaboutmovieviewership.Beforethefilmbegan,eachwomanwasaskedtohelpherselftoasnack.Anactorhiredbytheresearchersgrabbedherfoodfirst.Inhernaturalstate,theactorweighed105pounds.Butinhalfthecasessheworeaspeciallydesignedfatsuitwhichincreasedherweightto180pounds.Boththefatandthinversionsoftheactortookalargeamountoffood.Theparticipantsfollowedsuit,takingmorefoodthantheynormallywouldhave.However,theytooksignificantlymorewhentheactorwasthin.Forthesecondtest,inonecasethethinactortooktwopiecesofcandyfromthesnackbowls.Intheothercase,shetook30pieces.Theresultsweresimilartothefirsttest:theparticipantsfollowedsuitbuttooksignificantlymorecandywhenthethinactortook30pieces.Thetestsshowthatthesocialenvironmentisextremelyinfluentialwhenwe'remakingdecisions.Ifthisfellowparticipantisgoingtoeatmore,sowillI.Callitthe“I’llhavewhatshe'shaving”effect.However,we'lladjusttheinfluence.Ifanoverweightpersonishavingalargeportion,I'llholdbackabitbecauseIseetheresultsofhiseatinghabits.Butifathinpersoneatsalot,I'llfollowsuit.Ifhecaneatmuchandkeepslim,whycan'tI?12.Whatistherecentstudymainlyabout?A.Foodsafety.B.Movieviewership.C.Consumerdemand.D.Eatingbehavior.13.Whatdoestheunderlinedword“beanpoles”inparagraph1referto?A.Bigeaters.B.Overweightpersons.C.Pickyeaters.D.Tallthinpersons.14.Whydidtheresearchershiretheactor?A.Toseehowshewouldaffecttheparticipants.B.Totestiftheparticipantscouldrecognizeher.C.Tofindoutwhatshewoulddointhetwotests.D.Tostudywhyshecouldkeepherweightdown.15.Onwhatbasisdowe“adjusttheinfluence”accordingtothelastparagraph?,优点英语A.Howhungryweare.B.Howslimwewanttobe.C.Howweperceiveothers.D.Howwefeelaboutthefood.10.（2020·天津卷）AHowtoUseaModernPublicLibraryHasitbeenawhilesinceyourlastvisittoapubliclibrary?Ifso,youmaybesurprisedtolearnthatlibrarieshavechangedforthebetter.It’sbeenyearssincetheyweredustylittleroomswithbooks.Theyhavetransformedthemselvesintoplaceswhereyoucandevelopyourloveofknowledgemeetinterestingpeople,orfindouthowtostartabusiness.Checkoutabook.Whilelibrariesstillloanout(出借)books,you’llfinditeasiertogetacopyofwhateveryou’relookingfor,thankstoacooperativenetworkofarealibraries.Viasuchnetworks,librariessharetheirbookswitheachotherthroughtheuseofdeliveryvehicles.Oncethebookyou’verequestedisdeliveredtothenearestbranch,theywillinformyoubye-mail,soyoucanpickitup.Checkoutotheritems.Thelibraryisnowamultimediazone,loadedwithinformationinmanyformats(载体形式).YoucanborrowmoviesonDVDs,musiconCDs,andpopularmagazines.Somelibrariesevenloanouttoysandgames.Ifapopularmagazineyouwantisn’tofferedandthelibrarykeepsalistofsuchrequests,theymaybringitinwhenenoughinterestisshown.Jointargetedreadinggroups.Librarieswilloftenholdreading-groupsessionstargetedtovariousagegroups.Perhapsyou’dliketolearnalanguageorimproveyourEnglish.Thelibrarymaysponsoralanguagegroupyoucouldjoin.Ifyouhavedifficultiesreading,askaboutspecialreadingopportunities.Yourlibrarymightbeabletoaccommodateyou.Andyoumightfinditrelaxingtobringyoursmallkidtoahalf-hourStoryTimewhileyousitquietlyinacornerwithagoodbook.Startabusinessusingthehelpofyourlocallibrary.Ifyouwanttohaveabusinessofyourown,yourlocallibrarycanbecomealaunchspaceforit.Inlibrarybooksandcomputers,youcanfindinformationonstartingabusiness.Manylibrarieswillhelpyouwithlocallysuppliedinformationaboutbusinessmanagementsharedthroughchambersofcommerce(商会)andgovernmentagencies,andtheywillofferprinting,faxinganddatabaseservicesyouneed.36.Publiclibrariesconnectedbyacooperativenetworkbenefitreadersby______.A.sharingtheirbooksontheInternetB.givingaccesstoonlinereadingatalibrarybranch,优点英语C.sendinganeededbooktoalibrarybranchnearbyD.makingthecheckoutproceduresdiverse37.AccordingtoParagraph3,whatitemsmaybecheckedoutfromapubliclibrary?A.Amagazineandane-book.B.Agameandanoilpainting.C.AmusicCDandakid’stoy.D.ADVDandavideoplayer38.AsisdescribedinParagraph4,takingasmallkidtoahalf-hourStoryTimeallows______.A.thekidtolearnanewlanguageB.theparenttoenjoyquietreadingC.thekidtoovercomereadingdifficultiesD.theparenttomeettheirprogramsponsor39.Yourlocallibrarycanhelpyoustartabusinessby______.A.providingrelevantinformationandsupportingservicesB.offeringprofessionaladviceonbusinessmanagementC.supplyingusefulinformationofyourpotentialbuyersD.arrangingmeetingswithgovernmentofficials40.Whatisthepurposeofthepassage?A.Topointouttheimportanceofpubliclibraries.B.Toencouragepeopletoworkinpubliclibraries.C.Tointroducetheimprovedservicesofpubliclibraries.D.Tocallforthemodernizationofpubliclibrarysystems.11.（2020·天津卷）CForpeople,whoareinterestedinsound,thefieldofsoundtechnologyisdefinitelymakingnoise.Inthepast,soundengineersworkedinthebackroomsofrecordingstudios,butmanyoftoday’ssoundprofessionalsaresharingtheirknowledgeandexperiencewithprofessionalsinotherfieldstocreatenewproductsbasedonthephenomenonwecallsound.Soundcanbeusedasaweapon.Imaginethatapoliceofficerischasingathief.Thethieftriestoescape.Andtheofficercan’tlethimgetaway.Hepullsoutaspecialdevice,pointsitatthesuspect,andswitchesiton.The,优点英语thiefdropstotheground.ThisnewweaponiscalledaLongRangeAcousticDevice(LRAD,远程定向声波发射器).Itproducesadeafeningsoundsopainfulthatittemporarilydisablesaperson.ThenoisefromtheLRADisdirectedlikearayoflightandtravelsonlyintotheearsofthatperson,butitisnotdeadly.Forthosewhohungerforsomepeaceandquiet,soundcannowcreatesilence.Let’ssayyouareattheairport,andthelittleboyontheseatnexttoyouishumming(哼唱)ashortcommercialsong.Hehumsitoverandoveragain,andyouareabouttogocrazy.ThankstotheSilenceMachine,aBritishinvention,youcangetridofthesoundwithoutupsettingtheboyorhisparents.OnemaywonderhowtheSilenceMachineworks.Well,itfunctionsbyanalyzingthewavesoftheincomingsoundandcreatingasecondsetofoutgoingwaves.Thetwosetsofwavescanceleachotherout.Simplyturnthemachineorpointitatthetarget,andyourpeaceandquietcomesback.Directedsoundisanewtechnologythatallowscompaniestousesoundinmuchthesamewayspotlights(聚光灯)areusedinthetheater.Aspotlightlightsuponlyonesectionofastage;similarly,“spotsound”createsacircleofsoundinontargetedarea.Thiscanbeusefulforbusinessessuchasrestaurantsandstoresbecauseitoffersanewwaytoattractcustomers.Restaurantscanofferachoiceofmusicalongwiththevariousfoodchoicesonthemenu,allowingcustomersmorecontrolovertheatmosphereinwhichtheyaredining.Directedsoundisalsobeginningtoappearinshoppingcentersandevenathomes.46.WhatcouldbeinferredfromParagraph2abouttheeffectoftheLRAD?A.Itcausestemporaryhearingloss.B.Itslowsdownarunningman.C.Itmakesiteasytoidentifyasuspect.D.Itkeepsthesuspectfromhurtingothers.47.TheSilenceMachineisadevicespeciallydesignedto________.A.silencethepeoplearoundyouB.removethesoundofcommercialsC.blocktheincomingsoundwavesD.stopunwantedsoundfromaffectingyou48.Whatfeaturedospotsoundsandspotlightsshare?A.Theytravelincircles.B.Theycleartheatmosphere.C.Theycanbetransformedintoenergy.,优点英语D.Theycanbedirectedontoaspecificarea.49.Directedsoundcanbeusedfor________.A.creativedesignsofrestaurantmenusB.idealsoundeffectsonthetheaterstageC.differentchoicesofmusicforbusinessesD.strictcontroloveranysuspiciouscustomer50.Whatdoesthepassagefocuson?A.Howprofessionalsinventedsoundproducts.B.Inventionsinthefieldofsoundtechnology.C.Thegrowinginterestinthestudyofsound.D.Howsoundengineersworkintheirstudios.12.（2020·浙江卷）AIamanactiveplaygoerandplay-reader,andperhapsmybestreasonforeditingthisbookisahopeofsharingmyenthusiasmforthetheaterwithothers.TodothisIhavesearchedthroughdozensofplaystofindtheonesthatIthinkbestshowthepowerandpurposeoftheshortplay.Eachplayhasathemeorcentralideawhichtheplaywright(剧作家)hopestogetacrossthroughdialogueandaction.Afewcharactersareusedtocreateasingleimpressiongrowingoutofthetheme.Itisnotmyintentiontopointoutthecentralthemeofeachoftheplaysinthiscollection,forthatwould,indeed,ruinthepleasureofreading,discussing,andthinkingabouttheplaysandtheeffectivenessoftheplaywright.However,avarietyoftypesisrepresentedhere.Theseincludecomedy,satire,poignantdrama,historicalandregionaldrama.Toshowtheversatility(多面性)oftheshortplay,Ihaveincludedaguidanceplay,aradioplayandatelevisionplay.Amongthewritersoftheplaysinthiscollection,PaulGreen,SusanGlaspell,MaxwellAnderson,ThorntonWilder,WilliamSaroyan,andTennesseeWilliamshaveallreceivedPulitzerPrizesfortheircontributionstothetheater.Moreinformationabouttheplaywrightswillbefoundattheendofthisbook.Togetthemostoutofreadingtheseplays,trytopicturetheplayonstage,withyou,thereader,intheaudience.Thehouselightsdim(变暗).Thecurtainsareabouttoopen,andinafewminutestheactionanddialoguewilltellyouthestory.21.Whatdoweknowabouttheauthorfromthefirstparagraph?A.Hehaswrittendozensofplays.B.Hehasadeeploveforthetheater.,优点英语C.Heisaprofessionalstageactor.D.Helikesreadingshortplaystoothers.22.Whatdoestheauthoravoiddoinginhiswork?A.Statingtheplays’centralideas.B.Selectingworksbyfamousplaywrights.CIncludingvarioustypesofplays.D.Offeringinformationontheplaywrights.23.Whatdoestheauthorsuggestreadersdowhilereadingtheplays?A.Controltheirfeelings.B.Applytheiractingskills.C.Usetheirimagination.D.Keeptheiraudienceinmind.24.Whatisthistext?A.Ashortstory.B.Anintroductiontoabook.CAplayreview.D.Anadvertisementforatheater.13.（2020·浙江卷）BThetrafficsignalsalongFactoriaBoulevardinBellevue,Washington,generallydon'tflashthesamelengthofgreentwiceinarow,especiallyatrushhour.At9:30am,thefullred/yellow/greensignalcyclemightbe140seconds.By9:33am,aburstofadditionaltrafficmightpushitto145seconds.Lesstrafficat9:37amcouldpushitdownto135.Justlikethetrafficitself,thetimingofthesignalschanges.Thatisbydesign.Bellevue,afast-growingcityjusteastofSeattle,usesasystemthatisgainingpopularityaroundtheUS:intersection(十字路口)signalsthatcanadjustinrealtimetotrafficconditions.Theselights,knownasadaptivesignals,haveledtosignificantdeclinesinboththetroubleandcostoftravelsbetweenworkandhome.“Adaptivesignalscanmakesurethatthetrafficdemandthatisthereisbeingaddressed,”saysAlexStevanovic,aresearcheratFloridaAtlanticUniversity.ForallofBellevue’ssuccess,adaptivesignalsarenotacure-allforjammedroadways.KevinBalke,aresearchengineerattheTexasA&MUniversityTransportationInstitute,saysthatwhilesmartlightscanbeparticularlybeneficialforsomecities,othersaresojammedthatonlyasharpreductioninthenumberofcarsontheroadwillmakeameaningfuldifference.