Unit3ComputersⅠ.单项填空1．Isawawomanrunningtowardmeinthedark.BeforeIcouldrecognizewhoshewas，shehadrunbackinthedirection________shehadcome.A．ofwhichB．bywhichC．inwhichD．fromwhich2．Manyscientistshavebelievedthattheremaybea________oflifeontheMar.A．signalB．signC．markD．sigh3．Iknew________JohnLennon，butnot________famousone.A．/；aB．a；theC．/；theD．the；a4．She________hereyesfromherbook.A．roseB．arousedC．raisedD．BandC5．—Wouldyoulikesomemoresoup?—________.Itisdelicious,butI’vehadenough.A．Yes，pleaseB．No，thankyouC．NothingmoreD．I’dlikesome6．________thequestionsputforward，hefeltveryhappy.A．SolvedB．HavingsolvedC．SolvingD．Tosolve7．Millionsofpounds’worthofdamage________byastormwhichsweptacrossthenorthofEnglandlastnight.A．hasbeencausedB．hadbeencausedC．willbecausedD．willhavebeencaused8．—Howaboutgoingdowntownthismorning?—Well...，it’sabittoocoldoutside.And________，I’vegottodosomehousework.A．somewayB．anywayC．somehowD．somewhat9．Don’tbelievehim.He________astory.A．makesupB．ismakingupC．makesupofD．ismakingout10．________thecaraccident，Jacksoncouldn’tworkanylonger.A．AsaresultB．AsaresultofC．AstheresultD．Asresultof11．Hestudysveryhard.I’msureheis________thewaytobecomingacollegestudent.A．onB．inC．atD．by12．—Howdoyou________adisagreementbetweenthecompanyanditscustomers?—Thekeytosolvingtheproblemistomeetthedemandmadebythecustomers.A．makedowithB．dowithC．handlewithD．dealwith13．________abouttheeconomiccrisisthathedecidedtolookformoreinformationaboutit.A．SocurioushewasB．SocuriouswasheC．SuchcurioushewasD．Suchcuriouswashe14．Icouldn’tdomyhomeworkwithallthatnoise________.A．goingonB．goesonC．wentonD．togoon15．Thenewstoryiswrittenin________easyEnglish________evenbeginnerscanunderstandit.A．such；thatB．so；thatC．such；asD．too；thatⅡ.阅读理解RachelCarsonwasbornonMay27,1907inPennsylvania.HermotherbequeathedheradeeploveofnatureandthelivingworldthatRachelexpressedfirstasawriterandlaterasastudentofmarinebiology.CarsongraduatedfromPennsylvaniaCollegeforWomenin1929andstudiedattheWoodsHoleMarineBiologicalLaboratory.Shereceivedhermaster’sdegreeinzoologyfromJohnsHopkinsUniversityin1932.SheworkedfortheU．S.BureauofFisheries，writingradioscriptsduringtheDepression(经济大萧条)toincreaseherincomewritingfeaturearticlesonnaturalhistoryfortheBaltimoreSun.Shebegana15yearcareerinthefederalserviceasascientistandeditorin1936androsetobecomeEditorinChiefofallpublicationsfortheU．S.FishandWildlifeService.Shewrotebooksonconservation(保护)andnaturalresourcesandeditedscientificarticles，butinherfreetimeturnedhergovernmentresearchintoprose(散文)，firstasanarticleUndersea(1937)，andtheninabook，UndertheSeaWind(1941)．In1952shepublishedherprizewinningstudyoftheocean，TheSeaAroundUs，whichwasfollowedbyTheEdgeoftheSeain1955.Thesebooksmadeupabiography(传记)oftheoceanandmadeCarsonfamousasanaturalistandsciencewriterforthepublic.Carsonresignedin1952todevoteherselftoherwriting.Shewroteseveralotherarticlesdesignedtoteachpeopleaboutthewonderandbeautyofnature，includingHelpYourChildtoWonder(1956)andOurEver-ChangingShore(1957)，andplannedanotherbookonecology.InCarson’swriting，sheexpressedherviewthathumanbeingswereonlypartofnature.Disturbedbytheoveruseofchemicalpesticides(杀虫剂)afterWorldWarⅡ，Carsonchangedherfocusinordertowarnthepublicaboutthelongtermeffectso...
