大学英语III-考前辅导

PAGE大学英语III考前辅导PartI.VocabularyandStructureDirections:Inthissectionthereare35incompletesentences.ForeachsentencetherearefourchoicesmarkedA,B,CandD,andchoosetheONEanswerthatbestcompletesthesentence.ThenmarkthecorrespondingletterontheAnswersheetwithasinglelinethroughthecenter.Ifyoutakethismedicinetwiceaday,itshould______yourcold.A.heal B.cure C.treat D.recover2.WhenMr.Blackretired,hisson______thebusinessfromhim. A.tookin B.tookover C.tookafter D.tookoff3.Fatherfollowedthedoctor’s______aswhentogivehissonmedicines. A.conclusion B.regulation C.consideration D.instruction4.Itwas____thattherestaurantdiscriminatedagainstblackcustomers.A.addictedB.alleged C.assaultedD.ascribed5.Theblindlittleboywasalwaysinterestedinwhat’s______aroundhim. A.comingout B.passingby C.turningout D.goingon6.Itseemedtomethattheonlythingthatwastogetherhusbandbacktoher.A.matterB.matteredC.wouldmatterD.couldmatter7.______enough,heshoulddiscusswithmeastowhenheshouldgetmarried. A.Strangely B.Obviously C.Strange D.Obvious8.Herhealthhasbeenaffected,andmay______altogetherifthestraincontinues. A.breakdown B.breakoff C.breakout D.breakup9.I’dliketo______thisoldcarforanewmodel,butIcan’taffordit. A.interchange B.exchange C.replace D.convert10.Itisvirtuallyimpossibletoestimatethenumberofpeopleintheworldwhohaveacquiredan______workingknowledgeofEnglishinadditiontotheirownlanguages.A.effectiveB.adequateC.efficientD.accurate11.Uponhisshamelessact,Icouldhardly______myindignation. A.holdon B.holdto C.holdback D.holdup12.Insteadofgivingafaithfuldescriptionoftheevent,hepresentedarather____pictureofwhathadhappened.A.distortedB.twisted C.falseD.perverted13.Hewasso______fromthingsaroundhimthatIwonderedwhetherhedidlistentowhatIsaidjustnow. A.separated B.dispatched C.detached D.touched14.Ifyouhaveacar,youcanmovearoundfreely,soyouwillnolongerbeforcedtorelyonpublic______andwillnotbecompelledtoworklocally.A.transformB.transportC.transplantD.transfer15.Therewere50peopleintherestaurantwhenthebombblew______. A.up B.over C.out D.in16.Youressay,onthewhole,isgood,butitistoolongandhastobe______. A.written B.made C.taken D.cut17.Hewouldgiveno______forhisbehavior. A.reason B.aim C.target D.cause18.I______youhadreturnedthebookyesterday. A.want B.wouldrather C.like D.hadbetter19.Thepolicelooked______thepastrecordofthesuspect. A.in B.after C.into D.upto20.Thereisno______inapplyingforthatjobasyouarenotproperlyqualified. A.reason B.result C.chance D.point21.Hehappenedtofallonthegroundand_____allthebookshehadheldinhisarms. A.loosed B.dropped C.disappeared D.lost22.IfIhadlookedlessrespectable,_____thatIwouldhavebeenfoundguilty.A.thereiseverychance B.achanceexiststosayC.Ihaveachance D.chanceswillstand23.Havethis,andyourfeverwillsoonbe______. A.broughtup B.broughtback C.broughtabout D.broughtdown24.Everyonehastobewell______fortonight’sparty. A.dressed B.decorated Ctailored D.turned25.IwishIlongerthismorning,butIhadtogetupandcometoclass.A.havesleptB.mighthavesleptC.sleptD.couldhaveslept26.Thereareseveralcharacteristicsofthetextbook______attention. A.worthwhile B.worthof C.worthy D.worthyof27.The______driverthinksthataccidentsonlyhappentootherpeople. A.most