“It’snotgoingtofixeverything,butadaptivesignalshavesomebenefitsforsmallercities,”hesays.InBellevue,theswitchtoadaptivesignalshasbeenalessoninthevalueofwelcomingnewapproaches.Inthepast,therewasoftenanautomaticreactiontoincreasedtraffic:justwidentheroads,saysMarkPoch,theBellevueTransportationDepartment’strafficengineeringmanager.Nowhehopesthatothercitieswillconsidermakingtheir,优点英语streetsrunsmarterinsteadofjustmakingthembigger.25.Whatdoestheunderlinedword“that”inparagraph2referto?A.Increasedlengthofgreenlights.B.Shortenedtrafficsignalcycle.C.Flexibletimingoftrafficsignals.D.Smoothtrafficflowontheroad.26.WhatdoesKevinBalkesayaboutadaptivesignals?A.Theyworkbetteronbroadroads.B.Theyshouldbeusedinothercities.C.Theyhavegreatlyreducedtrafficontheroad.D.Theyarelesshelpfulincitiesseriouslyjammed.27.WhatcanwelearnfromBellevue’ssuccess?A.Itisrewardingtotrynewthings.B.Theoldmethodsstillworktoday.C.Ipaystoputtheoryintopractice.D.Thesimplestwayisthebestway.14.（2020·浙江卷）CChallengingworkthatrequireslotsofanalyticalthinking,planningandothermanagerialskillsmighthelpyourbrainstaysharpasyouage,astudypublishedWednesdayinthejournalNeurologysuggests.ResearchersfromtheUniversityofLeipziginGermanygatheredmorethan1,000retiredworkerswhowereoverage75andassessedthevolunteers’memoryandthinkingskillsthroughabatteryoftests.Then,foreightyears,thescientistsaskedthesamegrouptocomebacktothelabevery18monthstotakethesamesortsoftests.Thosewhohadheldmentallystimulating(刺激),demandingjobsbeforeretirementtendedtodothebestonthetests.Andtheytendedtolosecognitive(认知)functionatamuchslowerratethanthosewiththeleastmentallychallengingjobs.Theresultsheldtrueevenafterthescientistsaccountedfortheparticipants’overallhealthstatus.“Thisworksjustlikephysicalexercise,”saysFranciscaThen,wholedthestudy.“Afteralongrun,youmayfeellikeyou’reinpain,youmayfeeltired.Butitmakesyoufit.Afteralongdayatwork-sure,youwillfeeltired,butitcanhelpyourbrainstayhealthy.”It'snotjustcorporatejobs,orevenpaidworkthatcanhelpkeepyourbrainfit,Thenpointsout.Awaiter’sjob,forexample,thatrequiresmultitasking,teamworkanddecision-makingcouldbejustasstimulatingasanyhigh-levelofficework.And“runningafamilyhouseholdrequireshigh-levelplanningandcoordinating(协调),”shesays.“Youhavetoorganizetheactivitiesofthechildrenandtakecareofthebillsandgroceries.”Ofcourse,ourbrainscandeclineaswegrowolderforlotsofreasons-includingotherenvironmental,优点英语influencesorgeneticfactors.Still,continuingtochallengeyourselfmentallyandkeepingyourmindbusycanonlyhelp.28.Whydidthescientistsaskthevolunteerstotakethetests?A.Toassesstheirhealthstatus.B.Toevaluatetheirworkhabits.C.Toanalyzetheirpersonality.D.Tomeasuretheirmentalability.29.HowdoesFranciscaThenexplainherfindingsinparagraph4?A.Byusinganexpert’swords.B.Bymakingacomparison.C.Byreferringtoanotherstudy.D.Byintroducingaconcept.30.Whichofthefollowingisthebesttitleforthetext?A.RetiredWorkersCanPickUpNewSkillsB.OldPeopleShouldTakeChallengingJobsC.YourToughJobMightHelpKeepYouSharpD.CognitiveFunctionMayDeclineAsYouAge【2019年】1.【2019·全国卷I，C】Asdataandidentitytheftbecomesmoreandmorecommon,themarketisgrowingforbiometric(生物测量)technologies—likefingerprintscans—tokeepothersoutofprivatee-spaces.Atpresent,thesetechnologiesarestillexpensive,though.ResearchersfromGeorgiaTechsaythattheyhavecomeupwithalow-costdevice(装置)thatgetsaroundthisproblem:asmartkeyboard.Thissmartkeyboardpreciselymeasuresthecadence(节奏)withwhichonetypesandthepressurefingersapplytoeachkey.Thekeyboardcouldofferastronglayerofsecuritybyanalyzingthingsliketheforceofauser'stypingandthetimebetweenkeypresses.Thesepatternsareuniquetoeachperson.Thus,thekeyboardcandeterminepeople'sidentities,andbyextension,whethertheyshouldbegivenaccesstothecomputerit'sconnectedto—regardlessofwhethersomeonegetsthepasswordright.Italsodoesn'trequireanewtypeoftechnologythatpeoplearen'talreadyfamiliarwith.Everybodyusesakeyboardandeverybodytypesdifferently.Inastudydescribingthetechnology,theresearchershad100volunteerstypetheword“touch”fourtimesusingthesmartkeyboard.Datacollectedfromthedevicecouldbeusedtorecognizedifferentparticipantsbasedonhowtheytyped,withverylowerrorrates.Theresearcherssaythatthekeyboardshouldbeprettystraightforwardto,优点英语commercializeandismostlymadeofinexpensive,plastic-likeparts.Theteamhopestomakeittomarketinthenearfuture.28.Whydotheresearchersdevelopthesmartkeyboard?A.Toreducepressureonkeys.B.ToimproveaccuracyintypingC.Toreplacethepasswordsystem.D.Tocutthecostofe-spaceprotection.29.Whatmakestheinventionofthesmartkeyboardpossible？A.Computersaremucheasiertooperate.B.Fingerprintscanningtechniquesdevelopfast.C.Typingpatternsvaryfrompersontoperson.D.Datasecuritymeasuresareguaranteed.30.Whatdotheresearchersexpectofthesmartkeyboard？all1osoisgitieocooll.A.It'llbeenvironment-friendly.B.It'llreachconsumerssoon.C.It'llbemadeofplastics.D.It'llhelpspeeduptyping.31.Whereisthistextmostlikelyfrom?A.Adiary.B.AguidebookC.Anovel.D.Amagazine.2.【2019·全国卷I，D】Duringtherosyyearsofelementaryschool(小学),Ienjoyedsharingmydollsandjokes,whichallowedmetokeepmyhighsocialstatus.Iwasthequeenoftheplayground.Thencamemytweensandteens,andmeangirlsandcoolkids.Theyroseintheranksnotbybeingfriendlybutbysmokingcigarettes,breakingrulesandplayingjokesonothers,amongwhomIsoonfoundmyself.Popularityisawell-exploredsubjectinsocialpsychology.MitchPrinstein,aprofessorofclinicalpsychologysortsthepopularintotwocategories:thelikableandthestatusseekers.Thelikables’plays-well-with-othersqualitiesstrengthenschoolyardfriendships,jump-startinterpersonalskillsand,whentappedearly,areemployedeverafterinlifeandwork.Thenthere’sthekindofpopularitythatappearsinadolescence:statusbornofpowerandevendishonorablebehavior.Enviableasthecoolkidsmayhaveseemed,Dr.Prinstein’sstudiesshowunpleasantconsequences.Thosewhowerehighestinstatusinhighschool,aswellasthoseleastlikedinelementaryschool,are“mostlikelytoengage(从事)indangerousandriskybehavior.”Inonestudy,Dr.Prinsteinexaminedthetwotypesofpopularityin235adolescents,scoringtheleastliked,the,优点英语mostlikedandthehighestinstatusbasedonstudentsurveys(调查研究).“Wefoundthattheleastwell-likedteenshadbecomemoreaggressiveovertimetowardtheirclassmates.Butsohadthosewhowerehighinstatus.Itclearlyshowedthatwhilelikabilitycanleadtohealthyadjustment,highstatushasjusttheoppositeeffectonus."Dr.Prinsteinhasalsofoundthatthequalitiesthatmadetheneighborswantyouonaplaydate-sharing,kindness,openness—carryovertolateryearsandmakeyoubetterabletorelateandconnectwithothers.Inanalyzinghisandotherresearch，Dr.Prinsteincametoanotherconclusion:Notonlyislikabilityrelatedtopositivelifeoutcomes,butitisalsoresponsibleforthoseoutcomes,too."Beinglikedcreatesopportunitiesforlearningandfornewkindsoflifeexperiencesthathelpsomebodygainanadvantage,”hesaid.32.Whatsortofgirlwastheauthorinherearlyyearsofelementaryschool?A.Unkind.B.Lonely.C.Generous.D.Cool.33.Whatisthesecondparagraphmainlyabout？A.Theclassificationofthepopular.B.Thecharacteristicsofadolescents.C.Theimportanceofinterpersonalskills.D.Thecausesofdishonorablebehavior34.WhatdidDr.Prinstein’sstudyfindaboutthemostlikedkids?A.Theyappearedtobeaggressive.B.Theytendedtobemoreadaptable.C.Theyenjoyedthehigheststatus.D.Theyperformedwellacademically.35.Whatisthebesttitleforthetext?A.BeNice-YouWon’tFinishLastB.TheHighertheStatus,theBeerC.BetheBest-YouCanMakeItD.MoreSelf-Control,LessAggressiveness4.【2019·全国卷II，D】Bacteriaareanannoyingproblemforastronauts.Themicroorganisms(微生物)fromourbodiesgrowuncontrollablyonsurfacesoftheInternationalSpaceStation,soastronautsspendhourscleaningthemupeachweek.HowisNASAovercomingthisverytinybigproblem?It’sturningtoabunchofhighschoolkids.Butnot,优点英语justanykids.ItdependingonNASAHUNCHhighschoolclass,liketheonescienceteachersGeneGordonandDonnaHimmelbergleadatFairportHighSchoolinFairport,NewYork.HUNCHisdesignedtoconnecthighschoolclassroomswithNASAengineers.Forthepasttwoyears,Gordon’sstudentshavebeenstudyingwaystokillbacteriainzerogravity,andtheythinkthey’reclosetoasolution(解决方案).“Wedon’tgivethestudentsanybreaks.TheyhavetodoitjustlikeNASAengineers,”saysFlorenceGold,aprojectmanager.“Therearenotests,”Gordonsays.“Thereisnogradedhomework.Therealmostarenogrades,otherthan‘Areyouworkingtowardsyourgoal?’Basically,it’s‘I’vegottoproducethisproductandthen,attheendofyear,presentittoNASA.’Engineerscomeandreallydoanin-personreview,and…it’snotaverynicethingattime.It’sahardbusinessreviewofyourproduct.”GordonsaystheHUNCHprogramhasanimpact(影响)oncollegeadmissionsandpracticallifeskills.“ThesekidsaresoabsorbedintheirstudiesthatIjustsitback.Idon’tteach.”Andthatannoyingbacteria?GordonsayshisstudentsareemailingdailywithNASAengineersabouttheproblem,readyingaworkablesolutiontotestinspace.32.WhatdoweknowaboutthebacteriaintheInternationalSpaceStation?A.Theyarehardtogetridof.B.Theyleadtoairpollution.C.Theyappeardifferentforms.D.Theydamagetheinstruments.33.WhatisthepurposeoftheHUNCHprogram?A.Tostrengthenteacher-studentrelationships.B.Tosharpenstudents’communicationskills.C.Toallowstudentstoexperiencezerogravity.D.Tolinkspacetechnologywithschooleducation34.WhatdotheNASAengineersdoforthestudentsintheprogram?A.Checktheirproduct.B.GuideprojectdesignsC.Adjustworkschedules.D.Gradetheirhomework.35.Whatisthebesttitleforthetext?A.NASA:TheHomeofAstronauts.B.Space:TheFinalHomeworkFrontier.C.Nature:AnOutdoorClassroom.D.HUNCH:ACollegeAdmissionReform.3.【2019·全国卷III，C】Beforethe1830smostnewspapersweresoldthroughannualsubscriptionsinAmerica,usually$8to$10a,优点英语year.Today$8or$10seemsasmallamountofmoney,butatthattimetheseamountswereforbiddingtomostcitizens.Accordingly,newspaperswerereadalmostonlybyrichpeopleinpoliticsorthetrades.Inaddition,mostnewspapershadlittleinthemthatwouldappealtoamassaudience.Theyweredullandvisuallyforbidding.Buttherevolutionthatwastakingplaceinthe1830swouldchangeallthat.Thetrend,then,wastowardthe"pennypaper"-atermreferringtopapersmadewidelyavailabletothepublic.Itmeantanyinexpensivenewspaper;perhapsmoreimportantlyitmeantnewspapersthatcouldbeboughtinsinglecopiesonthestreet.Thisdevelopmentdidnottakeplaceovernight.Ithadbeenpossible(butnoteasy)tobuysinglecopiesofnewspapersbefore1830,butthisusuallymeantthereaderhadtogodowntotheprinter'sofficetopurchaseacopy.Streetsaleswerealmostunknown.However,withinafewyears,streetsalesofnewspaperswouldbecommonplaceineasterncities.Atfirstthepriceofsinglecopieswasseldomapenny-usuallytwoorthreecentswascharged-andsomeoftheolderwell-knownpaperschargedfiveorsixcents.Butthephrase"pennypaper"caughtthepublic'sfancy,andsoontherewouldbepapersthatdidindeedsellforonlyapenny.Thisnewtrendofnewspapersfor"themanonthestreet"didnotbeginwell.Someoftheearlyventures(企业)wereimmediatefailures.Publishersalreadyinbusiness,peoplewhowereownersofsuccessfulpapers,hadlittledesiretochangethetradition.Ittookafewyouthfulanddaringbusinessmentogettheballrolling.28.WhichofthefollowingbestdescribesnewspapersinAmericabeforethe1830s?A.Academic.B.Unattractive.C.Inexpensive.D.Confidential.29.Whatdidstreetsalesmeantonewspapers?A.Theywouldbepricedhigher.B.Theywoulddisappearfromcities.C.Theycouldhavemorereaders.D.Theycouldregainpublictrust.30.Whowerethenewspapersofthenewtrendtargetedat?A.Localpoliticians.B.Commonpeople.C.Youngpublishers.D.Richbusinessmen.31.Whatcanwesayaboutthebirthofthepennypaper?A.Itwasadifficultprocess.B.Itwasatemporarysuccess.C.Itwasarobberyofthepoor.D.Itwasadisasterforprinters.5.