2015年职称英语理工类A级考试真题第一部分:词汇选项1.Iwillnottoleratethatsortofbehaviorinmyclass.A.controlB.observeC.regulateD.acceptﻫ答案:Dﻫ2.Sheshowedanaturalaptitudehardtoaccept.A.senseB.talentC.flavorD.tasteﻫ答案:Bﻫ3.Mostpeoplefindrejectionhardtoaccept.A.excuseB.clientC.destinyD.refusal答案:Cﻫ4.Theorganizationwasboldenoughtofacethepress.A.pleasedB.powerfulC.braveD.sensible答案:C5.Theywerelockedinmortalcmbat.A.deadlyB.openC.actualD.active答案:Aﻫ6.Wewereattractedbythelureofquickmoney.ﻫA.amountB.supplyC.sumD.tempﻫ答案:Cﻫ7.Theprocedureswereperceivedascomplexandlesstransparent.ﻫA.clearB.necessaryC.specialD.correctﻫ答案:A8.TheStockExchangeisinturmoilfollowingahugewaveofselling.A.ServiceB.dangerC.disorderD.threat答案:Cﻫ9.HebelievesthatEuropemustchangeoritwillperish.A.surviceB.lastC.dieD.move答案:Cﻫ10.Therewasasimultaneoustrialtakingplaceinthenextbuild.ﻫA.fairB.fullC.coexistingD.publicﻫ答案:Cﻫ11.Theypromotesimulationofethnicgroupintothemain-streasmculture.ﻫA.policyB.valueC.equalityD.intergration答案:D12.Asaleman’scardinalruleistosatisfycustomers.A.principalB.officalC.simpleD.legal答案:A13.Imustcomplimentyouonyourhandlingofaverydifficultsituation.ﻫA.silenceB.praiseC.assureD.complain答案:B14.Weliveforyearsinaperpetualstateoffear.ﻫA.emotionB.nervousC.terribileD.Contimuous答案:Dﻫ15.Thestarvingchildrenwereapathecticsight.A.commonB.unexpectedC.unforgettableD.pitiful答案:D第二部分:阅读判断LackofOxygenDelayedtheRiseofAnimalsonEarthScientistshavelongspeculatedastowhyanimalspeciesdidn'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,andchromiumoxidationisdirectlylinkedtothepresenceoffreeoxygenintheatmosphe...