每日一练08JoeSimpsonandSimonYateswerethefirstpeopletoclimbtheWestFaceoftheSiulaGrandeintheAndesmountains.Theyreachedthetop1,butontheirwaybackconditionswerevery2.Joefellandbrokehisleg.ButSimondecidedtoriskhis3andtrytolowerJoedownthemountainonarope.Asthey4down,theweathergotworse.Thenanother5occurred.Theycouldn’tseeorheareachotherand,by6,Simonloweredhisfriendovertheedgeofaprecipice(峭壁).Itwas7forJoetoclimbbackorforSimontopullhimup.Joe’s8waspullingSimonslowlytowardstheprecipice.Finally,aftermorethananhourinthedarkandtheicycold,Simonhadtomakea(n)9.Intears,hecuttherope.Joe10intoalargecrevasse(裂缝)intheicebelow.Hehadnofoodorwaterandhewasinterriblepain.Hecouldn’twalk,buthe11togetoutofthecrevasseandstartedto12towardstheircamp,nearlytenkilometers13.Simonhad14thecampatthefootofthemountain.HethoughtthatJoemustbe15,buthestillhopedforamiracle(奇迹).Threedayslater,inthemiddleofthenight,heheardJoe’svoice.Hecouldn’tbelieveit.Joewasthere,afewmetersfromtheirtent,stillalive.1.A.hurriedlyB.carefullyC.successfullyD.early2.A.difficultB.similarC.specialD.normal3.A.fortuneB.timeC.healthD.life4.A.layB.settledC.wentD.looked5.A.damageB.stormC.changeD.trouble6.A.mistakeB.chanceC.choiceD.luck7.A.unnecessaryB.practicalC.importantD.impossible8.A.heightB.weightC.strengthD.equipment9.A.promiseB.planC.decisionD.attempt10.A.jumpedB.fellC.escapedD.backed11.A.managedB.plannedC.waitedD.hoped12.A.runB.skateC.moveD.march13.A.aroundB.awayC.aboveD.along14.A.headedforB.travelledC.leftforD.returnedto15.A.deadB.hurtC.weakD.lateTherehasbeenarecenttrendinthefoodserviceindustrytowardlowerfatcontentandlesssalt.Thistrend,16wasstartedbythemedicalcommunitywithamethodoffightingheartdisease,hashadsomeunintendedside17suchasoverweightandheartdisease—theverythingthemedicalcommunitywastryingtofight.Fatandsaltareveryimportantpartsofadiet.Theyarerequired18(process)thefoodthatweeat,torecover19injuryandforseveralotherbodilyfunctions.Whenfatandsalt20(remove)fromfood,thefoodtastesasifitismissingsomething.Asaresult,peoplewilleatmorefoodtotrytomakeupforthatsomethingmissing.Even21(bad),the\namountoffastfoodthatpeopleeat22(go)up.Fastfoodisfulloffatandsalt;byeatingmorefastfoodpeoplewillgetmoresaltandfatthantheyneedintheirdiet.23(have)enoughfatandsaltinyourmealswillreducetheurgetosnack(吃点心)betweenmealsandwillimprove24tasteofyourfood.However,becarefulnottogotoextremes.Likeanything,itispossibletohavetoomuchofboth,whichisnotgoodforthe25(healthy).Theircheerysongbrightensmanyawinter’sday.Butrobinsareindangerofwearingthemselvesoutbysingingtoomuch.Robins(知更鸟)aresingingallnight—aswellasduringtheday,British-basedresearcherssay.DavidDominoni,ofGlasgowUniversity,saidthatlightfromstreetlamps,takeawaysignsandhomesisaffectingthebirds’biologicalclock,leadingtothembeingwideawakewhentheyshouldbeasleep.Dr.Dominoni,whoisputtingcamerasinsidenestingboxestotracksleepingpatterns,saidlackofsleepcouldputthebirds’healthatrisk.Hisstudyshowsthatwhenrobinsareexposedtolightatnightinthelab,itleadstosomegenesbeingactiveatthewrongtimeofday.Andthemorebirdsareexposedtolight,themoreactivetheyareatnight.Hetoldpeopleataconference,“Therehavebeenacoupleofstudiessuggestingtheyareincreasingtheirsongoutputatnightandduringthedaytheyarestillsinging.Singingisacostlybehaviourandittakesenergy.Sobyincreasingtheirsongoutput,theremightbesomecostsofenergy.”Anditisnotjustrobinsthatarebeingkeptawakebyartificiallight.Blackbirdsandseagullsarealsobeingmorenocturnal.DrDominonisaid,“InGlasgowwhereIlive,gullsareaseriousproblem.Ihavepeoplecomingtomesaying“Youarethebirdexpert.Canyouhelpuskillthesegulls?Duringthebreeding(繁殖)season,betweenAprilandJune,theyareveryactiveatnightandverynoisyandpeoplecan’tsleep.”AlthoughDrDominonihasonlystudiedlightpollution,otherresearchconcludedthatrobinslivinginnoisycitieshavestartedtosingatnighttomakethemselvesheardoverloudnoise.26.AccordingtoDrDominoni’sstudy,whatcauserobinstosingsomuch?A.Thebreedingseason.B.ThelightinmodernC.Thedangerousenvironment.D.Thenoisefromheavymachinery.27.Whatistheresearchers’concernovertheincreaseofbirds’songoutput?A.Theenvironmentmightbepolluted.B.Theindustrycostmightbeincreased.C.Thebirds’healthmightbedamaged.D.Thepeople’shearingmightbeaffected.28.Whatdoestheunderlinedword“nocturnal”inParagraph5mean?A.Activeatnight.B.Inactiveatnight.C.Activeduringtheday.D.Inactiveduringtheday.29.Whatdoweknowaboutrobinslivinginnoisycitiesaccordingtothetext?A.Theyhearpeoplemakeloudnoise.B.Theystopsingingbecauseoftheloud\nnoise.C.They’rekilledbecausetheymakemuchnoise.D.Theyraisetheirvoicetosingatnight.答案：1-5CADCD6-10ADBCB11-15ACBDA16.which17.effects18.toprocess19.from20.areremoved21.worse22.goes23.Having24.the25.health26-29BCAD
