绵阳市2013高考英语阅读理解三月天天练（2）及答案Whenitcomestoyourskin,thereisanimportantfactthatyoumustkeepinmind:Yourskinisthelargestorganofyourbody.Asanobviousresult,skinhealthandmaintenance(保养)isvital.Yourskindoeseverythingfromprotectingyoufromtheelementstoassistingyouwithbreathing.Yourskinkeepsyourbodyhydrated(含水的)andregulatesyourbody'stemperature.Intheend,thisreallyisonlythebeginningofallofthevariousvitalfunctionsthatyourskinprovidestoyou.Despitetheextremeimportanceofaperson'sskin,therealityisthatmanypeoplesimplydonotpaymuchattentiontoissuesrelatingtothehealthoftheirskin.Withthatinmind,therearesomeprimetipsandpointersthatyoumustalwayskeepinmindwhenitcomestothehealthandprotectionofyourskin.Protectionagainstharmfulraysfromthesunisoneofthemostimportantstepsthatyouneedtotake.Withthisinminditisvitallyimportantthatyoumakecertainyouusesolidprotectionwhenyougooutintothesun.Yourdietalsohasadirecteffectonthehealthofyourskin.Themostimportantaspectofyourdietinrelationtothehealthofyourskinistomakecertainthatyoueataproperamountoffooditemsthatcontaintheproteinsandnutrientsnecessaryforyourskin’shealth.Waterisalsoimportanttothehealthofyourskin.Whileyoucertainlyhavehearditbefore,itactuallyistruethatyoushoulddrinkatleasteight8-ounceglassesoffreshandpurewatereverydaytokeephealthyskin.Finally,whenitcomestothehealthofyourskintodayandintothefutureyoushouldavoidsmokingalltogether.Inaddition,youshoulddrinkalcoholonlyinmoderation.Bothsmokingandtoomuchalcoholconsumptioncannegativelyaffectthehealthofyourskininsignificantways.64.Theunderlinedword“elements”inthefirstparagraphprobablyrefersto______.A.badweatherB.afavorableenvironmentC.allthechemicalsD.thecellsmakinguptheskin65.Thewriterlistssomeofthefunctionsofskininthebeginningpartto______.A.makeananalysisofthemaintopicofthepassageB.drawreaders’attentiontothemaintopicofthepassageC.giveabriefintroductiontothemaintopicofthepassageD.givethereadersasummaryofthemaintopicofthepassage66.Whichofthefollowingdoesnothelpmaintainthehealthofskin?A.Drinkingheavyalcohol.B.Takingproperdietinone’slife.C.Usingsolidprotectionwhenexposedtothesun.D.Drinkingenoughfreshandpurewatereveryday.-5-\n67.Whichofthefollowingmightbethemostpropertitleoftheabovepassage?A.Anessentialorganofourbody.B.Tipsforsoftandsmoothskin.C.Habitsandskinhealth.D.Howtokeepourskinhealthy.参考答案64—67、ABAD***********************************************结束Itishardtogoafterthebluewhale,theocean’slargestcreature,whichhasalmostbeenkilledoffbycommercialwhalingandisnowlistedasanendangeredspecies.Attachingradiodevicestoitisdifficult,andsightingswithbareeyesaretoounreliabletogiverealinsightintoitsbehavior.Sobiologistsweredelightedearlythisyearwhen,withthehelpoftheNavy,theywereabletotrackaparticularbluewhalefor43days,monitoringitssounds.ThiswaspossiblebecauseoftheNavy’sformerlytop-secretsystemofunderwaterdetecting（探测）devicesacrosstheoceans.Trackingwhalesisbutoneexampleofanexcitingnewworldjustopeningtocivilian（平民的）scientistsafterthecoldwarastheNavystartstoshareandpartlyuncoveritsglobalnetworkofunderwaterlisteningsystembuiltoverthedecadestotracktheshipsofpotential（潜在的）enemies.Earthscientistsannouncedatanewsconferencerecentlythattheyhadusedthesystemforcloselymonitoringadeep-seavolcaniceruption（爆发）forthefirsttimeandthattheyplansimilarstudies.Otherscientistshaveproposedtousethenetworkfortrackingoceancurrentsandmeasuringchangesinoceanandglobaltemperatures.Thespeedofsoundinwaterisroughlyonemileasecond—slowerthanthroughlandbutfasterthanthroughair.Whatismostimportant,differentlayersofoceanwatercanactaschannelsforsounds,focusingtheminthesamewayastethoscope（听诊器）doeswhenitcarriesfaintnoisesfromapatient’schesttoadoctor’sear.Thisfocusingisthemainreasonthatevenrelativelyweaksoundsintheocean,especiallylow-frequencyones,canoftentravelthousandsofmiles.51.Thepassageischieflyabout________.