【2019·全国卷III，D】Monkeysseemtohaveawaywithnumbers.,优点英语AteamofresearcherstrainedthreeRhesusmonkeystoassociate26clearlydifferentsymbolsconsistingofnumbersandselectiveletterswith0-25dropsofwaterorjuiceasareward.Theresearchersthentestedhowthemonkeyscombined—oradded—thesymbolstogetthereward.Here'showHarvardMedicalSchoolscientistMargaretLivingstone,wholedtheteam,describedtheexperiment:Intheircagesthemonkeyswereprovidedwithtouchscreens.Ononepartofthescreen,asymbolwouldappear,andontheothersidetwosymbolsinsideacirclewereshown.Forexample,thenumber7wouldflashononesideofthescreenandtheotherendwouldhave9and8.Ifthemonkeystouchedtheleftsideofthescreentheywouldberewardedwithsevendropsofwaterorjuice;iftheywentforthecircle,theywouldberewardedwiththesumofthenumbers—17inthisexample.Afterrunninghundredsoftests,theresearchersnotedthatthemonkeyswouldgoforthehighervaluesmorethanhalfthetime,indicatingthattheywereperformingacalculation,notjustmemorizingthevalueofeachcombination.Whentheteamexaminedtheresultsoftheexperimentmoreclosely,theynoticedthatthemonkeystendedtounderestimate(低估)asumcomparedwithasinglesymbolwhenthetwowerecloseinvalue—sometimeschoosing,forexample,a13overthesumof8and6.Theunderestimationwassystematic:Whenaddingtwonumbers,themonkeysalwayspaidattentiontothelargerofthetwo,andthenaddedonlyafraction(小部分)ofthesmallernumbertoit."Thisindicatesthatthereisacertainwayquantityisrepresentedintheirbrains,"Dr.Livingstonesays.“Butinthisexperimentwhatthey'redoingispayingmoreattentiontothebignumberthanthelittleone.”32.Whatdidtheresearchersdotothemonkeysbeforetestingthem?A.Theyfedthem.B.Theynamedthem.C.Theytrainedthem.D.Theymeasuredthem.33.Howdidthemonkeysgettheirrewardintheexperiment?A.Bydrawingacircle.B.Bytouchingascreen.C.Bywatchingvideos.D.Bymixingtwodrinks.34.WhatdidLivingstone'steamfindaboutthemonkeys?A.Theycouldperformbasicaddition.B.Theycouldunderstandsimplewords.C.Theycouldmemorizenumberseasily.D.Theycouldholdtheirattentionforlong.35.Inwhichsectionofanewspapermaythistextappear?,优点英语A.Entertainment.B.Health.C.Education.D.Science.6.【2019·北京卷，C】Theproblemofrobocallshasgottensobadthatmanypeoplenowrefusetopickupcallsfromnumberstheydon'tknow.Bynextyear，halfofthecallswereceivewillbescams(欺诈).Wearefinallywakinguptotheseverityoftheproblembysupportinganddevelopingagroupoftools，appsandapproachesintendedtopreventscammersfromgettingthrough.Unfortunately，it'stoolittle，toolate.Bythetimethese“solutions"(解决方案)becomewidelyavailable，scammerswillhavemovedontocleverermeans.Inthenearfuture，it'snotjustgoingtobethenumberyouseeonyourscreenthatwillbeindoubt.Soonyouwillalsoquestionwhetherthevoiceyou'rehearingisactuallyreal.That'sbecausethereareanumberofpowerfulvoicemanipulation(处理)andautomationtechnologiesthatareabouttobecomewidelyavailableforanyonetouse.Atthisyear'sI/OConference,acompanyshowedanewvoicetechnologyabletoproducesuchaconvincinghuman–soundingvoicethatitwasabletospeaktoareceptionistandbookareservationwithoutdetection.Thesedevelopmentsarelikelytomakeourcurrentproblemswithrobocallsmuchworse.ThereasonthatrobocallsareaheadachehaslesstodowithamountthanprecisionAdecadeofdatabreaches(数据侵入)ofpersonalinformationhasledtoasituationwherescammerscaneasilylearnyourmother'sname，andfarmore.Armedwiththisknowledge.they'reabletocarryoutindividuallytargetedcampaignstocheatpeople.Thismeans.forexample，thatascammercouldcallyoufromwhatlookstobeafamiliarnumberandtalktoyouusingavoicethatsoundsexactlylikeyourbankteller's，rickingyouinto"confirming"youraddress，mother'sname，andcardnumber.Scammersfollowmoney，socompanieswillbetheworsthit.Alotofbusinessisstilldoneoverthephone，andmuchofitisbasedontrustandexistingrelationships.Voicemanipulationtechnologiesmayweakenthatgradually.Weneedtodealwiththeinsecurenatureofourtelecomnetworks.Phonecarriersandconsumersneedtoworktogethertofindwaysofdeterminingandcommunicatingwhatisreal.Thatmightmeaneitherdevelopingauniformwaytomarkvideosandimages,showingwhenandwhotheyweremadeby.orabandoningphonecallsaltogetherandmovingtowardsdata-basedcommunications—usingappslikeFaceTimeorWhatsApp,whichcanbetiedtoyouridentity.Credibilityishardtoearnbuteasytolose,andtheproblemisonlygoingtoharderfromhereonout.38.Howdoestheauthorfeelaboutthesolutionstoproblemofrobecalls?,优点英语A.Panicked.B.Confused.C.Embarrassed.D.Disappointed.39.takingadvantageofthenewtechnologies，scammercan______.A.aimatvictimspreciselyB.damagedatabaseseasilyC.startcampaignsrapidlyD.spreadinformationwidely40.Whatdoesthepassageimply?A.Honestyisthebestpolicy.B.Technologiescanbedouble-edited.C.Therearemoresolutionsthanproblems.D.Credibilityholdsthekeytodevelopment.41.Whichofthefollowingwouldbethebesttitleforthepassage?A.WheretheProblemofRobocallsIsRootedB.WhoIstoBlamefortheProblemofRoboeallsC.WhyRobocallsAreAbouttoGetMoreDangerousD.HowRobocallsAreAffectingtheWorldofTechnology7.【2019·北京卷，D】Bytheendofthecentury，ifnotsooner，theworld'soceanswillbebluerandgreenerthankstoawarmingclimate，accordingtoanewstudy.Attheheartofthephenomenonlietinymarinemicroorganisms(海洋微生物)calledphytoplankton.Becauseofthewaylightreflectsofftheorganisms，thesephytoplanktoncreatecolourfulpatternsattheoceansurface.Oceancolourvariesfromgreentoblue，dependingonthetypeandconcentrationofphytoplankton.Climatechangewillfuelthegrowthofphytoplanktoninsomeareas，whilereducingitinotherspots，leadingtochangesintheocean'sappearance.Phytoplanktonliveattheoceansurface，wheretheypullcarbondioxide(二氧化碳)intotheoceanwhilegivingoffoxygen.Whentheseorganismsdie，theyburycarboninthedeepocean，animportantprocessthathelpstoregulatetheglobalclimate.Butphytoplanktonarevulnerabletotheocean'swarmingtrend.Warmingchangeskeycharacteristicsoftheoceanandcanaffectphytoplanktongrowth，sincetheyneednotonlysunlightandcarbondioxidetogrow，butalsonutrients.StephanieDutkiewicz，ascientistinMIT'sCenterforGlobalChangeScience，builtaclimatemodelthatprojectschangestotheoceansthroughoutthecentury.Inaworldthatwarmsupby3℃，itfoundthatmultiple,优点英语changestothecolouroftheoceanswouldoccur.Themodelprojectsthatcurrentlyblueareaswithlittlephytoplanktoncouldbecomeevenbluer.Butinsomewaters，suchasthoseoftheArctic，awarmingwillmakeconditionsriperforphytoplankton，andtheseareaswillturngreener.“Notonlyarethequantitiesofphytoplanktonintheoceanchanging.”shesaid，“butthetypeofphytoplanktonischanging.”42.Whatarethefirsttwoparagraphsmainlyabout?A.Thevariouspatternsattheoceansurface.B.Thecauseofthechangesinoceancolour.C.Thewaylightreflectsoffmarineorganisms.D.Theeffortstofuelthegrowthofphytoplankton.43.Whatdoestheunderlinedword“vulnerable”inParagraph3probablymean?A.Sensitive.B.BeneficialC.SignificantD.Unnoticeable44.Whatcanwelearnfromthepassage?A.Phytoplanktonplayadecliningroleinthemarineecosystem.B.Dutkiewicz'smodelaimstoprojectphytoplanktonchangesC.PhytoplanktonhavebeenusedtocontrolglobalclimateD.Oceanswithmorephytoplanktonmayappeargreener.45.Whatisthemainpurposeofthepassage？A.ToassesstheconsequencesofoceancolourchangesB.ToanalysethecompositionoftheoceanfoodchainC.ToexplaintheeffectsofclimatechangeonoceansD.Tointroduceanewmethodtostudyphytoplankton8.【2019·天津卷，C】Howdoesanecosystem（生态系统）work？Whatmakesthepopulationsofdifferentspeciesthewaytheyare？Whyaretheresomanyfliesandsofewwolves？Tofindananswer，scientistshavebuiltmathematicalmodelsoffoodwebs，notingwhoeatswhomandhowmucheachoneeats.Withsuchmodels，scientistshavefoundoutsomekeyprinciplesoperatinginfoodwebs.Mostfoodwebs，forinstance，consistofmanyweaklinksratherthanafewstrongones.Whenapredator（掠食动物）alwayseatshugenumbersofasingleprey（猎物），thetwospeciesarestronglylinked；whenapredatorlivesonvariousspecies，theyareweaklylinked.Foodwebsmaybedominatedbymanyweaklinksbecausethatarrangementismorestable,优点英语overthelongterm.Ifapredatorcaneatseveralspecies，itcansurvivetheextinction（灭绝）ofoneofthem.Andifapredatorcanmoveontoanotherspeciesthatiseasiertofindwhenapreyspeciesbecomesrare，theswitchallowstheoriginalpreytorecover.Theweaklinksmaythuskeepspeciesfromdrivingoneanothertoextinction.Mathematicalmodelshavealsorevealedthatfoodwebsmaybeunstable，wheresmallchangesoftoppredatorscanleadtobigeffectsthroughoutentireecosystems.Inthe1960s，scientistsproposedthatpredatorsatthetopofafoodwebhadasurprisingamountofcontroloverthesizeofpopulationsofotherspecies---includingspeciestheydidnotdirectlyattack.Andunplannedhumanactivitieshaveprovedtheideaoftop-downcontrolbytoppredatorstobetrue.Intheocean，wefishedfortoppredatorssuchascodonanindustrialscale，whileonland，wekilledofflargepredatorssuchaswolves.Theseactionshavegreatlyaffectedtheecologicalbalance.Scientistshavebuiltanearly-warningsystembasedonmathematicalmodels.Ideally，thesystemwouldtelluswhentoadapthumanactivitiesthatarepushinganecosystemtowardabreakdownorwouldevenallowustopullanecosystembackfromtheborderline.Preventioniskey，scientistssaysbecauseonceecosystemspasstheirtippingpoint（临界点），itisremarkablydifficultforthemtoreturn.46.Whathavescientistsdiscoveredwiththehelpofmathematicalmodelsoffoodwebs？A.Thelivinghabitsofspeciesinfoodwebs.B.Therulesgoverningfoodwebsoftheecosystems.C.Theapproachestostudyingthespeciesintheecosystems.D.Thedifferencesbetweenweakandstronglinksinfoodwebs.47.Astronglinkisfoundbetweentwospecieswhenapredator______A.hasawidefoodchoiceB.caneasilyfindnewpreyC.stickstoonepreyspeciesD.canquicklymovetoanotherplace48.Whatwillhappenifthepopulationsoftoppredatorsinafoodwebgreatlydecline？A.Thepreyspeciestheydirectlyattackwilldieout.B.Thespeciestheyindirectlyattackwillturnintotoppredators.C.Thelivingenvironmentofotherspecieswillremainunchanged.D.Thepopulationsofotherspecieswillexperienceunexpectedchanges.,优点英语49.WhatconclusioncanbedrawnfromtheexamplesinParagraph4？