B.usual C.average D.general28.Wewillfindalotoftimeandwaystogooveryourreadinginclassbeforethe______time. A.due B.precise C.exact D.correct29.Hedidn’t______hismotherthathewastellingthetruth. A.admit B.insure C.convince D.believe30.Theeffectoftheshockwillsoon______. A.weardown B.wearaway C.wearoff D.wearout31.Theboykeptgazingattheskylongaftertheplanehadwent______. A.outoffashion B.outofcontrol C.outofdanger D.outofsight32.Iwantmyselfandmystudentstheivorytowerandtherealworld.A.from...awayB.outoC.to...againstD.for...outof33.Uponthegunfireoftheaggressivehumanhunter,thebirdsimmediatelyflushedandsome_____innearbybushes. A.lightened B.alight C.light D.lit34.Istartedback_____acoveyclosetothehouse.A.tohavepleasedfound B.tohavefoundpleasedC.topleasedhavefound D.pleasedtohavefound35.Shefelt______anddidnothingbutsleepthewholeday. A.slack B.theslack C.slacking D.slackly36.Owninganautomobile______greaterexpensethanhehadexpected. A.entailed B.rendered C.thrust D.contributed37.Youmaygetgoodgradesbystudyingonlybeforeexaminations,butyouwillonlysucceed______bystudyinghardeveryday. A.inparticular B.inthelongrun C.inseason D.intheendof38.She______thatdifficultbookwithnotroubleatall. A.thoughtthrough B.broughtout C.caughtupwith D.breezedthrough39.Shewas______withcoldandfear,beingaloneinthedarkforest. A.sharing B.shuddering C.shattering D.shivering40.Manypeoplecaughtattherapidlyspreading______anddiedafterwards. A.sickness B.epidemic C.illness D.disease41.IlikewatchingTV_____tothecinema.A.morethantogo B.morethangoingC.thangoing D.ratherthantogo42.Thegovernmentistakingmeasurestowipeoutthose_______CDsandVCDs. A.pirating B.pirate C.pirated D.pirates43.Ihave______muchtimeandthoughtontheproblem,butIamnonearertofindingasolution. A.exposed B.expended C.exhausted D.exerted44.Thenewbuilding______alltheotherbuildingsinthetown. A.dwarfs B.distorts C.deserts D.depresses45.IfyougiveJohnanhourto______thesituation,he’lltellyouwhattodonext. A.breakup B.tieup C.takeup Dsizeup46.Thecaptainhadan______leg,madeofwood. A.inherent B.average C.artificial D.ordinary47.Iliketoaskquestions.A.answerwhichstudentsstruggledB.whatstrugglestoanswerC.thatstudentsmuststruggletoanswerD.whichanswerstruggles48.Hecouldstillrecallthat_____riverthatranthroughthevillage. A.glass-like B.glassier C.glassful D.glassy49.Everylargecityhasits_____populationofvagrants.A.shifting B.shift C.shifted D.shifts50.Agooddirectoris______toasuccessfulfilm. A.indispensable B.invariable C.intangible D.incredible51.IfMr.Smithcan’tfindajobasateacher,hecan______hisskillasaprinter. A.changeinto B.changebackinto C.fallbackon D.fallon52.Heisstillyoung,buthehasthe______towinfirstplace. A.potential B.function C.prosperity D.success53.Hedemandedahundreddollars,buthadto______halfthatamount. A.reston B.settlefor C.cutinto D.fallbackon54.“WoulditbeallrightifIleftabitearly?”