學(xué)位英語(yǔ)試題及答案

1、考試須知考試須知1、本次考試試卷有試題冊(cè)（試卷一）和答題紙（AnswerSheet)兩種，答題時(shí)間為120分鐘。2、請(qǐng)考生用鋼筆在AnswerSheet上寫(xiě)上姓名、學(xué)號(hào)、專業(yè)班級(jí)。3、請(qǐng)考生在AnswerSheet上答題，寫(xiě)在試題冊(cè)上的答案一律作廢。4、選擇題每題只能選一個(gè)答案，多選作廢。選定答案后，在AnswerSheet中找到相應(yīng)題號(hào)，將答案對(duì)應(yīng)字母（對(duì)應(yīng)字母（ABCD）填寫(xiě)在題號(hào)后的括號(hào)里。注意保持字跡清晰工整，容易識(shí)別。由于字跡

2、潦草、答案模棱兩可甚至無(wú)法識(shí)別者，一律判為0分，責(zé)任由考生本人負(fù)責(zé)。5、簡(jiǎn)答題、翻譯和作文等主觀題部分的答題請(qǐng)考生用鋼筆書(shū)寫(xiě)在AnswerSheet指定位置上。6、考試結(jié)束，考生不得將試題冊(cè)和答題紙帶出考場(chǎng)。請(qǐng)把試題冊(cè)和答題紙分別上交監(jiān)考老師。Test15PartI.SituationalConversations(10%)Directions:Inthisparttherearetenshtincompletedialoguesbet

3、weentwospeakerseachfollowedbyfourchoicesmarkedABCD.Choosetheonethatmostappropriatelysuitstheconversationalcontextbestcompletesthedialogue.MarkyouranswerontheANSWERSHEETwithasinglelinethroughthecenterofthecrespondinglette

4、r1.Vivian:Christina!Ihaven’tseenyoufages.HowareyouChristina:Fine.youVivian:Prettygood.How’sChristopherChristina:Ohdon’tyouknowWegotdivcedtwoyearsago.Vivian:__________A.Hopeyou’llbebetter.B.Itisreallyaproblem.C.Whatapity!

5、D.OhI’msry.2.Rid:HowmuchisittorentaneconomycarTina:$15.00aday$95.00aweekunlimitedmileage.Rid:CouldIhaveoneftomrowmningTina:___________________________Rid:Sure.Hereitis.C.I’mnottoointerestedaboutconcertD.I’mnottoowildabou

6、tconcert10.Customer:HaveyougotMichelJackson’slatestCDalbumSalesman:______.A.No.IdontcarefsingersphotographsB.No.IthasbeensoldoutC.Yes.TheydonthaveitanymeD.Yes.IcantaffdonePartIIReadingComprehension(40%)SectionADirections

7、:Thereare3passagesinthispart.Eachpassageisfollowedbysomequestionsunfinishedstatements.FeachofthemtherearefourchoicesmarkedA)B)C)D).YoushoulddecideonthebestchoicewritethecrespondingletterontheAnswerSheet.(30%)PassageOneQu

8、estions11to15arebasedonthefollowingpassage:Risingglobalcarbondioxidelevelstiedtoglobalwarmingmaynotbeascrucialindeterminingthecompositionofplantcommunitiesasotherlocalizedclimatechanges.“Nobodyreallyknowswhattheincreases

9、incarbondioxidearegoingtoentailintermsoffuturechangesinvegetationtypes”saidMarkBrenneraUniversityofFlidaassistantprofessofpaleontologythestudyofancientlakes.“Itlookslikeclimatechangesindifferentareasmaybemeimptantthancar

10、bondioxideatleastcarbondioxidebyitself”hesaid.Brenner’sresearchteambasedtheirconclusionsonananalysisofsedimentfromtwolakebottomsoneinnthernMexicooneinnthernGuatemala.Theresearchersusednewtechniquesthatallowedthemtoanalyz

11、eonlytheremainsoflplantsspecificallytheirleafwaxes.BymeasuringthecompositionoftheleafwaxestheresearcherswereabletodistinguishtwobroadcategiesofplantslivingintheseareassocalledC3C4plantswhichhavedifferentphotosyntheticpro

12、cesses.ManyC4plantsaretropicalgrasseswhilemosttropicaltreesareC3plants.Theresearchersanalyzedsedimentsdepositedoverthelast27000yearsfromthelasticeagetothecurrentgeologicalperiod.Overthisperiodtherewasawldwiderelativelyun

13、ifmincreaseinatmosphericcarbondioxideconcentrations.BrennersaidthatifcarbondioxideplayedthemajroleindeterminingplantcompositiononewouldassumethatanalysisofthesedimentswouldrevealverysimilarchangesinrelativeabundanceofC3C

14、4plantsinthetwoplacesoverthestudyperiod.Butinfacttheresearchersfoundthattrendsinthetwotypesofplantsweredifferentatthetwolocations.Thechangeswererelatednotwithcarbondioxidelevelsbutwithshiftsinrainfall.“Theresultappearsto

15、bethatclimatefactsespeciallymoistureavailabilitydeterminewhetherC4C3plantsdominateinanareanotcarbondioxide”Brennersaid.Manyscientistsbelieveglobalwarmingwillcausemajvariationinlocalclimateswldwidewithsomewetareasbecoming

16、drydryareasbecomingwet.IfthathappensitcouldhavemeimpactonrelativeC3versusC4plantdistributionthantherisingcarbondioxidelevels.11.WhatcanbeinferredinthefirstparagraphA).Climatechangesaremeimptanttothecompositionofplantcomm