A.Uncontrolledhumanactivitiesgreatlyupsetecosystems.B.Rapideconomicdevelopmentthreatensanimalhabitats.C.Speciesofcommercialvaluedominateotherspecies.D.Industrialactivitieshelpkeepfoodwebsstable.50.Howdoesanearly-warningsystemhelpusmaintaintheecologicalbalance？A.Bygettingillegalpracticesundercontrol.B.Bystoppingusfromkillinglargepredators.C.Bybringingthebroken-downecosystemsbacktonormal.D.Bysignalingtheurgentneedfortakingpreventiveaction.9.【2019·江苏卷，B】Inthe1960s，whilestudyingthevolcanichistoryofYellowstoneNationalPark，BobChristiansenbecamepuzzledaboutsomethingthat，oddly，hadnottroubledanyonebefore:hecouldn'tfindthepark'svolcano.IthadbeenknownforalongtimethatYellowstonewasvolcanicinnature—that'swhataccountedforallitshotspringsandothersteamyfeatures.ButChristiansencouldn'tfindtheYellowstonevolcanoanywhere.Mostofus，whenwetalkaboutvolcanoes，thinkoftheclassiccone(圆锥体)shapesofaFujiorKilimanjaro，whicharecreatedwheneruptingmagma(岩浆)pilesup.Thesecanformremarkablyquickly.In1943，aMexicanfarmerwassurprisedtoseesmokerisingfromasmallpartofhisland.Inoneweekhewastheconfusedownerofaconefivehundredfeethigh.Withintwoyearsithadtoppedoutatalmostfourteenhundredfeetandwasmorethanhalfamileacross.AltogethertherearesometenthousandofthesevolcanoesonEarth，allbutafewhundredofthemextinct.Thereis，however，asecondlesknowntypeofvolcanothatdoesn'tinvolvemountainbuilding.Thesearevolcanoessoexplosivethattheyburstopeninasinglebigcrack，leavingbehindavasthole，thecaldera.Yellowstoneobviouslywasofthissecondtype，butChristiansencouldn'tfindthecalderaanywhere.JustatthistimeNASAdecidedtotestsomenewhigh-altitudecamerasbytakingphotographsofYellowstone.Athoughtfulofficialpassedonsomeofthecopiestotheparkauthoritiesontheassumptionthattheymightmakeaniceblow-upforoneofthevisitors'centers.AssoonasChristiansensawthephotos，herealizedwhyhehadfailedtospotthecaldera;almostthewholepark-2.2millionacres—wascaldera.Theexplosionhadleftaholemorethanfortymilesacross—muchtoohugetobeseenfromanywhereatgroundlevel.AtsometimeinthepastYellowstonemusthaveblownupwithaviolencefarbeyondthescaleofanythingknowntohumans.,优点英语58.WhatpuzzledChristiansenwhenhewasstudyingYellowstone？A.Itscomplicatedgeographicalfeatures.B.Itsever-lastinginfluenceontourism.C.Themysterioushistoryofthepark.D.Theexactlocationofthevolcano.59.Whatdoesthesecond-paragraphmainlytalkabout？A.Theshapesofvolcanoes.B.Theimpactsofvolcanoes.C.Theactivitiesofvolcanoes.D.Theheightsofvolcanoes.60.Whatdoestheunderlinedword"blow-up"inthelastparagraphmostprobablymean？A.Hot-airballoon.B.Digitalcamera.C.Bigphotograph.D.Bird'sview.10.【2019·浙江卷，C】Californiahaslosthalfitsbigtreessincethe1930s,accordingtoastudytobepublishedTuesdayandclimatechangeseemstobeamajorfactor(因素).Thenumberoftreeslargerthantwofeetacrosshasdeclinedby50percentonmorethan46,000squaremilesofCaliforniaforests,thenewstudyfinds.Noareawassparedorunaffected,fromthefoggynortherncoasttotheSierraNevadaMountainstotheSanGabrielsaboveLosAngeles.IntheSierrahighcountry,thenumberofbigtreeshasfallenbymorethan55percent;inpartsofsouthernCaliforniathedeclinewasnearly75percent.Manyfactorscontributedtothedecline,saidPatrickMclntyre,anecologistwhowastheleadauthorofthestudy.Woodcutterstargetedbigtrees.Housingdevelopmentpushedintothewoods.AggressivewildfirecontrolhasleftCaliforniaforestscrowdedwithsmalltreesthatcompetewithbigtreesforresources(资源).ButincomparingastudyofCaliforniaforestsdoneinthe1920sand1930swithanotheronebetween2001and2010,Mclntyreandhiscolleaguesdocumentedawidespreaddeathofbigtreesthatwasevidenteveninwildlandsprotectedfromwoodcuttingordevelopment.Thelossofbigtreeswasgreatestinareaswheretreeshadsufferedthegreatestwatershortage.Theresearchersfiguredoutwaterstresswithacomputermodelthatcalculatedhowmuchwatertreesweregettingincomparisonwithhowmuchtheyneeded,takingintoaccountsuchthingsasrainfall,airtemperature,dampnessofsoil,andthe,优点英语timingofsnowmelt(融雪).Sincethe1930s,Mclntyresaid,thebiggestfactorsdrivingupwaterstressinthestatehavebeenrisingtemperatures,whichcausetreestolosemorewatertotheair,andearliersnowmelt,whichreducesthewatersupplyavailabletotreesduringthedryseason.27.Whatisthesecondparagraphmainlyabout?A.Theseriousnessofbig-treelossinCalifornia.B.TheincreasingvarietyofCaliforniabigtrees.C.ThedistributionofbigtreesinCaliforniaforests.D.TheinfluenceoffarmingonbigtreesinCalifornia.28.Whichofthefollowingiswell-intentionedbutmaybebadforbigtrees?A.Ecologicalstudiesofforests.B.Banningwoodcutting.C.Limitinghousingdevelopment.D.Firecontrolmeasures.29.WhatisamajorcauseofthewatershortageaccordingtoMclntyre?A.Inadequatesnowmelt.B.Alongerdryseason.C.Awarmerclimate.D.Dampnessoftheair.30.Whatcanbeasuitabletitleforthetext?A.California'sForests:WhereHaveAlltheBigTreesGone?B.CuttingofBigTreestoBeProhibitedinCaliforniaSoonC.WhyAretheBigTreesImportanttoCaliforniaForests?D.PatrickMclntyre:GrowMoreBigTreesinCalifornia【2018年】1.【2018·全国卷I，D】Wemaythinkwe’reaculturethatgetsridofourworntechnologyatthefirstsightofsomethingshinyandnew,butanewstudyshowsthatwekeepusingourolddevices(装置)wellaftertheygooutofstyle.That’sbadnewsfortheenvironment–andourwallets–astheseoutdateddevicesconsumemuchmoreenergythantheneweronesthatdothesamethings.Tofigureouthowmuchpowerthesedevicesareusing,CallieBabbittandhercolleaguesattheRochester,优点英语InstituteofTechnologyinNewYorktrackedtheenvironmentalcostsforeachproductthroughoutitslife–fromwhenitsmineralsareminedtowhenwestopusingthedevice.Thismethodprovidedareadoutforhowhomeenergyusehasevolvedsincetheearly1990s.Devicesweregroupedbygeneration.Desktopcomputers,basicmobilephones,andbox-setTVsdefined1992.Digitalcamerasarrivedonthescenein1997.AndMP3players,smartphones,andLCDTVsenteredhomesin2002,beforetabletsande-readersshowedupin2007.Asweaccumulatedmoredevices,however,wedidn’tthrowoutouroldones.“Theliving-roomtelevisionisreplacedandgetsplantedinthekids’room,andsuddenlyoneday,youhaveaTVineveryroomofthehouse,”saidoneresearcher.Theaveragenumberofelectronicdevicesrosefromfourperhouseholdin1992to13in2007.We’renotjustkeepingtheseolddevices–wecontinuetousethem.AccordingtotheanalysisofBabbitt’steam,olddesktopmonitorsandboxTVswithcathoderaytubesaretheworstdeviceswiththeirenergyconsumptionandcontributiontogreenhousegasemissions(排放)morethandoublingduringthe1992to2007window.Sowhat’sthesolution(解决方案)?Theteam’sdataonlywentupto2007,buttheresearchersalsoexploredwhatwouldhappenifconsumersreplacedoldproductswithnewelectronicsthatservemorethanonefunction,suchasatabletforwordprocessingandTVviewing.Theyfoundthatmoreon-demandentertainmentviewingontabletsinsteadofTVsanddesktopcomputerscouldcutenergyconsumptionby44%.32.Whatdoestheauthorthinkofnewdevices?A.Theyareenvironment-friendly.B.Theyarenobetterthantheold.C.Theycostmoretouseathome.D.Theygooutofstylequickly.33.WhydidBabbitt’steamconducttheresearch?A.Toreducethecostofminerals.B.Totestthelifecycleofaproduct.C.Toupdateconsumersonnewtechnology.D.Tofindoutelectricityconsumptionofthedevices.34.Whichofthefollowingusestheleastenergy?A.Thebox-setTV.B.Thetablet.C.TheLCDTV.D.Thedesktopcomputer.35.Whatdoesthetextsuggestpeopledoaboutoldelectronicdevices?A.Stopusingthem.B.Takethemapart.C.Upgradethem.D.Recyclethem.,优点英语2.【2018·全国卷II，B】ManyofusloveJulybecauseit’sthemonthwhennature’sberriesandstonefruitsareinabundance.ThesecolourfulandsweetjewelsformBritishColumbia’sfieldsarelittlepowerhousesofnutritionalprotection.Ofthecommonberries,strawberriesarehighestinvitaminC,although,becauseoftheirseeds,raspberriescontainalittlemoreprotein(蛋白质),ironandzinc(notthatfruitshavemuchprotein).Blueberriesareparticularlyhighinantioxidants(抗氧化物质).TheyellowandorangestonefruitssuchaspeachesarehighinthecarotenoidsweturnintovitaminAandwhichareantioxidants.Asforcherries(樱桃),theyaresodeliciouswhocares?However,theyarerichinvitaminC.Whencombinedwithberriesofslicesofotherfruits,frozenbananasmakeanexcellentbaseforthick,coolingfruitshakesandlowfat“icecream”.Forthispurpose,selectripebananasforfreezingastheyaremuchsweeter.Removetheskinandplacetheminplasticbagsorcontainersandfreeze.Ifyoulike,asqueezeoffreshlemonjuiceonthebananaswillpreventthemturningbrown.Frozenbananaswilllastseveralweeks,dependingontheirripenessandthetemperatureofthefreezer.Ifyouhaveajuicer,youcansimplyfeedinfrozenbananasandsomeberriesorslicedfruit.Outcomesa“soft-serve”creamydessert,tobeeatenrightaway.Thismakesafunactivityforachildren’sparty;theylovefeedingthefruitandfrozenbananasintothetopofthemachineandwatchingtheicecreamcomeoutbelow.24.Whatdoestheauthorseemtolikeaboutcherries?A.Theycontainprotein.B.TheyarehighinvitaminA.C.Theyhaveapleasanttaste.D.Theyarerichinantioxidants.25.Whyisfreshlemonjuiceusedinfreezingbananas?A.Tomakethemsmellbetter.B.Tokeeptheircolour.C.Tospeeduptheirripening.D.Toimprovetheirnutrition.26.Whatis“ajuicer”inthelastparagraph?A.Adessert.B.Adrink.C.Acontainer.D.Amachine.27.Fromwhichisthetextprobablytaken?A.Abiologytextbook.B.Ahealthmagazine.C.Aresearchpaper.D.Atravelbrochure.3.【2018·全国卷III，B】Citiesusuallyhaveagoodreasonforbeingwheretheyare,likeanearbyportorriver.Peoplesettleinthese,优点英语placesbecausetheyareeasytogettoandnaturallysuitedtocommunicationsandtrade.NewYorkCity,forexample,isnearalargeharbouratthemouthoftheHudsonRiver.Over300yearsitspopulationgrewgraduallyfrom800peopleto8million.Butnotallcitiesdevelopslowlyoveralongperiodoftime.Boomtownsgrowfromnothingalmostovernight.In1896,Dawson,Canada,wasunmappedwilderness(荒野).Butgoldwasdiscoveredtherein1897,andtwoyearslater,itwasoneofthelargestcitiesintheWest,withapopulationof30,000.DawsondidnothaveanyofthenaturalconveniencesofcitieslikeLondonorParis.Peoplewentthereforgold.Theytravelledoversnow-coveredmountainsandsailedhundredsofmilesupicyrivers.ThepathtoDawsonwascoveredwiththirtyfeetofwetsnowthatcouldfallwithoutwarming.Anavalanche(雪崩)onceclosedthepath,killing63people.FormanywhomadeittoDawson,however,therewardswereworththedifficulttrip.Ofthefirst20,000peoplewhodugforgold,4,000gotrich.About100ofthesestayedrichmenfortherestoftheirlives.Butnomatterhowrichtheywere,Dawsonwasnevercomfortable.Necessitieslikefoodandwoodwereveryexpensive.Butsoon,thegoldthatDawsondependedonhadallbeenfound.Thecitywascrowdedwithdisappointedpeoplewithnointerestinsettlingdown,andwhentheyheardtherewerenewgolddiscoveriesinAlaska,theyleftDawsonCityasquicklyastheyhadcome.Today,peoplestillcomeandgo—toseewheretheCanadiangoldrushhappened.TourismisnowthechiefindustryofDawsonCity—itspresentpopulationis762.24.WhatattractedtheearlysettlerstoNewYorkCity?A.Itsbusinessculture.B.Itssmallpopulation.C.Itsgeographicalposition.D.Itsfavourableclimate.25.WhatdoweknowaboutthosewhofirstdugforgoldinDawson?A.Two-thirdsofthemstayedthere.B.Oneoutoffivepeoplegotrich.C.Almosteveryonegaveup.D.Halfofthemdied.26.WhatwasthemainreasonformanypeopletoleaveDawson?A.Theyfoundthecitytoocrowded.B.Theywantedtotrytheirluckelsewhere.C.Theywereunabletostandthewinter.,优点英语D.Theywereshortoffood.27.Whatisthetextmainlyabout?A.Theriseandfallofacity.B.ThegoldrushinCanada.C.Journeysintothewilderness.D.TourisminDawson.4.