“Yes,______.” A.withpleasure B.allatonce C.goonplease D.byallmeans55.Thechildrenfounda______ofbirdsinthebushes. A.covey B.litter C.set D.herd56.Einsteinwasagreatscientific____.A.talentB.intelligence C.giftD.genius57.Atclearnight,onecanseethestars______inthesky. A.threw B.scattered C.spread D.sowed58.Don’t____thenewstothepublicuntilwegiveyouthego-ahead.A.releaseB.discard C.relieveD.retain59.Allourhopesofrebuildingthebusiness______thisnewproduct. A.consistof B.reston C.liein D.bringabout60.Iwishhewould______fromscatteringhisashalloverthecarpet. A.prevent B.refrain C.shelter D.protectPartII:ReadingComprehensionDirections:Therearefourpassagesinthispart.Eachpassageisfollowedbyfivequestions.ForeachquestiontherearefourchoicesmarkedA,B,CandD.YoushoulddecideonthebestchoiceandmarkthecorrespondingletterontheAnswersheetwithasinglelinethroughthecenter.（1） Notlongago,Ifacedanenjoyableyetformidablechallenge.IwasreturningtomyoldneighborhoodintheSouthBronxtospeaktothestudentsofmoldschool,MorrisHigh.AswedrovedownstreetswheremyfriendGeneNormanandIusedtoracebicycles,Ithoughtofthepitfallsawaitingthekidslivinghere,thedrugs,thetemptations,andthecrime.WhatcouldIsaytoencouragethem? AswepassedthehamburgerplacethatIusedtohaunt,Irememberedmygrowing-upyearshere,thejoys,thesorrows,andthechoices.Eventhenkidsfacechoices.Thereweredrugsinmyneighbourhoodandayoungstercouldgaineasyaccesstothemiftempted.Butinmyfamily,thedecisionwassimple:youjustdidn’tdoit.Weknewitwasstupidandthemostself-destructivethingyoucoulddowiththelifeGodhadgivenyou. Atageof17Ifoundasummerjobinalocalsoft-drinkbottlingplantat90centsanhour.Iwasthrilled.Onmyfirstdayofwork,havingjoinedtheranksofothernewlyhiredteenagers,Iwasfullofenthusiasm.Thebottlingmachinescaughtmyeye,butonlythewhiteboysworkedthere.Iwashiredasaportedandtheforemanhandedmeamop.Igottowork.Imoppedwhatseemedlikeacresofsticky,cola-stainedfloorIdecidedtobethebestmopwielderthereeverwas.Righttoleft,lefttoright.Onedaysomeonelet50casesofcolacrashtothecement,andbrownstickyfoamcascadedacrossthefloor.ItwasalmostmorethanIcouldbear.ButIkeptonmopping.Righttoleft,lefttoright. Asourcarrolledon,ourdriver’svoicebrokemyreverie.“we’rehere,General.”Ilookedupatmyoldschool’ithadn’tchangedmuch.AsIwalkedupitsfamiliarstonestepsIrememberedacingupthemtobeatthebell.Thesettingformytalktothestudentbodywasthegymnasium. “Irememberthisplace”,Itoldthestudents.“Irememberitall.IrememberrunningthroughVanCortlandParkwiththetrackteam,theroutIusedtotakeeachdayfrommyhometoKellyStreettoschool.” “Ialsoremember,uponoccasions,experiencingthefeeling‘youcan’tmakeit’”,Icontinued.“Butyoucan.WhenIwascomingup,opportunitieswerelimited.Butnowtheopportunitiesaretheretobeanythingyouwanttobe.Butwantingtobeisn’tenoughdreamingaboutitisn’tenough.You’vegottostudyforit,workforit,fightforitwithalyourheart,energyandsoulsothatnothingwillbedeniedyou. Iwantedthemtomaketherightchoices,toworkhardandnotlosesightofadream.AndIwantedthemtoknowthatsomeoneisalwayswatching.1.Whydoestheauthorsaythathefacedanenjoyableyetformidablechallenge?Because______ A.hewasverymuchafraidofreturningtohisoldneighborhood B.hewasgoingtomakeaspeechtoschoolboysandschoolgirlsofMorrisHigh C.hisoldneighborhoodisproblematicwithdrugs,temptationandcrimes D.therearepitfallsontheroadhiscarwasdrivenonandthisworriedhim2.Theauthorthinksitwas______forkidstofacechoiceswhenhewasyoung. A.verydifficult B.onlynatural C.notveryeasy D.reallyasadthing3.Accordingtotheauthor,thestupidandthemostself-destructivethingyoucoulddowiththelifeGodhadgivenyouis_________. A.togeteasyaccesstochoices B.togetaddictedtodrugs C.tohauntaroundthehamburgerplace D.toresistthetemptationofdrugs4.Inthesentence,“Asourcarrolledon,ourdriver’svoicebrokemyreverie”.Theword“reverie”heremeans________. A.apieceofdreamymusic B.fantasticnotionortheory C.delusion D.musingstate5.Whichstatementistrueaccordingtothearticle?