江苏专转本英语真题与答案Word文档格式.docx

江苏专转本英语真题与答案Word文档格式.docx

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（淋巴细胞）.ThevirusconnectstotheoutsideofT4lymphocytes,thenforcesitsway

inside.Thereitdirectsthecells'

genetic（基因的）materialtoproducecopiesoftheAIDSvirus.ThisishowAIDSspreads.ResearchersthinktheymaybeabletostopAIDSfromspreadingbypreventingvirusfromconnectingtoT4cells.WhenAIDSvirusfindsaT4cell,itactually

connectstoapartofthecellcalledCD4protein.Researcherswanttofoolthevirusbyputting

copiesorclonesoftheCD4proteinintotheblood.ThiswaytheAIDSviruswillconnecttotheclonedproteininsteadoftherealones.Scientistsusethegeneticengineeringmethodstomaketheciones.NormallyaCD4proteinremainsontheT4cellatalltimes.TheAIDSvirusmustgoto

it.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,butgovernmentshadnowishtobecomeinvoIved,atleastnotuntilwartimewheatpricesthreatenedtorunwild.Anxioustocheck（控制）inflation（通货膨

胀）andrisinglivingcosts,thefederalgovernmentappointedaboard（董事会）ofgrain

supervisorstohandledeliveriesfromthecropsof1917and1918.GrainExchangetradingwassuspended（暂停）andfarmerssoldatpricesfixedbytheboard.Tohandlethecropof1919,thegovernmentappointedthefirstCanadianWheatBoard,withfullauthoritytobuy,sell,andsetprices.

6.Theauthorusestheterm“lifeblood”（Line1,para1.）toindicatethatwheat.was

A.difficulttoproduceinlargequantitiesB.waseasilyaffectedbyanimalsandplants

C.essentialtothehealthofthecountryD.expensivetogatherandtransport

7.Accordingtothepassage,mostfarmers'

debtshadtobepaid.A.whenthe

autumnharvesthadjustbeencompleted

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,apreliminarystepinthecreationoftheCanadianWheatBoard

wastheappointmentof.

A.theWinnipegGrainExchangeB.aboardofsupervisors

C.severalproducergroupsD.anewgovernment

PassageThree

Questions10to15arebasedonthefollowingpassage.

YellowstoneParkisvisitedbytwomillionpeopleeverysummerandistheoldest,largestandmost

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

temperaturefallsaslowas60Fdegreebelowfreezing,andtheanimalsthatspendwinterintheparkarebestabletoliveintheconditionssuchasbison,wapiti,beaversandotters.Fortunately,theareaaroundthehotspringsandgeysersbecomesacentrallyheatedoasis（绿洲）inthedesertof

snow,providingwarmthandacertainmountoffoodfortheanimals.Bisonusedtogoaroundtheplainsintheirmillionsuntiltheywerehuntedalmosttoextinction（灭绝）bywhitemenwithguns.

In1900onlytwodozenofthemremainedinthepark.However,sincetheybecomeaprotectedanimal,theirnumbershaverisentoovertwothousand.Theendofwinteristhemostdangeroustimefortheanimalsasfoodbecomesevenlessandtheytakegreatrisks（冒险）tofindit,suchas

walkingacrossthinice.Thisperiodisknownas“winterkillweak”,whenandthemanyoldofthe

die,oftenfrombeingtootiredout,thusprovidingfoodforscavengerssuchasthecoyote（akindofwolf）.Withthearrivalofsummer,plantsreappearandtheanimalsfillthemselveswithrich

food.Theyounggrowstrongandthetouristsreturntoenjoythewarmthor4monthsbefore

YellowstoneParkfreezesoveragain.

11Bisonusedtogoindanger.Withtheprotection,thenumberisnow.

A.fallingdownB.goingupC.stayingthesameD.becoming

less

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.Ifyouhappen

tolovebrown,youdidsoassoonasyouopenedyoureyes,oratleastassoonasyoucouldseeclearly.Ayellowroommakesusfeelmorecheerfulandmorecomfortablethanadarkgreenone,andareddressbringswarmthandcheertothesaddestwinterday.Ontheotherhand,blackisdepressing（压抑）.Lightandbrightcolorsmakepeoplenotonlyhappierbutmoreactive.Itisafactthatfactoryworkersworkbetter,harderandhavefeweraccidentswhentheirmachinesarepaintedorangeratherthanblackordarkgray.Remember,then,thatifyoufeellow,youcanalwaysbrightenyourdayoryourlifewithanewshirtorafewcolorfulthings.Rememberalsothatyouwillknowyourfriendsandyourenemiesbetterwhenyoufindoutwhatcolorsthey

likeanddislike.Anddon'

tforgetthatanyonecanguessalotaboutyourcharacterwhenyouchooseapieceofhandkerchieforalampshade.

16.

Fromthispassagewelearnthatanactivepersonwouldpreferthosecolors

A.understandtheotherpeoplemoreB.affectotherpeoplemore

C.cheerupotherpeoplemoreD.studybetter

19Inafactory,inordertoreduceaccidentsormaketheworkersmorehappily,itisbettertohavethemachinespainted.

orange

20．Themainideaofthispassageis.

A.one'

scolorpreferenceshowsone'

scharacter

Byoucanbrightenyourlifewithwonderfulcolors

C.psychologistshavebeenstudyingthemeaningofcolorpreference

D.one'

colorspreferencehassomethingtodowithhischaracterandcolorshaveeffectsonhumanbeings

PartIIVocabularyandStructure（共40小题，每小题1分，共40分）

Directions;

Inthisparttherearefortyincompletesentences.Eachsentenceisfollowedbyfourchoices.ChoosetheonethatbestcompletesthesentenceandthenmarkyouranswerontheAnswersheet.

21．—Mybestfriend'

sinabadmood.

—How