【2018·北京卷，C】Plastic-EatingWormsHumansproducemorethan300milliontonsofplasticeveryyear.Almosthalfofthatwindsupinlandfills(垃圾填埋场),andupto12milliontonspollutetheoceans.Sofarthereisnoeffectivewaytogetridofit,butanewstudysuggestsananswermaylieinthestomachsofsomehungryworms.ResearchersinSpainandEnglandrecentlyfoundthatthewormsofthegreaterwaxmothcanbreakdownpolyethylene,whichaccountsfor40%ofplastics.Theteamleft100waxwormsonacommercialpolyethyleneshoppingbagfor12hours,andthewormsconsumedandbrokedownabout92milligrams,oralmost3%ofit.Toconfirmthattheworms’chewingalonewasnotresponsibleforthepolyethylenebreakdown,theresearchersmadesomewormsintopaste(糊状物)andappliedittoplasticfilms.14hourslaterthefilmshadlost13%oftheirmass—apparentlybrokendownbyenzymes(酶)fromtheworms’stomachs.TheirfindingswerepublishedinCurrentBiologyin2017.FedericaBertocchini,co-authorofthestudy,saystheworms’abilitytobreakdowntheireverydayfood—beeswax—alsoallowsthemtobreakdownplastic.＂Waxisacomplexmixture,butthebasicbondinpolyethylene,thecarbon-carbonbond,isthereaswell,＂sheexplains,＂Thewaxwormevolvedamethodorsystemtobreakthisbond.＂JenniferDeBruyn,amicrobiologistattheUniversityofTennessee,whowasnotinvolvedinthestudy,saysitisnotsurprisingthatsuchwormscanbreakdownpolyethylene.Butcomparedwithpreviousstudies,shefindsthespeedofbreakingdowninthisoneexciting.Thenextstep,DeBruynsays,willbetoidentifythecauseofthe,优点英语breakdown.Isitanenzymeproducedbythewormitselforbyitsgutmicrobes(肠道微生物)?Bertocchiniagreesandhopesherteam’sfindingsmightonedayhelpemploytheenzymetobreakdownplasticsinlandfills.Butsheexpectsusingthechemicalinsomekindofindustrialprocess—notsimply＂millionsofwormsthrownontopoftheplastic.＂43.Whatcanwelearnaboutthewormsinthestudy?A.Theytakeplasticsastheireverydayfood.B.Theyarenewlyevolvedcreatures.C.Theycanconsumeplastics.D.Theywindupinlandfills.44.AccordingtoJenniferDeBruyn,thenextstepofthestudyisto.A.identifyothermeansofthebreakdownB.findoutthesourceoftheenzymeC.confirmtheresearchfindingsD.increasethebreakdownspeed45.Itcanbeinferredfromthelastparagraphthatthechemicalmight.A.helptoraisewormsB.helpmakeplasticbagsC.beusedtocleantheoceansD.beproducedinfactoriesinfuture46.Whatisthemainpurposeofthepassage?A.Toexplainastudymethodonworms.B.Tointroducethedietofaspecialworm.C.Topresentawaytobreakdownplastics.D.Toproposenewmeanstokeepeco-balance.5.【2018·天津卷，C】There’sanewfrontierin3Dprintingthat’sbeginningtocomeintofocus:food.Recentdevelopmenthasmadepossiblemachinesthatprint,cook,andservefoodsonamassscale.Andtheindustryisn’tstoppingthere.FoodproductionWitha3Dprinter,acookcanprintcomplicatedchocolatesculpturesandbeautifulpiecesfordecorationonaweddingcake.Noteverybodycandothat—ittakesyearsofexperience,butaprintermakesiteasy.Arestaurant,优点英语inSpainusesaFoodinito“re-createformsandpieces”offoodthatare“exactlythesame,”freeingcookstocompleteothertasks.Inanotherrestaurant,allofthedishesanddessertsitservesare3D-printed,ratherthanfarmtotable.Sustainability(可持续性)Theglobalpopulationisexpectedtogrowto9.6billionby2050,andsomeanalystsestimatethatfoodproductionwillneedtoberaisedby50percenttomaintaincurrentlevels.Sustainabilityisbecominganecessity.3Dfoodprintingcouldprobablycontributetothesolution.Someexpertsbelieveprinterscouldusehydrocolloids(水解胶体)fromplentifulrenewableslikealgae(藻类)andgrasstoreplacethefamiliaringredients(烹饪原料).3Dprintingcanreducefueluseandemissions.Grocerystoresofthefuturemightstock"food"thatlastsyearsonend,freeingupshelfspaceandreducingtransportationandstoragerequirements.NutritionFuture3Dfoodprinterscouldmakeprocessedfoodhealthier.HodLipson,aprofessoratColumbiaUniversity,said,“Foodprintingcouldallowconsumerstoprintfoodwithcustomizednutritionalcontent,likevitamins.Soinsteadofeatingapieceofyesterday’sbreadfromthesupermarket,you’deatsomethingbakedjustforyouondemand.”ChallengesDespiterecentadvancementsin3Dfoodprinting,theindustryhasmanychallengestoovercome.Currently,mostingredientsmustbechangedtoapaste(糊状物)beforeaprintercanusethem,andtheprintingprocessisquitetime-consuming,becauseingredientsinteractwitheachotherinverycomplexways.Ontopofthat,mostofthe3Dfoodprintersnowarerestrictedtodryingredients,becausemeatandmilkproductsmayeasilygobad.Someexpertsareskepticalabout3Dfoodprinters,believingtheyarebettersuitedforfastfoodrestaurantsthanhomesandhigh-endrestaurants.46.Whatbenefitdoes3Dprintingbringtofoodproduction?A.Ithelpscookstocreatenewdishes.B.Itsavestimeandeffortincooking.C.Itimprovesthecookingconditions.D.Itcontributestorestaurantdecorations.47.Whatcanwelearnabout3DfoodprintingfromParagraphs3?A.Itsolvesfoodshortageseasily.,优点英语B.Itquickensthetransportationoffood.C.Itneedsnospaceforthestorageoffood.D.Itusesrenewablematerialsassourcesoffood.48.AccordingtoParagraph4,3D-printedfood_____________.A.ismoreavailabletoconsumersB.canmeetindividualnutritionalneedsC.ismoretastythanfoodinsupermarketsD.cankeepallthenutritioninrawmaterials49.Whatisthemainfactorthatprevents3Dfoodprintingfromspreadingwidely?A.Theprintingprocessiscomplicated.B.3Dfoodprintersaretooexpensive.C.Foodmaterialshavetobedry.D.Someexpertsdoubt3Dfoodprinting.50.Whatcouldbethebesttitleofthepassage?A.3DFoodPrinting:DeliciousNewTechnologyB.ANewWaytoImprove3DFoodPrintingC.TheChallengesfor3DFoodProductionD.3DFoodPrinting:FromFarmtoTable6.【2018·浙江卷，B】StevenSteinlikestofollowgarbagetrucks.Hisstrangehabitmakessensewhenyouconsiderthathe’sanenvironmentalscientistwhostudieshowtoreducelitter,includingthingsthatfalloffgarbagetrucksastheydrivedowntheroad.Whatisevenmoreinterestingisthatoneof Stein'sjobsisdefendinganindustrybehindtheplasticshoppingbags.Americansusemorethan100billionthinfilmplasticbagseveryyear.Somanyendupintreebranchesoralonghighwaysthatagrowingnumberofcitiesdonotallowthematcheckouts(收银台).Thebagsareprohibitedinsome90citiesinCalifornia,includingLosAngeles.Eyeingtheseheadwinds,plastic-bagmakersarehiringscientistslike Stein to makethecasethattheirproductsarenotasbadfortheplanetasmostpeopleassume.Amongthebagmakers'argument:manycitieswithbansstillallowshoppers to purchasepaperbags,whichareeasilyrecycledbutrequiremoreenergy to produceandtransport.Andwhileplasticbagsmaybeugly to lookat,,优点英语theyrepresentasmallpercentageofall garbage onthegroundtoday.Theindustryhasalsotakenaimattheproductthathasappearedasitsreplacement:reusableshoppingbags.Thestrongerareusablebagis,thelongeritslifeandthemoreplastic-baguseitcancelsout.However,longer-lastingreusablebagsoftenrequiremoreenergy to make.Onestudyfoundthatacottonbagmustbeusedatleast131timestobebetterfortheplanetthanplastic.Environmentalistsdon'tdispute（质疑）thesepoints.Theyhopepaperbagswillbebannedsomedaytooandwantshoppers to usethesamereusablebagsforyears.24.WhathasStevenSteinbeenhiredtodo?A.Helpincreasegrocerysales.B.Recyclethewastematerial.C.Stopthingsfallingofftrucks.D.Arguefortheuseofplasticbags.25.Whatdoestheword“headwinds”inparagraph2referto?A.Bansonplasticbags.B.Effectsofcitydevelopment.C.Headachescausedbygarbage.D.Plasticbagshungintrees.26.Whatisadisadvantageofreusablebagsaccordingtoplastic-bagmakers?A.Theyarequiteexpensive.B.Replacingthemcanbedifficult.C.Theyarelessstrongthanplasticbags.D.Producingthemrequiresmoreenergy.27.Whatisthebesttitleforthetext?A.Plastic,PaperorNeitherB.Industry,PollutionandEnvironmentC.RecycleorThrowAwayD.GarbageCollectionandWasteControl7.【2018·浙江卷，C】Asculturalsymbolsgo,theAmericancarisquiteyoung.TheModelTFordwasbuiltatthePiquettePlantinMichiganacenturyago,withthefirstrollingofftheassemblyline（装配线）onSeptember27,1908.Onlyelevencarswereproducedthenextmonth.ButeventuallyHenryFordwouldbuildfifteenmillionofthem.ModernAmericawasbornontheroad,behindawheel.ThecarshapedsomeofthemostlastingaspectsofAmericanculture:theroadsidediner,thebillboard,themotel,eventhehamburger.Formostofthelastcentury,thecarrepresentedwhatitmeanttobeAmerican—goingforwardathighspeedtofindnewworlds.Theroadnovel,theroadmovie,thesearethemosttypicalAmericanideas,bornofabundantpetrol,cheapcarsandanever-endinginterstatehighwaysystem,thelargestpublicworksprojectinhistory.In1928HerbertHooverimaginedanAmericawith“achickenineverypotandacarineverygarage.”,优点英语Sincethen,thissocietyhasmovedonward,neverlookingback,asthecartransformedAmericafromafarm-basedsocietyintoanindustrialpower.ThecarsthatdrovetheAmericanDreamhavehelpedtocreateaglobalecologicaldisaster.InAmericathedemandforoilhasgrownby22percentsince1990.Theproblemsofexcessive（过度的）energyconsumption,climatechangeandpopulationgrowthhavebeendescribedinabookbytheAmericanwriterThomasL.Friedman.Hefearstheworst,buthopesforthebest.Friedmanpointsoutthatthegreeneconomy（经济）isachancetokeepAmericanstrength.“Theabilitytodesign,buildandexportgreentechnologiesforproducingcleanwater,cleanairandhealthyandabundantfoodisgoingtobethecurrencyofpowerinthenewcentury.”28.Whyishamburgermentionedinparagraph2?A.ToexplainAmericans’lovefortravellingbycar.B.ToshowtheinfluenceofcarsonAmericanculture.C.TostressthepopularityoffastfoodwithAmericans.D.TopraisetheeffectivenessofAmerica’sroadsystem.29.WhathastheuseofcarsinAmericaledto?A.Declineofeconomy.B.Environmentalproblems.C.Ashortageofoilsupply.D.Afarm-basedsociety.30.WhatisFriedman’sattitudetowardsAmerica’sfuture?A.Ambiguous.B.Doubtful.C.Hopeful.D.Tolerant.8.