學位英語試題及答案

1、考試須知考試須知1、本次考試試卷有試題冊（試卷一）和答題紙（AnswerSheet)兩種，答題時間為120分鐘。2、請考生用鋼筆在AnswerSheet上寫上姓名、學號、專業(yè)班級。3、請考生在AnswerSheet上答題，寫在試題冊上的答案一律作廢。4、選擇題每題只能選一個答案，多選作廢。選定答案后，在AnswerSheet中找到相應題號，將答案對應字母（對應字母（ABCD）填寫在題號后的括號里。注意保持字跡清晰工整，容易識別。由于字跡

2、潦草、答案模棱兩可甚至無法識別者，一律判為0分，責任由考生本人負責。5、簡答題、翻譯和作文等主觀題部分的答題請考生用鋼筆書寫在AnswerSheet指定位置上。6、考試結束，考生不得將試題冊和答題紙帶出考場。請把試題冊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