2021江苏专转本英语真题及答案1

2021江苏专转本英语真题及答案江苏省2021年普通高校专转本统一英语考试第一卷（共100分）PartIReadingComprehension（共20题，每题2分，共40分）PassageOne口Questions1to5arebasedonthefollowingpassage.AmericanresearchershavedevelopedatechniquethatmaybecomeanimportanttoolinfightingAIDS.ThetechniquestopstheAIDSvirusfromattackingitstarget-cellsinthebody'sdefensesystem.WhenAIDSvirusenterstheblood,itsearchesforbloodcellscalledT4lymphocytes（淋巴细胞）.ThevirusconnectstotheoutsideofT4lymphocytes,thenforcesitswayinside.Thereitdirectsthecells'genetic（基因的）materialtoproducecopiesoftheAIDSvirus.ThisishowAIDSspreads.ResearchersthinktheymaybeabletostopAIDSfromspreadingbypreventingvirusfromconnectingtoT4cells.WhenAIDSvirusfindsaT4cell,itactuallyconnectstoapartofthecellcalledCD4protein.ResearcherswanttofoolthevirusbyputtingcopiesorclonesoftheCD4proteinintotheblood.ThiswaytheAIDSviruswillconnecttotheclonedproteininsteadoftherealones.Scientistsusethegeneticengineeringmethodstomaketheclones.NormallyaCD4proteinremainsontheT4cellatalltimes.TheAIDSvirusmustgotoit.Inanewtechnique,however,theclonedCD4proteinisnotconnectedtoacell.Itfloatsfreely,somanymorecanbeputintothebloodtokeeptheAIDSvirusawayfromrealCD4proteinsonT4cells.OnereportsaystheAIDSvirusconnectstotheclonedproteinsjustaseffectivelyastorealprotein.Thatreportwasbasedontestswithbloodcellsgrowninlabs.Thetechniqueisjustnowbeginningtobetestedinanimals.Ifsuccessful,itmaybetestedinhumanswithinayear.1.Thenewtechniquecan.A.cureAIDSB.killtheAIDSvirusC.preventtheAIDSvirusfromspreadingD.producenewmedicinesforAIDS2.WhentheAIDSvirusenterstheblood,itisreproducedby.A.theinsideofthevirusitselfB.anybloodcellsinthebodyC.theCD4proteinD.thegeneticmaterialofT4cells3TheAIDSvirusconnectstoclonedproteinsinsteadoftotherealonesbecause.A.theclonedproteinsstayontheT4cellstheclonedproteinscanfloatfreelyintheblooditconnectstoclonedproteinsmoreeffectivelythantotherealonesD.theclonedproteinsaremadebygeneticengineeringmethods4.WhichofthefollowingstatementsisNOTtrue?A.Thenewtechniquehasbeentestedinlabs.B.Thenewtechniqueisbeingtestedinanimals.C.Thenewtechniquemaybetestedinhumans.D.Thenewtechniqueisnowunderclinicaltest.5Whichofthefollowingcouldbethebesttitleofthispassage?A.AIDS---aFatalDisease.B.ANewTechniqueinfightingAIDS.C.AReportontheSpreadofAIDSVirus.D.TheTechniqueofClonedCD4Protein.PassageTWOQuestions6to10arebasedonthefollowingpassage.Duringtheearlyearsoflastcentury,wheatwasseenastheverylifebloodofWesternCanada.Whenthecropsweregood,theeconomywasgood;whenthecropsfailed,therewasdepression.Peopleoncitystreetswatchedtheyieldsandthepriceofwheatwithalmostasmuchfeelingasiftheyweegrowers.Themarketingofwheatbecameanincreasinglyfavoritetopicofconversation.Warsetthestageforthemostdramaticeventsinmarketingthewesterncrop.Foryears,farmersmistrustedspeculative（投机的）grainsellingascarriedonthroughtheWinnipegGrainExchange.Wheatpricesweregenerallylowintheautumn,butfarmerscouldnotwaitformarketstoimprove.Ithadhappenedtoooftenthattheysoldtheirwheatsoonafterharvestwhenfarmdebtswerecomingdue（到期），onlytoseepricesrisingandspeculatorsgettingrich.Onvariousoccasions,producergroupsaskedforfirmercontrols,butgovernmentshadnowishtobecomeinvolved,atleastnotuntilwartimewheatpricesthreatenedtorunwild.Anxioustocheck（控制）inflation（通货膨胀）andrisinglivingcosts,thefederalgovernmentappointedaboard（董事会）ofgrainsupervisorstohandledeliveriesfromthecropsof1917and1918.GrainExchangetradingwassuspended（暂停）andfarmerssoldatpricesfixedbytheboard.Tohandlethecropof1919,thegovernmentappointedthefirstCanadianWheatBoard,withfullauthoritytobuy,sell,andsetprices.Theauthorusestheterm“lifeblood”（Line1,para1.）toindicatethatwheatwas.A.difficulttoproduceinlargequantitiesB.waseasilyaffectedbyanimalsandplantsC.essentialtothehealthofthecountryD.expensivetogatherandtransportAccordingtothepassage,mostfarmers’debtshadtobepaid.A.whentheautumnharvesthadjustbeencompletedB.becausewheatpriceswerehighC.assoonastheWinnipegGrainExchangedemandedpaymentD,whencropfailurecauseddepressionAccordingtothepassage,wheatpricesbecameuncontrolledbecauseofconditionscausedby.A.farmersB.supervisorsC.weatherD.war9.Theword“check”（Line1,Para.3）couldbestbereplacedbywhichofthefollowing?A.controlB.investigateC.financeD.reinforce10.Accordingtothepassage,apreliminarystepinthecreationoftheCanadianWheatBoardwastheappointmentof.theWinnipegGrainExchangeB.aboardofsupervisorsC.severalproducergroupsD.anewgovernmentPassageThreeQuestions10to15arebasedonthefollowingpassage.YellowstoneParkisvisitedbytwomillionpeopleeverysummerandistheoldest,largestandmostvisitedwildernessintheworld.Allarewelcomeandareinvitedonarrivaltoleavetheircarsandexploreonfoot.Yellowstone,anationalparkforever100years,liesintheStateofWyoming,totheeastoftheRockyMountain.ItisalsointhecenteroftheNorthAmericancontinent,midwaybetweentheequatorandtheNorthPole,ataheightofover2300meters.Theverycoldwinterinthisareaclosestheparkaroundmid-NovemberandlastsuntilAprilorevenMay.InFebruarythetemperaturefallsaslowas60Fdegreebelowfreezing,andtheanimalsthatspendwinterintheparkarebestabletoliveintheconditionssuchasbison,wapiti,beaversandotters.Fortunately,theareaaroundthehotspringsandgeysersbecomesacentrallyheatedoasis（绿洲）inthedesertof口snow,providingwarmthandacertainmountoffoodfortheanimals.Bisonusedtogoaroundtheplainsintheirmillionsuntiltheywerehuntedalmosttoextinction（灭绝）bywhitemenwithguns.In1900onlytwodozenofthemremainedinthepark.However,sincetheybecomeaprotectedanimal,theirnumbershaverisentoovertwothousand.Theendofwinteristhemostdangeroustimefortheanimalsasfoodbecomesevenlessandtheytakegreatrisks（冒险）tofindit,suchaswalkingacrossthinice.Thisperiodisknownas“winterkill”,whenmanyoftheweakandtheolddie,oftenfrombeingtootiredout,thusprovidingfoodforscavengerssuchasthecoyote（akindofwolf）.Withthearrivalofsummer,plantsreappearandtheanimalsfillthemselveswithrichfood.Theyounggrowstrongandthetouristsreturntoenjoythewarmthor4monthsbeforeYellowstoneParkfreezesoveragain.11Bisonusedtogoindanger.Withtheprotection,thenumberisnow.A.fallingdownB.goingupC.stayingthesameD.becomingless12TheRockyMountainsareA.inthecenterofWyomingB.tothewestofYellowstoneParkC.inthenorthofYellowstoneParkD.totheeastofYellowstonePark13WhichofthefollowingisNOTananimal?A.otterB.beaverC.geysersD.coyote14.Attheendofthe19thcentury.A.bisonranaroundtheplainsintheirmillionsB.bisonwerehuntedalmosttoextinctionC.bisonbecameakindofprotectedanimalD.theirnumberrosemorethan20015.Fromthetext,wecanknowthat“scavengersinthelastparagraphareA.animalswhichfeedonotherdeadanimalsplaceswherewatercomesnaturallyfromthegroundC.birdswhichliveingrassseedsD.animalswhichalwayseatasmuchaspossiblePassageFourQuestions15to20arebasedonthefollowingpassage.Whatisyourfavoritecolor?Doyoulikeyellow,orange,red?Ifyoudo,youmustbeanoptimist（乐观者），aleader