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情态动词表推测专项练习题VIP免费

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1.Look!Thelightisoutinherroom.She————tobedalready.A.mustgoB.hadtogoC.musthavegoneD.hasgone2.Wehadawonderfultimeyesterday.You————.Whydidn'tyoucome?A.hadtocomeB.shouldhavecomeC.mighthavecomeD.musthavecome3.─Therewerealreadyfivepeopleinthecarbuttheymanagedtotakemeaswell.─It______acomfortablejourney.A.can'tbeB.shouldn'tbeC.mustn'thavebeenD.couldn'thavebeen4.MysistermethimattheGrandTheatreyesterdayafternoon,sohe___yourlecture.A.couldn'thaveattendedB.needn'thaveattendedC.mustn'thaveattendedD.shouldn'thaveattended5.Iwasreallyanxiousaboutyou.You_____homewithoutaword.A.mustn'tleaveB.Shouldn'thaveleftC.Couldn'thaveleftD.needn'tleave6.Oh,I’mnotfeelingwellinthestomach,I_____somuchfriedchickenjustnow.A.shouldn’tcutB.mustn’thaveeatenC.shouldn’thaveeatenD.mustn’teat7.Mr.White_____at8:30forthemeeting,buthedidn’t’showup.A.shouldhavearrivedB.shouldarriveC.shouldhavehadarrivedD.shouldbearriving8.You______betired-you'veonlybeenworkingforanhour.A.mustnotB.won'tC.can'tD.maynot9.-Isn'tthatAnn'shusbandoverthere?-No,it_______behim-I'msurehedoesn'twearglasses.A.can'tB.mustnotC.won'tD.maynot10.There____beanydifficultyaboutpassingtheroadtestsinceyouhavepractisedalotinthedrivingschool.A.mustn’tB.shan’tC.shouldn’tD.needn’t11.Iwasonthehighwaywhenthiscarwentpastfollowedbyapolicecar.They______atlease150kmanhour.A.shouldhavebeendoingB.musthavebeendoingC.couldhavedoneD.wouldhavedone12.He_____havecompletedhiswork;otherwise,hewouldn’tbeenjoyinghimselfbytheseaside.A.shouldB.mustC.wouldn’tD.can’t13.----ThewomanbiologiststayedinAfricastudyingwildanimalsfor13yearsbeforeshereturned.----Oh,dear!She_______alotofdifficulties!A.maygothroughB.mightgothroughC.oughttohavegonethroughD.musthavegonethrough14.Thiscakeisverysweet.You__________alotofsugarinit.A.shouldputB.couldhaveputC.mightputD.musthaveput15.—Catherine,Ihavecleanedtheroomforyou.—Thanks.Youit.Icouldmanageitmyself.A.needn’tdoB.needn’thavedoneC.mustn’tdoD.shouldn’thavedone16.—Tomisneverlateforwork.Whyisheabsenttoday?—Something________tohim.A.musthappenB.shouldhavehappenedC.couldhavehappenedD.musthavehappenedTheUniquenessofFinger-prints(指纹的唯一性)难度:****词数:266标准时间:6分钟完成时间:______正确数:______Everyhumanbeinghasaunique①arrangementoftheskinonhisfingersandthisarrangementisunchangeable.Scientistsandexpertshaveprovedtheuniquenessoffinger-printsanddiscoveredthatnoexactlysimilarpatternispassedonfromparentstochildren,thoughnobodyknowswhythisisthecase.Theridgestructureonaperson’sfingersdoesnotchangewithgrowthandisnotaffectedbysurfaceinjuries.Burns,cutsandotherdamagetotheouterpartoftheskinwillbereplacedintimebynewone,whichbearsareproductionoftheoriginal②pattern.Itisonlywhentheinnerskinisinjuredthatthearrangementwillbedestroyed.Somecriminalsmakeuseofthisfacttoremovetheirownfinger-printsbutthisisadangerousandraresteptotake.Finger-printscanbemadeveryeasilywithprinter’sink.Theycanbyrecordedeasily.Withspecialmethods,identification③canbeachievedsuccessfullywithinashorttime.Becauseofthesimplicityandeconomyofthissystem,finger-printshaveoftenbeenusedasamethodofsolvingcriminalcase.Asuspectedmanmaydenyachargebutthismaybeinvain.Hisfinger-printscanprovewhoheisevenifhisappearancehasbeenchangedbyageoraccident.Whenasuspectleavesfinger-printsbehindatthesceneofacrime,theyaredifficulttodetectwiththenakedeye.Specialtechniquesareusedto“develop”them.Someofthemarksfoundareincompletebutidentificationispossibleifaprintofaquarterofaninchsquarecanbeobtained.()1.Scientistsandexpertshaveprovedthatthepatternofahumanbeing’sfingerskin________.A.issimilartohismother’sB.isvaluabletohimselfonlyC.islikethatofotherswiththesametypeofbloodD.isdifferentfromthatofallothers()2.Ifyourfingersarewoundedbyknife,fireorothermeans,thestructureofskinwill________.A.bechangedpartlyB.bereplacedbyadifferentoneC.bethesamewhenthewoundisrecoveredD.becomeugly()3.Somecriminalsremovetheirownfinger-printsby________.A.usingprinter’sinkB.injuringtheinnerskinC.damagingtheouterskinD.damagingthecolour()4.Finger-printshaveoftenbeenusedasamethodofsolvingcriminalcasebecauseit________.A.iscomplicatedbutreliableB.issimpleandnotexpensiveC.isexpensivebuteasytodoD.canbringalotofmoney

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情态动词表推测专项练习题

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