-5-\nA）anefforttoprotectanendangeredseaspeciesB）thecivilianuseofamilitarysystemC）theintroductionofaU.S.Navytop-secretweaponD）anewwaytolookintothebehaviorofbluewhales52.Theunderwaterlisteningsystemwasoriginallydesigned________.A）todetectandlocateenemyboatsB）tomonitordeep-seavolcaniceruptionsC）tostudythemovementofoceancurrentsD）toreplacetheglobalradiocommunicationsnetwork53.Whatistheclosestmeaningoftheunderlinedword“totrack”inthesecondparagraph?A）tostudyB）tofightagainstC）tofollowD）totrytokill54.Itcanbeinferredfromthepassagethat________.A）newradiodevicesshouldbedevelopedfortrackingtheendangeredbluewhalesB）bluewhalesarenolongerendangeredwiththeuseofthenewlisteningsystemC）opinionsdifferastowhethercivilianscientistsshouldbeallowedtousemilitarytechnologyD）militarytechnologyhasgreatpotentialusesoutsidesthemilitaryforces55.WhichofthefollowingistrueabouttheU.S.Navyunderwaterlisteningnetwork?A）Itisnowpartlyaccessibletocivilianscientists.B）Ithasbeenreplacedbyamoreadvancedsystem.C）Itbecameuselesstothemilitaryafterthecoldwar.D）Itisamustinprotectingendangeredspecies.参考答案51-55BACDA********************************************************结束-5-\nDJapanesedoctorshaveusedthinsheetsoftissuefrompeople’scheekstorepairdamagedcorneas(角膜).AteamfromOsakaUniversitytransplantedthinlayersofcheekcellsontotheeyesoffourpatientswitharareandpainfuleyecondition,reportsBBConline.Patientswhosevisionhadbeencloudycouldseewellafterwards,andthe“newcorneas”remainedclearmorethanayearaftertheoperation.Doctorscanalsotakecellsfromahealthyeyeandgrowtheminadishtoproduceanewcornea,ortheycantransplantcorneasfromdonors.Butthesetechniquesmaynotworkwhenbotheyesaretoobadlydamagedbyaccidentordisease.Theteamhopestheirworkmayhelpsolvetheproblemandleadtoothertypesofgrow-your-owntissuetransplants.Thecorneaistheclearlayerofcellsonthesurfaceoftheeye.Itcanbedamagedbytrauma(外伤)orbyarangeofdiseases.Theteamworkedwithfourpatientswhohadapainfulconditionthatcausedcloudycorneasanddryeyes.Oftentheeyecanregeneratecorneacellsbutnoneofthefourpatientshadthisability.Theresearcherstooka3mm-widesquareoftissuefrominsidethemouth(cheeks)andgrewitintoathinlayerinthelab.Theyusedaspeciallow-temperaturetechniquetoseparateaverythinsheetoffeachbatch(组).Theythenlaidthatontothepatient’seye.Thecelllayersstuckontotheeyeanddevelopedintotissuethatlookedandactedlikeahealthycornea.However,long-termfollow-upandexperiencewithalargeseriesofpatientsareneededtoassessthebenefitsandrisksofthismethod.“Yet,itdoesofferthepotentialoftreatingsevereeyediseasesthatareresistanttostandardapproaches,”saidtheheadoftheresearch,KohjiNishida.68.NowdoctorscanrepairthedamagedcorneaswiththefollowingmethodsEXCEPT______.A.usingmouthtissueB.takingcellsfromahealthyeyeandgrowingtheminadishC.transplantingcorneasfromanotherpersonD.usingfingertissue69.Ifbotheyesaretoobadlydamaged,wecantreatthem______.A.onlybyusingmouthtissueB.bytakingcellsfromahealthyeyeandgrowingtheminadishC.bytransplantinghealthycorneasfromdonorsD.bynoneofthementionedmethods70.Wecaninferfromthepassagethat______.A.thenewtechniquecanbewidelyusedintheoperationsB.thenewtechniqueneedstobefurthertestedC.thenewtechniquehasmorebenefitsthanrisksD.anynewtechniquehasrisks71.Whichofthefollowingisthebesttitle?A.ANewInventiononEyeProtection.B.ANewTechniqueabout-5-\nEyes.C.MouthTissueCanRestoreYourVision.D.TransplantingCanRestoreYourVision.参考答案68—71、DDBC**************************************************结束-5-
