整理职称英语理工类a真题及答案完整版.docx

整理职称英语理工类a真题及答案完整版.docx

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整理职称英语理工类a真题及答案完整版

2015职称英语理工类A真题及答案（完整版）

　　第1部分：

词汇选项（第1～15题，每题1分，共15分）

　　下面每个句子中均有1个词或短语划有底横线，请为每处划线部分确定1个意义最为接近的选项。

　　1.Iwillnot tolerate thatsortofbehaviorinmyclass.

　　A.controlB.observeC.regulateD.accept

　　2.Sheshowedanatural aptitude forthework.

　　A.senseB.talentC.flavorD.taste

　　3.Mostpeoplefind rejection hardtoaccept.

　　A.excuseB.clientC.refusalD.destiny

　　4.Theorganizationwas bold enoughtofacethepress.

　　A.pleasedB.powerfulC.braveD.sensible

　　5.Theywerelockedin mortal combat.

　　A.deadlyB.openC.actualD.active

　　6.Wewereattractedbythe lure ofquickmoney.

　　A.amountB.supplyC.temptD.sum

　　7.Theprocedureswereperceivedascomplexandless transparent.

　　A.clearB.necessaryC.specialD.correct

　　8.TheStockExchangeisin turmoil followingahugewaveofselling.

　　A.ServiceB.dangerC.disorderD.threat

　　9.HebelievesthatEuropemustchangeoritwill perish.

　　A.surviveB.lastC.dieD.move

　　10.Therewasa simultaneous trialtakingplaceinthenextbuild.

　　A.fairB.fullC.coexistingD.public

　　11.Theypromote assimilation ofethnicgroupsintothemain-streamculture.

　　A.policyB.valueC.equalityD.integration

　　12.Asalesman’s cardinal ruleistosatisfycustomers.

　　A.principalB.officialC.simpleD.legal

　　13.Imust compliment youonyourhandlingofaverydifficultsituation

　　A.silenceB.praiseC.assureD.complain

　　14.Welivedforyearsina perpetual stateoffear

　　A.emotionalB.nervousC.terribleD.Continuous

　　15.Thestarvingchildrenwerea pathetic sight.

　　A.commonB.unexpectedC.unforgettableD.pitiful

第2部分：

阅读判断（第16～22题，每题l分，共7分）

　　下面的短文后列出了7个句子，请根据短文的内容对每个句子做出判断：

如果该句提供的是正确信息，请选择A;如果该句提供的是错误信息，请选择B;如果该句的信息文中没有提及，请选择C。

　　LackofOxygenDelayedtheRiseofAnimalsonEarth

　　Scientistshavelongspeculatedastowhyanimalspeciesdidn’tflourishsooner,oncesufficientoxygencoveredtheEarth’ssurface.AnimalsbegantoprosperattheendoftheProterozoicperiod,about800millionyearsago—butwhataboutthebillion-yearstretchbeforethat,whenmostresearchersthinktherealsowasplentyofoxygen?

　　Well,itseemstheairwasn’tsogreatthen,afterall.

　　InastudypublishedOct.31inScience,YaleresearcherNoahPlanavskyandhiscolleaguesfoundthatoxygenlevelsduringthe“boringbillion”periodwereonly0.1%ofwhattheyaretoday.Inotherwords,Earth’satmospherecouldn’thavesupportedadiversityofcreatures,nomatterwhatgeneticadvancementswerepoisedtooccur.

　　“Thereisnoquestionthatgeneticandecologicalinnovationmustultimatelybebehindtheriseofanimals,butitisequallyunavoidablethatanimalsneedacertainlevelofoxygen,”saidPlanavsky,co-leadauthoroftheresearchalongwithChristopherReinhardoftheGeorgiaInstituteofTechnology.“We’reprovidingthefirstevidencethatoxygenlevelswerelowenoughduringthisperiodtopotentiallypreventtheriseofanimals.”

　　Thescientistsfoundtheirevidencebyanalyzingchromium（Cr）isotopesinancientsedimentsfromChina,Australia,Canada,andtheUnitedStates.ChromiumisfoundintheEarth’scontinentalcrust,andchromiumoxidationisdirectlylinkedtothepresenceoffreeoxygenintheatmosphere.

　　Specifically,theteamstudiedsamplesdepositedinshallow,iron-richoceanareas,neartheshore.Theycomparedtheirdatawithothersamplestakenfromyoungerlocalesknowntohavehigherlevelsofoxygen.

　　Oxygen’sroleincontrollingthefirstappearanceofanimalshaslongvexedscientists.“Weweremissingtherightapproachuntilnow,”Planavskysaid.“Chromiumgaveustheproxy.”Previousestimatesputtheoxygenlevelat40%oftoday’sconditionsduringpre-animaltimes,leavingopenthepossibilitythatoxygenwasalreadyplentifulenoughtosupportanimallife.

　　Inthenewstudy,theresearchersacknowledgedthatoxygenlevelswere“highlydynamic”intheearlyatmosphere,withthepotentialforoccasionalspikes.However,theysaid,“Itseemsclearthatthereisafirst-orderdifferenceinthenatureofEarthsurfaceCrcycling”beforeandaftertheriseofanimals.

　　“Ifweareright,ourresultswillreallychangehowpeopleviewtheoriginsofanimalsandothercomplexlife,andtheirrelationshipstotheco-evolvingenvironment,”saidco-authorTimLyonsoftheUniversityofCalifornia-Riverside.“Thiscouldbeagamechanger.”

　　“There’salotofinterestrightnowinabroaderdiscussionsurroundingtherolethatenvironmentalstabilityplayedintheevolutionofcomplexlife,andwethinkourresultsareasignificantcontributiontothat,”Reinhardsaid.

　　16.ThestudydiscoveredtheriseofanimalsoccurredearlierthantheProterozoicperiod.

　　A.RightB.WrongC.Notmentioned

　　17.Manyresearchersbelievetheoxygenlevelwashighduringpre-animaltimes.

　　A.RightB.Wron