,anactivepersonwhoenjoylife,peopleandexcitement.Doyouprefergraysandblues?Thenyouareprobablyquiet,shyandyouwouldratherfollowthanlead.Ifyoulovegreen,youarestrong-mindedanddetermined.Youwishtosucceedandwantotherpeopletoseeyouaresuccessful.Atleastthisiswhatpsychologist（心理学家）tellusandtheyshouldknow,becausetheyhavebeenseriouslystudyingthemeaningofcolorpreference,andtheeffectthatcolorshaveonhumanbeings.Theytellusthatwedon’tchooseourfavouritecoloraswegrowup.Ifyouhappentolovebrown,youdidsoassoonasyouopenedyoureyes,oratleastassoonasyoucouldseeclearly.Ayellowroommakesusfeelmorecheerfulandmorecomfortablethanadarkgreenone,andareddressbringswarmthandcheertothesaddestwinterday.Ontheotherhand,blackisdepressing（压抑）.Lightandbrightcolorsmakepeoplenotonlyhappierbutmoreactive.Itisafactthatfactoryworkersworkbetter,harderandhavefeweraccidentswhentheirmachinesarepaintedorangeratherthanblackordarkgray.Remember,then,thatifyoufeellow,youcanalwaysbrightenyourdayoryourlifewithanewshirtorafewcolorfulthings.Rememberalsothatyouwillknowyourfriendsandyourenemiesbetterwhenyoufindoutwhatcolorstheylikeanddislike.Anddon’tforgetthatanyonecanguessalotaboutyourcharacterwhenyouchooseapieceofhandkerchieforalampshade..Fromthispassagewelearnthatanactivepersonwouldpreferthosecolors.A.red,greenandyellowB.gray,blueordarkC.orange,yelloworredD.yellow,orangeorredbrightcoloredroomcanone’smood.A.depressB.brighthappyD.cheerup18Knowingthecolorpreferencecanhelponeintheirsociallife.A.understandtheotherpeoplemoreB.affectotherpeoplemoreC.cheerupotherpeoplemoreD.studybetter19Inafactory,inordertoreduceaccidentsormaketheworkersmorehappily,itisbettertohavethemachinespainted.A.redB.whiteC.grayD.orange20．Themainideaofthispassageis.A.one’scolorpreferenceshowsone’scharacterByoucanbrightenyourlifewithwonderfulcolorspsychologistshavebeenstudyingthemeaningofcolorpreferenceone’scolorpreferencehassomethingtodowithhischaracterandcolorshaveeffectsonhumanbeingsPartIIVocabularyandStructure（共40小题，每小题1分，共40分）Directions;Inthisparttherearefortyincompletesentences.Eachsentenceisfollowedbyfourchoices.ChoosetheonethatbestcompletesthesentenceandthenmarkyouranswerontheAnswersheet.21.—Mybestfriend'sinabadmood.一Howabouthersomeflowers?A.givingB.givenC.togiveD.give22．OnmybirthdayIgotawatchfrommyuncle,wasmadeinJapan.A.whoB.thatC.whichD.what23.Thenewscameasnosurprisetome,forIofitearlier.A.hearB.heardC.haveheardD.hadheard24•—Whyaretheypullingdownthehouses?一anewparkinglot.A.BuildB.TobuildC.BuildingD.Built25.Ionasofabecausemyparentshavecomefortheweekend.A.sleptB.wassleepingC.havesleptD.amsleeping26.Lastwinterwasextremelycold.,mostpeoplesayitwasthecoldestwinteroftheirlives.A.AtlastB.AsaresultC.InawordD.Infact27.Ipassedbythesportsfieldtheotherday,therewasafootballmatchgoingonthen.A.thatB.whereC.winchD.when28.Itwasagreatparty,thankyou.ButJill,why___youmorefriendstocome?A.haven't…invitedB.don't…inviteC.didn't…inviteD.won’t…invite29.Hefailedthemid-termexaminationandonlythenhowmuchtimehehadwasted.A.herealizedB.didherealizeC.hehadrealizedD.hadherealized30.IhadenteredtheclassroomwhenInoticedtheheadmasterwassittingattheback.A.stillB.yetC.soonerD.hardly31.ThemostpopularfoodforforeignersonanymenuinBeijingisroastduck.A.includeB.includingC.toincludeD.included32.Themother,alongwithhertwodaughters,fromthesinkingaircraftbyapassingship.A.haverescuedB.havebeenrescuedC.hasrescuedD.hasbeenres