江苏专转本英语真题及答案.docx

江苏专转本英语真题及答案.docx

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江苏专转本英语真题及答案

2021江苏专转本英语真题及答案

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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

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.killtheAIDSvirus

C.preventtheAIDSvirusfromspreadingD.producenewmedicinesforAIDS

2.WhentheAIDSvirusenterstheblood,itisreproducedby________.

A.theinsideofthevirusitselfB.anybloodcellsinthebody

C.theCD4proteinD.thegeneticmaterialofT4cells

3TheAIDSvirusconnectstoclonedproteinsinsteadoftotherealonesbecause________.

A.theclonedproteinsstayontheT4cells

B.theclonedproteinscanfloatfreelyintheblood

C.itconnectstoclonedproteinsmoreeffectivelythantotherealones

D.theclonedproteinsaremadebygeneticengineeringmethods

4.WhichofthefollowingstatementsisNOTtrue?

A.Thenewtechniquehasbeentestedinlabs.B.Thenewtechniqueisbeingtestedinanimals.

C.Thenewtechniquemaybetestedinhumans.D.Thenewtechniqueisnowunderclinicaltest.

5Whichofthefollowingcouldbethebesttitleofthispassage?

A.AIDS---aFatalDisease.B.ANewTechniqueinfightingAIDS.

C.AReportontheSpreadofAIDSVirus.D.TheTechniqueofClonedCD4Protein.

PassageTWO

Questions6to10arebasedonthefollowingpassage.

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.

6.Theauthorusestheterm“lifeblood〞（Line1,para1.）toindicatethatwheatwas_______.

A.difficulttoproduceinlargequantitiesB.waseasilyaffectedbyanimalsandplants

C.essentialtothehealthofthecountryD.expensivetogatherandtransport

7.Accordingtothepassage,mostfarmers’debtshadtobepaid__________.A.whentheautumnharvesthadjustbeencompleted

B.becausewheatpriceswerehigh

C.assoonastheWinnipegGrainExchangedemandedpaymentD,whencropfailurecauseddepression

8.Accordingtothepassage,wheatpricesbecameuncontrolledbecauseofconditionscausedby_____.

A.farmersB.supervisorsC.weatherD.war

9.Theword“check〞（Line1,Para.3）couldbestbereplacedbywhichofthefollowing?

A.controlB.investigateC.financeD.reinforce

10.Accordingtothepassage,apreliminarystepinthecreationoftheCanadianWheatBoardwastheappointmentof______.

A.theWinnipegGrainExchangeB.aboardofsupervisors

C.severalproducergroupsD.anewgovernment

PassageThree

Questions10to15arebasedonthefollowingpassage.

YellowstoneParkisvisitedbytwomillionpeopleeverysummerandistheoldest,largestandmostvisitedwildernessintheworld.Allarewelcomeandareinvitedonarrivaltoleavetheircarsandexploreonfoot.Yellowstone,anationalparkforever100years,liesintheStateofWyoming,totheeastoftheRockyMountain.ItisalsointhecenteroftheNorthAmericancontinent,midwaybetweentheequatorandtheNorthPole,ataheightofover2300meters.Theverycoldwinterinthisareaclosestheparkaroundmid-NovemberandlastsuntilAprilorevenMay.InFebruarythe

temperaturefallsaslowas60Fdegreebelowfreezing,andtheanimalsthatspendwinterintheparkarebestabletoliveintheconditionssuchasbison,wapiti,beaversandotters.Fortunately,theareaaroundthehotspringsandgeysersbecomesacentrallyheatedoasis（绿洲）inthedesertofsnow,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,thenumberis________now.

A.fallingdownB.goingupC.stayingthesameD.becomingless

12TheRockyMountainsare_____________

A.inthecenterofWyomingB.tothewestofYellowstonePark

C.inthenorthofYellowstoneParkD.totheeastofYellowstonePark

13WhichofthefollowingisNOTananimal?

A.otterB.beaverC.geysersD.coyote

14.Attheendofthe19thcentury_______________.

A.bisonranaroundtheplainsintheirmillionsB.bisonwerehuntedalmosttoextinction

C.bisonbecameakindofprotectedanimalD.theirnumberrosemorethan200

15.Fromthetext,wecanknowthat“scavengersinthelastparagraphare_______________

A.animalswhichfeedonotherdeadanimals

B.placeswherewatercomesnaturallyfromtheground

C.birdswhichliveingrassseedsD.animalswhichalwayseatasmuchaspossible

PassageFour

Questions15to20arebasedonthefollowingpassage.

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.

16.Fromthispassagewelearnthatanactivepersonwouldpreferthosecolors________.

A.red,greenandyellowB.gray,blueordarkC.orange,yelloworredD.