_______. A.Theauthorwasveryexcitedabouthisfirstjob B.Theauthorwasthebestmopwielderthereeverwas C.Theauthorwentbacktohisoldschoolasageneral D.Theauthorbelievedthatyoucanbecomeanythingyouwant(2)MyWonderfulLousyPoemWhenIwaseightornineyearsold,Iwrotemyfirstpoem.Mymotherreadthelittlepoemandbegantocry."Buddy,youdidn'treallywritethisbeautiful,beautifulpoem!"Shyly,proudbursting,Istammered（结结巴巴地说）thatIdid.Mymotherpouredoutherpraise.Why,thispoemwasnothingshortofgenius!Iglowed."WhattimewillFatherbehome?"Iasked,IcouldhardlywaittoshowhimwhatIhadaccomplished.Mymothersaidshehopedhewouldbecomearoundseven.Ispentthebestpartofthatafternoonpreparingforhisarrival.First,Iwrotethepoemoutinmyfinestflourish（花体字）.ThenIusedcoloredcrayons（蜡笔）todrawanelaborateborderaroundit.ThenIwaited.As7o'clockdrewnear,Iconfidentlyplaceditrightonmyfather'splateonthedining-roomtable.Butmyfatherdidnotreturnatseven.Seven-fifteen.Seven-thirty.Icouldhardlystandthesuspense(悬念).Iadmiredmyfather.HewasheadofParamountStudios（派拉蒙电影公司）inHollywoodbuthehadbegunhismotionpicturecareerasawriter.Hewouldbeabletoappreciatethiswonderfulpoemofmineevenmorethanmymother.Thiseveningitwasalmost8o'clockwhenmyfatherburstin.Hewasanhourlatefordinner.Hismoodseemedthunderous.Hecouldnotsitdownbutcircledthelongdining-roomtablewithadrinkinhishand,callingdownterribleoaths（诅咒）onhisemployees."Imagine,wewouldhavefinishedthepicturetonight,"myfatherwasshouting."Insteadthatmoronsuddenlygetsitintoherbeautifulempty,littleheadthatshecan'tplaythelastscene.Sothewholecompanyhastostandthereat$1,000aminutewhilethissillylittleblankwalksofftheset!AndnowIhavetobeghertocomeback!"Hewheeled（旋转）inhispacing（踱步）,pausedandglaredathisplate.Therewasasuspensefulsilence."Whatisthis?"Hewasreachingformypoem."Ben,awonderfulthinghashappened,"mymotherbegan."Buddyhaswrittenhisfirstpoem!Andit'sbeautiful,absolutelyamaz—""Ifyoudon'tmind,I'dliketodecideformyself."Fathersaid.Ikeptmyfaceloweredtomyplateashereadthatpoem.Itwasonlytenlines.Butitseemedtotakehours.Icouldhearhimdroppingthepoembackonthetable.Nowcamethemomentofdecision."Ithinkit'slousy,"hesaid.Icouldn'tlookup.Myeyesweregettingwet."Ben,sometimesIdon'tunderstandyou,"mymotherwassaying."Thisisjustalittleboy.You'renotinyourstudionow.Thesearethefirstlinesofpoetryhe'severwritten.Heneedsencouragement.""Idon'tknowwhy,"myfatherheldhisground."Isn'tthereenoughlousypoetryintheworldalready?NolawsaysBuddyhastobecomeapoet."Icouldn'tstanditanothersecond.Iranfromthedining-roomuptomyroom,threwmyselfonthebedandsobbed.WhenIhadcriedtheworstofthedisappointmentoutofme,Icouldhearmyparentsstillquarrelingovermyfirstpoematthedinnertable.Thatmayhavebeentheendoftheanecdotebutnotofitssignificanceforme.AfewyearslaterItookasecondlookatthefirstpoem,andreluctantlyIhadtoagreewithmyfather'sharshjudgment.Itwasaprettylousypoem.Afterawhile,Iworkedupthecouragetoshowhimsomethingnew,ashortstory.Myfatherthoughtitwasoverwrittenbutnothopeless.Iwaslearningtorewrite.Andmymotherwaslearningthatshecouldcriticizemewithoutcrushingme.Youmightsaywewerealllearning.Iwasgoingon12.AsIworkedmywayintootherbooksandplaysandfilms,itbecameclearerandclearertomehowfortunateIhadbeen.Ihadamotherwhosaid,"Buddy,didyoureallywritethis?Ithinkit'swonderful!"andafatherwhoshookhisheadnoanddrovemetotearswith,"lthinkit'slousy."Awriter—infacteveryoneofusinlife—needsthatmotherforce,thelovingforcefromwhichallcreationflows;andyetthemotherforcealoneisincomplete,evenmisleading,finallydestructive.Itneedsthebalanceoftheforcethatcautions,"Watch.Listen.Review.Improve."Thoseconflictingbutcomplementary（互相补充的）voicesofmychildhoodechodownthroughtheyears—wonderful...lousy...wonderful...lousyliketwoopposingwindsbattering（连续猛击）me.Itrytosteermysmallboatsoasnottoturnoverbeforeeither.Betweenthetwopolesofaffirmation（肯定）anddoubt,bothinthenameoflove,Itrytofollowmytruecourse.1.Whenthemothercried,"Buddy,youdidn'treallywritethisbeautiful,beautifulpoem!"A.shedidn'tbelievethathersonhadreallywrittenthisbeautifulpoem.B.shewasnotsurewhetherhersonhadwrittenthispoem.C.shemeantthataneight-or-nine-year-oldboycouldnothavewrittensuchawonderfulpoem.D.shewantedtolethersonknowshewasamazedthathehadwrittensuchabeautifulpoem.2.ThatafternoontheauthorspentagreatdealoftimeA.rewritinghispoem.B.drawingpicturesaroundthepoem.C.c.D.BothAandB.3.WhichofthefollowingstatementsisNOTtrueaccordingtothenext?A.Theauthorwasconfidentthathisfatherwouldlikethepoembetterthanhismotherdid.B.Theauthor’sfatherhadonceworkedasfilmscript（剧本）writerandwasthenworkingasafilmdirector.C.Thefatherreturnedhomelateandwasveryangrythatevening.D.Theydidnotfinishthefilmbecausethemoviestarrefusedtoplaythelastscent.4.Wemayinferfromthecontextthattheword“lousy”meansA.verybadB.childish. C.meaninglessD.overwritten.5.“Myfatherheldground”couldbestbereplacedbyA.Myfatherwasshoutingloudly.B.Myfatherwasveryangry.C.Myfatherrefusedtogivein.D.Alloftheabove. 6.Onhearinghisfather’sjudgmenttheauthorfeltA.pained.B.hurt.C.disappointed.D.alloftheabove.7.Whichofthefollowingconclusionsdoyouthinktheauthormightagreewith?A.Thischildhoodeventchangedtheauthor’scourseoflifeB.Thiseventmadetheauthorallthemoredeterminedtobecomeawriter.C.Lookingbackontheeventinhischildhood,theauthorseesitinanewlightandcomestorealizeitsgreatsignificance.D.Fromhis“firstpoem”experiencetheauthorknewthathecouldneverbecomeapoet,sohestartedtoworkhiswayintostories,playsandfilms.8.TheauthoroweshissuccessasaprofessionalwriterA.tohisowncourageandconfidence.B.moretohismother’spraisethantohisfather’scriticism.C.moretohisfather’scautionthantohismother’sencouragement.D.tobothhismother’swarmencouragementandisfather’sharshjudgment.9.Quiteafewfigurativeexpressionsareusedinthestory.Twoofthemthatappearinthelastparagraph:“Itrytosteermysmallboat…”and“Itrytofollowmytruecourse”arebothA.metaphors.B.similesC.personificationsD.symbols. 