【2018·江苏卷，B】Inthe1760s,MathurinRozeopenedaseriesofshopsthatboasted(享有)aspecialmeatsoupcalledconsommé.Althoughthemainattractionwasthesoup,Roze'schainshopsalsosetanewstandardfordiningout,whichhelpedtoestablishRozeastheinventorofthemodernrestaurant.Today,scholarshavegeneratedlargeamountsofinstructiveresearchaboutrestaurants.Takevisualhintsthatinfluencewhatweeat:dinersservedthemselvesabout20percentmorepasta(意大利面食)whentheirplatesmatchedtheirfood.Whenadark-coloredcakewasservedonablackplateratherthanawhiteone,customersrecognizeditassweeterandmoretasty.Lightingmatters,too.WhenBerlinrestaurantcustomersateindarkness,theycouldn'ttellhowmuchthey'dhad:thosegivenextra-largesharesatemorethaneveryoneelse,nonethewiser—theydidn’tfeelfuller,andthey,优点英语werejustasreadyfordessert.Timeismoney,butthatprinciplemeansdifferentthingsfordifferenttypesofrestaurants.Unlikefast-foodplaces,finediningshopsprefercustomerstostaylongerandspend.Onewaytoencouragecustomerstostayandorderthatextraround:putonsomeMozart(莫扎特).Whenclassical,ratherthanpop,musicwasplaying,dinersspentmore.Fastmusichurrieddinersout.Particularscentsalsohaveaneffect:dinerswhogotthescentoflavender(薰衣草)stayedlongerandspentmorethanthosewhosmelledlemon,ornoscent.Meanwhile,thingsthatyoumightexpecttodiscouragespending—"bad"tables,crowding.highprices—don'tnecessarily.Dinersatbadtables—nexttothekitchendoor,say—spentnearlyasmuchasothersbutsoonfled.Itcanbeconcludedthatrestaurantkeepersneednot"beoverlyconcernedabout‘bad’tables,"giventhatthey'reprofitable.Asforcrowds,aHongKongstudyfoundthattheyincreasedarestaurant'sreputation,suggestinggreatfoodatfairprices.Anddoublingabuffet'spriceledcustomerstosaythatitspizzawas11percenttastier.58.Theunderlinedphrase"nonethewiser"inparagraph3mostprobablyimpliesthatthecustomerswere.A.notawareofeatingmorethanusualB.notwillingtosharefoodwithothersC.notconsciousofthefoodqualityD.notfondofthefoodprovided59.Howcouldafinediningshopmakemoreprofit?A.Playingclassicalmusic.B.Introducinglemonscent.C.Makingthelightbrighter,D.Usingplatesoflargersize.60.Whatdoesthelastparagraphtalkabout?A.Tipstoattractmorecustomers.B.Problemsrestaurantsarefacedwith.C.Waystoimproverestaurants'reputation.D.Commonmisunderstandingsaboutrestaurants.9.【2018·江苏卷，D】Childrenasyoungastenarebecomingdependentonsocialmediafortheirsenseofself-worth,amajorstudy,优点英语warned.Itfoundmanyyoungsters(少年）nowmeasuretheirstatusbyhowmuchpublicapprovaltheygetonline,oftenthrough“likes”.Somechangetheirbehaviourinreallifetoimprovetheirimageontheweb.Thereportintoyoungstersagedfrom8to12wascarriedoutbyChildren'sCommissioner(专员）AnneLongfield.Shesaidsocialmediafirmswereexposingchildrentomajoremotionalrisks,withsomeyoungstersstartingsecondaryschoolill-equippedtocopewiththetremendouspressuretheyfacedonline.Somesocialappswerepopularamongthechildreneventhoughtheysupposedlyrequireuserstobeatleast13.Theyoungstersadmittedplanningtripsaroundpotentialphoto-opportunitiesandthenmessagingfriends—andfriendsoffriends—todemand“likes”fortheironlineposts.Thereportfoundthatyoungstersfelttheirfriendshipscouldbeatriskiftheydidnotrespondtosocialmediapostsquickly,andaroundtheclock.Childrenaged8to10were"startingtofeelhappy"whenotherslikedtheirposts.However,thoseinthe10to12agegroupwere"concernedwithhowmanypeopleliketheirposts",suggestinga“need”forsocialrecognitionthatgetsstrongertheoldertheybecome.MissLongfieldwarnedthatagenerationofchildrenriskedgrowingup"worriedabouttheirappearanceandimageasaresultoftheunrealisticlifestylestheyfollowonplatforms,andincreasinglyanxiousaboutswitchingoffduetotheconstantdemandsofsocialmedia.Shesaid:"Childrenareusingsocialmediawithfamilyandfriendsandtoplaygameswhentheyareinprimaryschool.Butwhatstartsasfunusageofappsturnsintotremendouspressureinrealsocialmediainteractionatsecondaryschool."Astheirworldexpanded,shesaid,childrencomparedthemselvestoothersonlineinawaythatwas"hugelydamagingintermsoftheirself-identity,intermsoftheirconfidence,butalsointermsoftheirabilitytodevelopthemselves".MissLongfieldadded:"Thenthereisthispushtoconnect—ifyougooffline,willyoumisssomething,willyoumissout,willyoushowthatyoudon'tcareaboutthosepeopleyouarefollowing,allofthosecometogetherinahugewayatonce.""Forchildrenitisvery,verydifficulttocopewithemotionally."TheChildren'sCommissionerforEngland'sstudy—lifeinLikes—foundthatchildrenasyoungas8wereusingsocialmediaplatformslargelyforplay.However,theresearch—involvingeightgroupsof32childrenaged8to12—suggestedthatastheyheaded,优点英语towardtheirteens,theybecameincreasinglyanxiousonline.Bythetimetheystartedsecondaryschool—atage11—childrenwerealreadyfarmoreawareoftheirimageonlineandfeltunderhugepressuretoensuretheirpostswerepopular,thereportfound.However,theystilldidnotknowhowtocopewithmean-spiritedjokes,orthesenseofincompetencetheymightfeeliftheycomparedthemselvestocelebrities(名人）ormorebrilliantfriendsonline.Thereportsaidtheyalsofacedpressuretorespondtomessagesatallhoursoftheday—especiallyatsecondaryschoolwhenmoreyoungstershavemobilephones.TheChildren’sCommissionersaidschoolsandparentsmustnowdomoretopreparechildrenfortheemotionalminefield(雷区）theyfacedonline.Andshesaidsocialmediacompaniesmustalso"takemoreresponsibility".Theyshouldeithermonitortheirwebsitesbettersothatchildrendonotsignuptooearly,ortheyshouldadjusttheirwebsitestotheneedsofyoungerusers.JavedKhan,ofchildren'scharityBamardo's,said:"It'svitalthatnewcompulsoryage-appropriaterelationshipandsexeducationlessonsinEnglandshouldhelpequipchildrentodealwiththegrowingdemandsofsocialmedia.“It’salsohugelyimportantforparentstoknowwhichappstheirchildrenareusing.”65.Whydidsomesecondaryschoolstudentsfeeltoomuchpressure?A.Theywerenotprovidedwithadequateequipment.B.Theywerenotwellpreparedforemotionalrisks.C.Theywererequiredtogivequickresponses.D.Theywerepreventedfromusingmobilephones.66.Somesocialappcompaniesweretoblamebecause.A.theydidn'tadequatelychecktheirusers'registrationB.theyorganizedphototripstoattractmoreyoungstersC.theyencouragedyoungsterstopostmorephotosD.theydidn'tstopyoungstersfromstayinguplate67.Children'scomparingthemselvestoothersonlinemayleadto.A.lessfriendlinesstoeachotherB.lowerself-identityandconfidenceC.anincreaseinonlinecheatingD.astrongerdesiretostayonline,优点英语68.AccordingtoLifeinLikes,aschildrengrew,theybecamemoreanxiousto.A.circulatetheirpostsquicklyB.knowthequalitiesoftheirpostsC.usemobilephonesforplayD.getmorepublicapproval69.Whatshouldparentsdotosolvetheproblem?A.Communicatemorewithsecondaryschools.B.Urgemediacompaniestocreatesaferapps.C.Keeptrackofchildren'suseofsocialmedia.D.Forbidtheirchildrenfromvisitingtheweb.70.Whatdoesthepassagemainlytalkabout?A.Theinfluenceofsocialmediaonchildren.B.Theimportanceofsocialmediatochildren.C.Theprobleminbuildingahealthyrelationship.D.Themeasuretoreducerisksfromsocialmedia.【2017年】1.【2017·全国卷I，D】Abuild-it-yourselfsolarstill（蒸馏器）isoneofthebestwaystoobtaindrinkingwaterinareaswheretheliquidisnotreadilyavailable.DevelopedbytwodoctorsintheU.S.DepartmentofAgriculture,it’sanexcellentwatercollector.Unfortunately,youmustcarrythenecessaryequipmentwithyou,sinceit’sallbutimpossibletofindnaturalsubstitutes.Theonlycomponentsrequired,though,area5＇5＇sheetofclearorslightlymilkyplastic,sixfeetofplastictube,andacontainer—perhapsjustadrinkingcup—tocatchthewater.Thesepiecescanbefoldedintoaneatlittlepackandfastenedonyourbelt.Toconstructaworkingstill,useasharpstickorrocktodigaholefourfeetacrossandthreefeetdeep.Trytomaketheholeinadampareatoincreasethewatercatcher’sproductivity.Placeyourcupinthedeepestpartofthehole.Thenlaythetubeinplacesothatoneendrestsallthewayinthecupandtherestofthelinerunsup—andout—thesideofthehole.Next,covertheholewiththeplasticsheet,securingtheedgesoftheplasticwithdirtandweightingthesheet’scenterdownwitharock.Theplasticshouldnowformacone(圆锥体)with45-degree-angledsides.Thelowpointofthesheetmustbecentereddirectlyover,andnomorethanthreeinchesabove,thecup.Thesolarstillworksbycreatingagreenhouseundertheplastic.Groundwaterevaporates(蒸发)andcollectsonthesheetuntilsmalldropsofwaterform,rundownthematerialandfalloffintothecup.Whenthecontaineris,优点英语full,youcansucktherefreshmentoutthroughthetube,andwon’thavetobreakdownthestilleverytimeyouneedadrink.32.Whatdoweknowaboutthesolarstillequipmentfromthefirstparagraph?A.It’sdelicate.B.It’sexpensive.C.It’scomplex.D.It’sportable.33.Whatdoestheunderlinedphrase＂thewatercatcher＂inparagraph2referto?A.Thetube.B.Thestill.C.Thehole.D.Thecup.34.Whatisthelaststepofconstructingaworkingsolarstill?A.Digaholeofacertainsize.B.Putthecupinplace.C.Weightthesheet’scenterdown.D.Covertheholewiththeplasticsheet.35.Whenasolarstillworks,dropsofwatercomeintothecupfrom.A.theplastictubeB.outsidetheholeC.theopenairD.beneaththesheet2.【2017·全国卷II，C】TerrafugiaInc.saidMondaythatitsnewflyingcarhascompleteditsfirstflight,bringingthecompanyclosertoitsgoalofsellingtheflyingcarwithinthenextyear.Thevehicle—namedtheTransition—hastwoseats,fourwheelsandwingsthatfoldupsoitcanbedrivenlikeacar.TheTransition,whichflewat1,400feetforeightminuteslastmonth,canreacharound70milesperhourontheroadand115intheair.Itfliesusinga23-gallontankofgasandburns5gallonsperhourintheair.Ontheground,itgets35milespergallon.Around100peoplehavealreadyputdowna$10,000deposittogetaTransitionwhentheygoonsale,andthosenumberswilllikelyriseafterTerrafugiaintroducestheTransitiontothepubliclaterthisweekattheNewYorkAutoShow.Butdon’texpectittoshowupintoomanydriveways.It’sexpectedtocost$279,000.Anditwon’thelpifyou’restuckintraffic.Thecarneedsarunway.Inventorshavebeentryingtomakeflyingcarssincethe1930s,accordingtoRobertMann,anairlineindustryexpert.ButMannthinksTerrafugiahascomecloserthananyonetomakingtheflyingcarareality.Thegovernmenthasalreadypermittedthecompanytousespecialmaterialstomakeiteasierforthevehicletofly.TheTransitionisnowgoingthroughcrashteststomakesureitmeetsfederalsafetystandards.MannsaidTerrafugiawashelpedbytheFederalAviationAdministration’sdecisionfiveyearsagotocreatea,优点英语separatesetofstandardsforlightsportaircraft,whicharelowerthanthoseforpilotsoflargerplanes.Terrafugiasaysanownerwouldneedtopassatestandcomplete20hoursofflyingtimetobeabletoflytheTransition,arequirementpilotswouldfindrelativelyeasytomeet.28.Whatisthefirstparagraphmainlyabout?A.ThebasicdataoftheTransition.B.Theadvantagesofflyingcars.C.Thepotentialmarketforflyingcars.D.ThedesignersoftheTransition.29.WhyistheTransitionunlikelytoshowupintoomanydriveways?A.Itcausestrafficjams.B.Itisdifficulttooperate.C.Itisveryexpensive.D.Itburnstoomuchfuel.30.Whatisthegovernment’sattitudetothedevelopmentoftheflyingcar?A.Cautious.B.Favorable.C.Ambiguous.D.Disapproving.31.Whatisthebesttitleforthetext?A.FlyingCaratAutoShowB.TheTransition’sFirstFlightC.Pilots’DreamComingTrueD.FlyingCarClosertoReality3.