10.AnothergoodtitleforthispassagemightbeA.AnAnecdoteinmyChildhood.B.TwoConflictingbutComplementaryVoices.C.AScenetoRemember.D.AnImportantLesson（3）ADoctoronNight-callIt’saprivilegetobeadoctor‘Howluckyyouaretobeadoctor’It’saprivilegetobeadoctor,isit?Anyonewho’sadoctorisrightoutofluck,Ithought.Anyonewho’sstudyingmedicineshouldhavehisheadexamined.Yousays—evendoctorshaveafewfriends—it’sallexperience.Experience!Idon’tneedsuchexperience.Ineedawarm,comfortable,undisturbedbedofmyown.Ineeditbadly.Ineedalltelephonestobethrowndownthenearestwell,that’swhatIneed.AllthesethoughtsflyroundmyheadasIdrivemyMinithroughthefoggystreetsofEastLondonat3:45a.m.onaDecembermorning.IamaministeringangelinaMiniwithaheavycoatandabagofmedicines.AsIspeeddownLeaBridgeinthedarkatthishorriblemorninghour,theswishofthemudagainstthewindows,theheaterfirstblowinghotthencold,mybackachingfromthecar-seatmadeforamisshapencamel,thefogswirlingabouttheemptypetrolstations,Idonotfeellikeaministeringangel.IwishIwereonthebeachinsouthernFrance.Callmeabaddoctorifyoulike.Callmewhatyouwill.Butdon’tcallmeathalfpastthreeonaDecembermorningforanear-achethatyouhavehadfortwoweeks.Ofcourse,beingadoctorisn’treallyallbad.Wedohaveourmoments.Occasionallypeopleareill,occasionallyyoucanhelp,occasionallyyougetgivenacupofteaandrock-hardcakeattwoo’clockinthemorning—thenyouworryifyouhavedoneeverything.Butalltoooften‘everything’isarepetitiousroutine:look,listen,feel,tap.Tablets,injection,phone,ambulance，awaytothenext.Andthenthereisalwaysthecoolwarmvoiceofthegirlontheswitchboardoftheemergencybedservicewhowillgetyourpatientintohospitalforyou—thepleasantvoicethatcomestoyouasyoustandinthecolddark,smelly,dirty,telephoneboxsomewhereinadangeroussectionoftown.Oh,ithasitsmoments,thislifedoes.1.TheauthorA.thoughthewasluckytobeadoctor.B.thoughthisjobasadoctorgavehimgreatpleasure.C.thoughtadoctorcouldenjoycertainspecialrightswhetherhefeltluckyornot.D.didnotagreewithmanyofpeople’sideasaboutthemedicalprofession.2.“Anyonewho’sstudyingmedicineshouldhavehisheadexamined.”OneoftheimplicationsofthisstatementisA.amedicalstudentshouldhaveaverygoodmemory.B.adoctormustbementallystrongsothathecanmeetanydifficultsituations.C.thewriterthinksthatthosewhowanttobedoctorsarecrazy.D.bothAandB.3.WhichofthefollowingstatementsisNOTtrue?A.Thewriterwishedhecouldhaveaquiet,undisturbednightinbedathome.B.Oneofhisfriendssaidthatbeingadoctorhelpsonegainallsortsofexperience.C.Hehatedthetelephoneasamodernmeansofcommunication.D.Hewasnothappywiththesmallanduncomfortablecarhewasdriving.4.Themetaphor“ministeringangel”asisusedherereferstoA.alovelypersonwhobringshappinesstoothers.B.adoctorwhoissuperbatcaringforothers.C.awarm-heartedperson,alwaysreadytoofferhelp.D.alloftheabove.5.Thestatement“wedohaveourmoments”couldbestbereplacedbyA.“wedoctorsarecalledatamoment’snoticetoseepeoplewhoneedmedicaltreatment”.B.“usuallywearegladthatwecandosomethingtohelpthesick.”C.“occasionallywefindpeoplearegratefulforourhelp.”D.“thereareoccasionswhendoctorsfindtheirworkrewardingandsatisfying.”