【2017·全国卷II，D】Whenaleafyplantisunderattack,itdoesn’tsitquietly.Backin1983,twoscientists,JackSchultzandIanBaldwin,reportedthatyoungmapletreesgettingbittenbyinsectssendoutaparticularsmellthatneighboringplantscanget.Thesechemicalscomefromtheinjuredpartsoftheplantandseemtobeanalarm.Whattheplantspumpthroughtheairisamixtureofchemicalsknownasvolatileorganiccompounds,VOCsforshort.ScientistshavefoundthatallkindsofplantsgiveoutVOCswhenbeingattacked.It’saplant’swayofcryingout.Butisanyonelistening?Apparently.Becausewecanwatchtheneighborsreact.Someplantspumpoutsmellychemicalstokeepinsectsaway.Butothersdodoubleduty.Theypumpoutperfumesdesignedtoattractdifferentinsectswhoarenaturalenemiestotheattackers.Oncetheyarrive,thetablesareturned.Theattackerwhowaslunchingnowbecomeslunch.,优点英语Instudyafterstudy,itappearsthatthesechemicalconversationshelptheneighbors.Thedamageisusuallymoreseriousonthefirstplant,buttheneighbors,relativelyspeaking,staysaferbecausetheyheardthealarmandknewwhattodo.Doesthismeanthatplantstalktoeachother?Scientistsdon’tknow.Maybethefirstplantjustmadeacryofpainorwassendingamessagetoitsownbranches,andso,ineffect,wastalkingtoitself.Perhapstheneighborsjusthappenedto"overhear"thecry.Soinformationwasexchanged,butitwasn’tatrue,intentionalbackandforth.CharlesDarwin,over150yearsago,imaginedaworldfarbusier,noisierandmoreintimate(亲密的)thantheworldwecanseeandhear.Oursensesareweak.There’sawholelotgoingon.32.Whatdoesaplantdowhenitisunderattack?A.Itmakesnoises.B.Itgetshelpfromotherplants.C.Itstandsquietly.D.Itsendsoutcertainchemicals.33.Whatdoestheauthormeanby"thetablesareturned"inparagraph3?A.Theattackersgetattacked.B.Theinsectsgatherunderthetable.C.Theplantsgetreadytofightback.D.Theperfumesattractnaturalenemies.34.Scientistsfindfromtheirstudiesthatplantscan.A.predictnaturaldisastersB.protectthemselvesagainstinsectsC.talktooneanotherintentionallyD.helptheirneighborswhennecessary35.Whatcanweinferfromthelastparagraph?A.Theworldischangingfasterthanever.B.Peoplehavestrongersensesthanbefore.C.Theworldismorecomplexthanitseems.D.PeopleinDarwin’stimeweremoreimaginative.4.【2017·全国卷III，C】Afteryearsofheateddebate,graywolveswerereintroducedtoYellowstoneNationalPark.FourteenwolveswerecaughtinCanadaandtransportedtothepark.Bylastyear,theYellowstonewolfpopulationhadgrowntomorethan170wolves.GraywolvesoncewereseenhereandthereintheYellowstoneareaandmuchofthecontinentalUnitedStates,buttheyweregraduallydisplacedbyhumandevelopment.Bythe1920s,wolveshadpracticallydisappearedfromtheYellowstonearea.TheywentfarthernorthintothedeepforestsofCanada,wheretherewerefewerhumansaround.Thedisappearanceofthewolveshadmanyunexpectedresults.Deerandelkpopulations—majorfood,优点英语sources(来源)forthewolf—grewrapidly.Theseanimalsconsumedlargeamountsofvegetation(植被),whichreducedplantdiversityinthepark.Intheabsenceofwolves,coyotepopulationsalsogrewquickly.Thecoyoteskilledalargepercentageofthepark’sredfoxes,andcompletelydroveawaythepark’sbeavers.Asearlyas1966,biologistsaskedthegovernmenttoconsiderreintroducingwolvestoYellowstonePark.Theyhopedthatwolveswouldbeabletocontroltheelkandcoyoteproblems.Manyfarmersopposedtheplanbecausetheyfearedthatwolveswouldkilltheirfarmanimalsorpets.Thegovernmentspentnearly30yearscomingupwithaplantoreintroducethewolvers.TheU.S.FishandWildlifeServicecarefullymonitorsandmanagesthewolfpacksinYellowstone.Today,thedebatecontinuesoverhowwellthegraywolfisfittinginatYellowstone.Elk,deer,andcoyotepopulationsaredown,whilebeaversandredfoxeshavemadeacomeback.TheYellowstonewolfprojecthasbeenavaluableexperimenttohelpbiologistsdecidewhethertoreintroducewolvestootherpartsofthecountryaswell.28.Whatisthetextmainlyabout?A.WildliferesearchintheUnitedStates.B.PlantdiversityintheYellowstonearea.C.Theconflictbetweenfarmersandgraywolves.D.ThereintroductionofwolvestoYellowstonePark.29.Whatdoestheunderlinedword＂displaced＂inparagraph2mean?A.Tested.B.Separated.C.Forcedout.D.Trackeddown.30.Whatdidthedisappearanceofgraywolvesbringabout?A.Damagetolocalecology.B.Adeclineinthepark’sincome.C.Preservationofvegetation.D.Anincreaseinthevarietyofanimals.31.Whatistheauthor’sattitudetowardstheYellowstonewolfproject?A.Doubtful.B.Positive.C.Disapproving.D.Uncaring.5.【2017·全国卷III，D】TheIntelligentTransportteamatNewcastleUniversityhaveturnedanelectriccarintoamobilelaboratorynamed＂DriveLAB＂inordertounderstandthechallengesfacedbyolderdriversandtodiscoverwherethekeystresspointsare.Researchshowsthatgivingupdrivingisoneofthekeyreasonsforafallinhealthandwell-beingamongolderpeople,leadingtothembecomingmoreisolated(隔绝)andinactive.,优点英语LedbyProfessorPhilBlythe,theNewcastleteamaredevelopingin-vehicletechnologiesforolderdriverswhichtheyhopecouldhelpthemtocontinuedrivingintolaterlife.Theseincludecustom-madenavigation(导航)tools,nightvisionsystemsandintelligentspeedadaptations.PhilBlytheexplains:＂Formanyolderpeople,particularlythoselivingaloneorinthecountry,drivingisimportantforpreservingtheirindependence,givingthemthefreedomtogetoutandaboutwithouthavingtorelyonothers.＂＂Butweallhavetoacceptthataswegetolderourreactionsslowdownandthisoftenresultsinpeopleavoidinganypotentiallychallengingdrivingconditionsandlosingconfidenceintheirdrivingskills.Theresultisthatpeoplestopdrivingbeforetheyreallyneedto.＂DrAmyGuo,theleadingresearcherontheolderdriverstudy,explains:＂TheDriveLABishelpingustounderstandwhatthekeypointsanddifficultiesareforolderdriversandhowwemightusetechnologytoaddresstheseproblems.＂Forexample,mostofuswouldexpectolderdriversalwaysgoslowerthaneveryoneelsebutsurprisingly,wefoundthatin30mphzonestheystruggledtokeepataconstantspeedandsoweremorelikelytobreakthespeedlimitandbeatriskofgettingfined.We’relookingatthebenefitsofsystemswhichcontroltheirspeedasawayofpreventingthat.＂Wehopethatourworkwillhelpwithtechnologicalsolutions(解决方案)toensurethatolderdriversstaysaferbehindthewheel.＂32.WhatisthepurposeoftheDriveLAB?A.Toexplorenewmeansoftransport.B.Todesignnewtypesofcars.C.Tofindoutolderdriver’sproblems.D.Toteachpeopletrafficrules.33.WhyisdrivingimportantforolderpeopleaccordingtoPhilBlythe?A.Itkeepsthemindependent.B.Ithelpsthemsavetime.C.Itbuildsuptheirstrength.D.Itcurestheirmentalillnesses.34.Whatdoresearchershopetodoforolderdrivers?,优点英语A.Improvetheirdrivingskills.B.Developdriver-assisttechnologies.C.Providetipsonrepairingtheircars.D.Organizeregularphysicalcheckups.35.Whatisthebesttitleforthetext?A.AnewModelElectricCarB.ASolutiontoTrafficProblemsC.DrivingServicesforEldersD.KeepingOlderDriversontheRoad6.【2017·北京卷，C】Measles(麻疹),whichoncekilled450childreneachyearanddisabledevenmore,wasnearlywipedoutintheUnitedStates14yearsagobytheuniversaluseoftheMMRvaccine(疫苗).Butthediseaseismakingacomeback,causedbyagrowinganti-vaccinemovementandmisinformationthatisspreadingquickly.Alreadythisyear,115measlescaseshavebeenreportedintheUSA,comparedwith189foralloflastyear.Thenumbersmightsoundsmall,buttheyaretheleadingedgeofadangeroustrend.Whenvaccinationratesareveryhigh,astheystillareinthenationasawhole,everyoneisprotected.Thisiscalled＂herdimmunity＂,whichprotectsthepeoplewhogethurteasily,includingthosewhocan’tbevaccinatedformedicalreasons,babiestooyoungtogetvaccinatedandpeopleonwhomthevaccinedoesn’twork.Butherdimmunityworksonlywhennearlythewholeherdjoinsin.Whensomerefusevaccinationandseekafreeride,immunitybreaksdownandeveryoneisinevenbiggerdanger.That’sexactlywhatishappeninginsmallneighborhoodsaroundthecountryfromOrangeCounty,California,where22measlescaseswerereportedthismonth,toBrooklyn,N.Y.,wherea17-year-oldcausedanoutbreaklastyear.Theresistancetovaccinehascontinuedfordecades,anditisdrivenbyarealbutverysmallrisk.Thosewhorefusetotakethatriskselfishlymakeotherssuffer.Makingthingsworsearestatelawsthatmakeittooeasytooptout(决定不参加)ofwhataresupposedtoberequiredvaccinesforallchildrenenteringkindergarten.Seventeenstatesallowparentstogetanexemption（豁免）,sometimesjustbysigningapapersayingtheypersonallyobjecttoavaccine.Now,severalstatesaremovingtotightenlawsbyaddingnewregulationsforoptingout.Butnoonedoes,优点英语enoughtolimitexemptions.Parentsoughttobeabletooptoutonlyforlimitedmedicalorreligiousreasons.Butpersonalopinions?Notgoodenough.Everyoneenjoysthelife-savingbenefitsvaccinesprovide,butthey’llexistonlyaslongaseveryonesharesintherisks.63.Thefirsttwoparagraphssuggestthat____________.A.asmallnumberofmeaslescasescanstartadangeroustrendB.theoutbreakofmeaslesattractsthepublicattentionC.anti-vaccinemovementhasitsmedicalreasonsD.informationaboutmeaslesspreadsquickly64.Herdimmunityworkswellwhen____________.A.exemptionsareallowedB.severalvaccinesareusedtogetherC.thewholeneighborhoodisinvolvedinD.newregulationsareaddedtothestatelaws65.Whatisthemainreasonforthecomebackofmeasles?A.Theoveruseofvaccine.B.Thelackofmedicalcare.C.Thefeaturesofmeaslesitself.D.Thevaccineopt-outsofsomepeople.66.Whatisthepurposeofthepassage?A.Tointroducetheideaofexemption.B.Todiscussmethodstocuremeasles.C.Tostresstheimportanceofvaccination.D.Toappealforequalrightsinmedicaltreatment.7.【2017·北京卷，D】Hollywood’stheorythatmachineswithevil(邪恶)mindswilldrivearmiesofkillerrobotsisjustsilly.Therealproblemrelatestothepossibilitythatartificialintelligence(AI)maybecomeextremelygoodatachievingsomethingotherthanwhatwereallywant.In1960awell-knownmathematicianNorbertWiener,whofoundedthefieldofcybernetics（控制论）,putitthisway:＂Ifweuse,toachieveourpurposes,amechanicalagencywith,优点英语whoseoperationwecannoteffectivelyinterfere(干预),wehadbetterbequitesurethatthepurposeputintothemachineisthepurposewhichwereallydesire.＂Amachinewithaspecificpurposehasanotherquality,onethatweusuallyassociatewithlivingthings:awishtopreserveitsownexistence.Forthemachine,thisqualityisnotin-born,norisitsomethingintroducedbyhumans;itisalogicalconsequenceofthesimplefactthatthemachinecannotachieveitsoriginalpurposeifitisdead.Soifwesendoutarobotwiththesingleinstructionoffetchingcoffee,itwillhaveastrongdesiretosecuresuccessbydisablingitsownoffswitchorevenkillinganyonewhomightinterferewithitstask.Ifwearenotcareful,then,wecouldfaceakindofglobalchessmatchagainstverydetermined,superintelligentmachineswhoseobjectivesconflictwithourown,withtherealworldasthechessboard.Thepossibilityofenteringintoandlosingsuchamatchshouldconcentratethemindsofcomputerscientists.Someresearchersarguethatwecansealthemachinesinsideakindoffirewall,usingthemtoanswerdifficultquestionsbutneverallowingthemtoaffecttherealworld.Unfortunately,thatplanseemsunlikelytowork:wehaveyettoinventafirewallthatissecureagainstordinaryhumans,letalonesuperintelligentmachines.SolvingthesafetyproblemwellenoughtomoveforwardinAIseemstobepossiblebutnoteasy.Thereareprobablydecadesinwhichtoplanforthearrivalofsuperintelligentmachines.Buttheproblemshouldnotbedismissedoutofhand,asithasbeenbysomeAIresearchers.Somearguethathumansandmachinescancoexistaslongastheyworkinteams—yetthatisnotpossibleunlessmachinessharethegoalsofhumans.Otherssaywecanjust＂switchthemoff＂asifsuperintelligentmachinesaretoostupidtothinkofthatpossibility.StillothersthinkthatsuperintelligentAIwillneverhappen.OnSeptember11,1933,famousphysicistErnestRutherfordstated,withconfidence,＂Anyonewhoexpectsasourceofpowerinthetransformationoftheseatomsistalkingmoonshine.＂However,onSeptember12,1933,physicistLeoSzilardinventedtheneutron-induced(中子诱导)nuclearchainreaction.67.Paragraph1mainlytellsusthatartificialintelligencemay__________.A.runoutofhumancontrolB.satisfyhuman’srealdesiresC.commandarmiesofkillerrobotsD.workfasterthanamathematician68.Machineswithspecificpurposesareassociatedwithlivingthingspartlybecausetheymightbeableto__________.,优点英语A.preventthemselvesfrombeingdestroyedB.achievetheiroriginalgoalsindependentlyC.doanythingsuccessfullywithgivenordersD.beathumansininternationalchessmatches69.Accordingtosomeresearchers,wecanusefirewallsto__________.A.helpsuperintelligentmachinesworkbetterB.besecureagainstevilhumanbeingsC.keepmachinesfrombeingharmedD.avoidrobots’affectingtheworld70.Whatdoestheauthorthinkofthesafetyproblemofsuperintelligentmachines?A.ItwilldisappearwiththedevelopmentofAI.B.Itwillgetworsewithhumaninterference.C.Itwillbesolvedbutwithdifficulty.D.Itwillstayforadecade.8.【2017·江苏卷，B】Beforebirth,babiescantellthedifferencebetweenloudsoundsandvoices.Theycanevendistinguishtheirmother’svoicefromthatofafemalestranger.Butwhenitcomestoembryoniclearning(胎教),birdscould ruletheroost.Asrecentlyreportedin TheAuk:Ornithological Advances,somemotherbirdsmayteachtheiryoungtosingevenbeforetheyhatch(孵化).New-bornchickscanthenimitatetheirmom’scallwithinafewdaysofenteringtheworld.Thiseducationalmethodwasfirstobservedin2012bySoniaKleindorfer,abiologistatFlindersUniversityinSouthAustralia,andhercolleagues.FemaleAustraliansuperbfairywrenswerefoundtorepeatonesoundoverandoveragainwhilehatchingtheireggs.Whentheeggswerehatched,thebabybirdsmadethesimilarchirptotheir,优点英语mothers—asoundthatservedastheirregular"feedme!"call.Tofindoutifthespecialqualitywasmorewidespreadinbirds,theresearcherssoughtthered-backedfairywren,anotherspeciesofAustraliansongbird.Firsttheycollectedsounddatafrom67nestsinfoursitesinQueenslandbeforeandafterhatching.Thentheyidentifiedbeggingcallsbyanalyzingtheorderandnumberofnotes.Acomputeranalysisblindlycomparedcallsproducedbymothersandchicks,rankingthembysimilarity.Itturnsoutthatbabyred-backedfairywrensalsoemergechirpingliketheirmoms.Andthemorefrequentlymothershadcalledtotheireggs,themoresimilarwerethebabies’beggingcalls.Inaddition,theteamsetupaseparateexperimentthatsuggestedthatthebabybirdsthatmostcloselyimitatedtheirmom’svoicewererewardedwiththemostfood.Thisobservationhintsthateffectiveembryoniclearningcouldsignalneurological(神经系统的)strengthsofchildrentoparents.Anevolutionaryinferencecanthenbedrawn."Asaparent,doyouinvestinqualitychildren,ordoyouinvestinchildrenthatareinneed?"Kleindorferasks."Ourresultssuggestthattheymightbegoingforquality."58.TheunderlinedphraseinParagraph1means" ".A.betheworstB.bethebestC.bejustasbadD.bejustasgood59.WhatareKleindorfer’sfindingsbasedon?A.Similaritiesbetweenthecallsofmomsandchicks.B.TheobservationoffairywrensacrossAustralia.C.ThedatacollectedfromQueensland’slocals.D.Controlledexperimentsonwrensandotherbirds.60.Embryoniclearninghelpsmotherbirdstoidentifythebabybirdswhich .A.canreceivequalitysignalsB.areinneedoftrainingC.fittheenvironmentbetterD.maketheloudestcall9.【2017·江苏卷，D】OldProblem,NewApproachesWhilecleanenergyisincreasinglyusedinourdailylife,globalwarmingwillcontinueforsomedecadesafterCO2 emissions(排放)peak.Soevenifemissionsweretobegintodecreasetoday,wewouldstillfacethechallengeofadaptingtoclimatechange.HereIwillstresssomesmarterandmorecreativeexamplesofclimateadaptation.,优点英语Whenitcomestoadaptation,itisimportanttounderstandthatclimatechangeisaprocess.Wearethereforenottalkingaboutadaptingtoanewstandard,buttoaconstantlyshiftingsetofconditions.Thisiswhy,inpartatleast,theUSNationalClimateAssessmentsaysthat:"Thereisno ‘one-sizefitsall’adaptation."Nevertheless,therearesomeactionsthatoffermuchandcarrylittleriskorcost.Aroundtheworld,peopleareadaptinginsurprisingways,especiallyinsomepoorcountries.FloodshavebecomemoredamaginginBangladeshinrecentdecades.MohammedRezwansawopportunitywhereotherssawonlydisaster.Hisnot-for-profitorganizationruns100riverboatsthatserveasfloatinglibraries,schools,andhealthclinics,andareequippedwithsolarpanelsandothercommunicatingfacilities.Rezwaniscreatingfloatingconnectivity(连接)toreplacefloodedroadsandhighways.Butheisalsoworkingatafarmorefundamentallevel:hisstaffshowpeoplehowtomakefloatinggardensandfishpondstopreventstarvationduringthewetseason.ElsewhereinAsiaevenmoreastonishingactionsarebeingtaken.ChewangNorphellivesinamountainousregioninIndia,whereheisknownastheIceMan.Thelossofglaciers(冰川)thereduetoglobalwarmingrepresentsanenormousthreattoagriculture.Withouttheglaciers,waterwillarriveintheriversattimeswhenitcandamagecrops.Norphel’sinspirationcamefromseeingthewasteofwateroverwinter,whenitwasnotneeded.Hedirectedthewastedwaterintoshallowbasinswhereitfroze,andwasstoreduntilthespring.Hisfieldsoficesupplyperfectlytimedirrigation(灌溉)water.Havingcreatedninesuchicereserves,Norphelcalculatesthathehasstoredabout200,000m3ofwater.Climatechangeisacontinuingprocess,soNorphel’sicereserveswillnotlastforever.Warmingwillovertakethem.Butheisprovidingafewyearsduringwhichthefarmerswill,perhaps,beabletofindothermeansofadapting.IncreasingEarth’sreflectivenesscancooltheplanet.InsouthernSpainthesuddenincreaseofgreenhouses(whichreflectlightbacktospace)haschangedthewarmingtrendlocally,andactuallycooledtheregion.WhileSpainasawholeisheatingupquickly,temperaturesnearthegreenhouseshavedecreased.Thisexampleshouldactasaninspirationforallcities.Bypaintingbuildingswhite,citiesmayslowdownthewarmingprocess.InPeru,localfarmersaroundamountainwithaglacierthathasalreadyfallenvictimtoclimatechangehavebegunpaintingtheentiremountainpeakwhiteinthehopethattheaddedreflectivenesswillrestorethelife-givingice.Theoutcomeisstillfarfromclear.ButtheWorldBankhasincludedtheprojectonitslistof"100ideastosavetheplanet".Moreordinaryformsofadaptationarehappeningeverywhere.Afriendofmineownsanareaoflandin,优点英语westernVictoria.Overfivegenerationsthelandhasbeentoowetforcropping.Butduringthepastdecadedecliningrainfallhasallowedhimtoplanthighlyprofitablecrops.Farmersinmanycountriesarealsoadaptinglikethis—eitherbygrowingnewproduce,orbygrowingthesamethingsdifferently.Thisiscommonsense.Butsomesuggestionsforadaptingarenot.Whenthepollutingindustriesarguethatwe’velostthebattletocontrolcarbonpollutionandhavenochoicebuttoadapt,it’sanonsensedesignedtomakethecaseforbusinessasusual.Humanbeingswillcontinuetoadapttothechangingclimateinbothordinaryandastonishingways.Butthemostsensibleformofadaptationissurelytoadaptourenergysystemstoemitlesscarbonpollution.Afterall,ifweadaptinthatway,wemayavoidtheneedtochangeinsomanyothers.65.TheunderlinedpartinParagraph2implies .A.adaptationisanever-changingprocessB.thecostofadaptationvarieswithtimeC.globalwarmingaffectsadaptationformsD.adaptationtoclimatechangeischallenging66.WhatisspecialwithregardtoRezwan’sproject?A.Theprojectreceivesgovernmentsupport.B.Differentorganizationsworkwitheachother.C.Hisorganizationmakesthebestofabadsituation.D.Theprojectconnectsfloodedroadsandhighways.67.WhatdidtheIceMandotoreducetheeffectofglobalwarming?A.Storingiceforfutureuse.B.Protectingtheglaciersfrommelting.C.Changingtheirrigationtime.D.Postponingthemeltingoftheglaciers.68.WhatdowelearnfromthePeruexample?A.Whitepaintisusuallysafeforbuildings.B.Theglobalwarmingtrendcannotbestopped.C.Thiscountryisheatinguptooquickly.D.Sunlightreflectionmayrelieveglobalwarming.69.Accordingtotheauthor,pollutingindustriesshould .,优点英语A.adapttocarbonpollutionB.planthighlyprofitablecropsC.leavecarbonemissionaloneD.fightagainstcarbonpollution70.What’stheauthor’spreferredsolutiontoglobalwarming?A.Settingupanewstandard.B.Reducingcarbonemission.C.Adaptingtoclimatechange.D.Monitoringpollutingindustries.10.【2017·浙江卷，B】GettinglesssleephasbecomeabadhabitformostAmericankids.Accordingtoanewsurvey(调查)bytheNationalSleepFoundation,51%ofkidsaged10to18gotobedat10pmorlateronschoolnights,eventhoughtheyhavetogetupearly.LastyeartheFoundationreportedthatnearly60%of7-to12-year-oldssaidtheyfelttiredduringtheday,and15%saidtheyhadfallenasleepatschool.Howmuchsleepyouneeddependsalotonyourage.Babiesneedalotofrest;mostofthemsleepabout18hoursaday!Adultsneedabouteighthours.Formostschool-agechildren,tenhoursisideal(理想的).ButthenewNationalSleepFoundationsurveyfoundthat35%of10-to12-year-oldsgetonlysevenoreighthours.Andguesswhatalmosthalfofthesurveyedkidssaidtheydobeforebedtime?WatchTV."MorechildrenaregoingtobedwithTVson,andtherearemoreopportunities(机会)tostayawake,withmorehomework,theInternetandthephone,"saysDr.MaryCarskadon,asleepresearcheratBrownUniversityMedicalSchool.Shesaystheseactivitiesatbedtimecangetkidsallexcitedandmakeithardforthemtocalmdownandsleep.Otherexpertssaypartoftheproblemischemical.Changinglevelsofbodychemicalscalledhormonesnotonlymaketeenagers’bodiesdevelopadultcharacteristics,butalsomakeithardforteenagerstofallasleepbefore11pm.Becausesleepinessissuchaproblemforteenagers,someschooldistrictshavedecidedtostarthighschoolclasseslaterthantheyusedto.Threeyearsago,schoolsinEdina,Minnesota,changedthestarttimefrom7:25amto8:30am.Students,parentsandteachersarepleasedwiththeresults.25.WhatisthenewNationalSleepFoundationsurveyon?A.Americankids’sleepinghabits.B.Teenagers’sleep-relateddiseases.C.Activitiestopreventsleeplessness.D.Learningproblemsandlackofsleep.26.Howmanyhoursofsleepdo11-year-oldsneedeveryday?A.7hours.B.8hours.C.10hours.D.18hours.27.WhydoteenagersgotosleeplateaccordingtoCarskadon?,优点英语A.Theyareaffectedbycertainbodychemicals.B.Theytendtodothingsthatexcitethem.C.Theyfollowtheirparents’examples.D.Theydon’tneedtogotoschoolearly.