(4)Biomechanics—theapplicationofengineeringprinciplestothemotionsofthehumanbody—standsattheheartofmuchofthecurrentworkintrainingathletes.AttheU.S.OlympicCommitteeBiomechanicsLaboratoryinColoradoSprings,expertsuseacomputerized“forceplatform”tomeasureboththemagnitude(大小)anddirectionofbodyforcesasanathleteruns,liftsandthrows.Thisinformationcantellanathletesuchasadiscus(铁饼)throwerwhetherheperformsbetterwhenmoreweightisplacedonthefrontorbackfoot.TheU.S.CyclingFederationreliesonbiomechanicalanalysistomeasuretheforceappliedtopedalsbycyclists.“Wecantellifonelegisusingmoreforcethantheotherandhoweffectivearider’spedalingmotionis,”saysEdmundBurkeofthefederation. MarathonerTonySandovalbenefitedfrombiomechanicsinadifferentwaytroubledbytendonitis(腱炎)andunabletofigureoutthecause,hewenttospecialistswhoanalyzedhisrunningmovementsandfoundhewasrotatinghisankleexcessivelywhenlandingandthusinflamingtendons.Additionalanalysisshowedthisoccurredbecausehislowerlegmuscles,whichshouldstabilizetheankle,wereweak.Hewentonamuscles-strengtheningprogram,andnoweverythingisbacktonormal.1.Whichstatementbestexpressesthemainideaofthepassage?A.Biomechanicsisanimportantcourseinphysicaleducation.B.Americansaresuccessfulinutilizingbiomechanicalanalysisintrainingathletes.C.TheU.S.OlympicCommitteeBiomechanicsLaboratoryisforbiomechanicalanalysis.D.TheequipmentinColoradoSpringshelpsathletestoachievesuccess.2.Theauthordevelopsthemainideaby_________________.A.comparingacyclisttoamarathonerB.explainingtheprinciplesofthecomputerized“forceplatform”C.givingexamplestoshowhowtheexpertsutilizebiomechanicsintrainingathletesD.analyzingtheresultsbyengineeringprinciples.3.Thecomputerized“forceplatform”isusedto_____________.Apredictwhothewinnerwillbe B.measurethespeedofarunnerCmeasurehowfaranathletethrows D.recordbodyforces4.Relyingonbiomechanicalanalysis,theU.S.CyclingFederationismakinganeffort____.A.toimprovetherider’sperformance B.tomeasurethestrengthofpedalsC.tomakethecyclistsstronger D.tostrengthentherider’slegs5.Wecaninferthat____________.A.everymarathonerwouldsufferfromtendonitisB.EdmundBurkewasafamouscyclistC.anathletecanbenefitfrombiomechanicsD.withoutbiomechanics,Americanathletescan’tmakeanyprogress(5)Computerexpertshavebeengrippedbyfearofadangerousillness.Itishighlycontagious,difficulttodiagnoseandinmanycasesimpossibletocure.Itisnotcomputerexpertsorprogrammingstaffwhoarelikelytobeaffected,butrathertheelectronicdatabanksthemselves.Computerprogrammesarethreatenedbyacomputer“virus”thatcanparalysesentirecomputernetworksonceithasbeensmuggledintothesystem.Initially,theviruseswerequiteharmless.Amateurcomputerenthusiastssmuggledthemintobigelectronicsystems,wheretheyshowedupaslittlemassagesorgames.Suchspectacularcasesofcomputerespionagehaveshownthatthebigdatabanksareefficient,butalsovulnerable.Manyexpertscomplainthatcomputersafetyhasbeenneglectedfortoolong.Bythreateningtoplaceacomputervirusintotheheartoftheelectronicdatasystem,alargecompanycouldbeputunderextremepressure.Thedamagedonebycomputervirusesisalreadyincalculable.Theinsidiousthingaboutcomputervirusesisthatiftheyarewellprogrammedtheywillspreadthroughouttheentiresystemunnoticed.Bitbybittheyinfecttheprogrammesthattheyhaveaccesstoandthenonedaytheyjumpintoactionallatonce.Andthereseemtobehardlyanycountermeasures.Thechanc