2017年職稱英語練習試題及答案【理工類A級】

書山有路勤為徑，學海無涯苦作舟2017年職稱英語練習試題及答案【理工類A級】一般來說職稱英語考試的A級合格證書可申報高級職稱。下面是小編整理的理工類A級職稱英語試題，希望能幫到大家!?第1部分：詞匯選項(第1～15題，每題1分，共15分)?下面每個句子中均有1個詞或短語劃有底橫線，請為每處劃線部分確定1個意義最為接近的選項。?1.Iwillnottoleratethatsortofbehaviorinmyclass.?A.controlB.observeC.regulateD.accept?2.Sheshowedanaturalaptitudeforthework.?A.senseB.talentC.flavorD.taste?3.Mostpeoplefindrejectionhardtoaccept.?A.excuseB.clientC.refusalD.destiny?4.Theorganizationwasboldenoughtofacethepress.?A.pleasedB.powerfulC.braveD.sensible?5.Theywerelockedinmortalcombat.?A.deadlyB.openC.actualD.active?6.Wewereattractedbythelureofquickmoney.?A.amountB.supplyC.temptD.sum?7.Theprocedureswereperceivedascomplexandlesstransparent.?A.clearB.necessaryC.specialD.correct?8.TheStockExchangeisinturmoilfollowingahugewaveofselling.?A.ServiceB.dangerC.disorderD.threat?9.HebelievesthatEuropemustchangeoritwillperish.?A.surviveB.lastC.dieD.move?10.Therewasasimultaneoustrialtakingplaceinthenextbuild.?A.fairB.fullC.coexistingD.public?11.Theypromoteassimilationofethnicgroupsintothemain-streamculture.?A.policyB.valueC.equalityD.integration?12.Asalesmanscardinalruleistosatisfycustomers.?A.principalB.officialC.simpleD.legal?13.Imustcomplimentyouonyourhandlingofaverydifficultsituation?A.silenceB.praiseC.assureD.complain?14.Welivedforyearsinaperpetualstateoffear?A.emotionalB.nervousC.terribleD.Continuous?15.Thestarvingchildrenwereapatheticsight.?A.commonB.unexpectedC.unforgettableD.pitiful?第2部分：閱讀判斷(第16～22題，每題l分，共7分)?下面的短文后列出了7個句子，請根據短文的內容對每個句子做出判斷：如果該句提供的是正確信息，請選擇A;如果該句提供的是錯誤信息，請選擇B;如果該句的信息文中沒有提及，請選擇C。?LackofOxygenDelayedtheRiseofAnimalsonEarth?Scientistshavelongspeculatedastowhyanimalspeciesdidntflourishsooner,oncesufficientoxygencoveredtheEarthssurface.AnimalsbegantoprosperattheendoftheProterozoicperiod,about800millionyearsagobutwhataboutthebillion-yearstretchbeforethat,whenmostresearchersthinktherealsowasplentyofoxygen??Well,itseemstheairwasntsogreatthen,afterall.?InastudypublishedOct.31inScience,YaleresearcherNoahPlanavskyandhiscolleaguesfoundthatoxygenlevelsduringtheboringbillionperiodwereonly0.1%ofwhattheyaretoday.Inotherwords,Earthsatmospherecouldnthavesupportedadiversityofcreatures,nomatterwhatgeneticadvancementswerepoisedtooccur.?Thereisnoquestionthatgeneticandecologicalinnovationmustultimatelybebehindtheriseofanimals,butitisequallyunavoidablethatanimalsneedacertainlevelofoxygen,saidPlanavsky,co-leadauthoroftheresearchalongwithChristopherReinhardoftheGeorgiaInstituteofTechnology.Wereprovidingthefirstevidencethatoxygenlevelswerelowenoughduringthisperiodtopotentiallypreventtheriseofanimals.?Thescientistsfoundtheirevidencebyanalyzingchromium(Cr)isotopesinancientsedimentsfromChina,Australia,Canada,andtheUnitedStates.ChromiumisfoundintheEarthscontinentalcrust,andchromiumoxidationisdirectlylinkedtothepresenceoffreeoxygenintheatmosphere.?Specifically,theteamstudiedsamplesdepositedinshallow,iron-richoceanareas,neartheshore.Theycomparedtheirdatawithothersamplestakenfromyoungerlocalesknowntohavehigherlevelsofoxygen.?Oxygensroleincontrollingthefirstappearanceofanimalshaslongvexedscientists.Weweremissingtherightapproachuntilnow,Planavskysaid.Chromiumgaveustheproxy.Previousestimatesputtheoxygenlevelat40%oftodaysconditionsduringpre-animaltimes,leavingopenthepossibilitythatoxygenwasalreadyplentifulenoughtosupportanimallife.?Inthenewstudy,theresearchersacknowledgedthatoxygenlevelswerehighlydynamicintheearlyatmosphere,withthepotentialforoccasionalspikes.However,theysaid,Itseemsclearthatthereisafirst-orderdifferenceinthenatureofEarthsurfaceCrcyclingbeforeandaftertheriseofanimals.?Ifweareright,ourresultswillreallychangehowpeopleviewtheoriginsofanimalsandothercomplexlife,andtheirrelationshipstotheco-evolvingenvironment,saidco-authorTimLyonsoftheUniversityofCalifornia-Riverside.Thiscouldbeagamechanger.?Theresalotofinterestrightnowinabroaderdiscussionsurroundingtherolethatenvironmentalstabilityplayedintheevolutionofcomplexlife,andwethinkourresultsareasignificantcontributiontothat,Reinhardsaid.?16.ThestudydiscoveredtheriseofanimalsoccurredearlierthantheProterozoicperiod.?A.RightB.WrongC.Notmentioned?17.Manyresearchersbelievetheoxygenlevelwashighduringpre-animaltimes.?A.RightB.WrongC.Notmentioned?18.Theteamwasfundedbyseveralresearchinstitutes.?A.RightB.WrongC.Notmentioned?19.Geneticadvancementstriggeredtheriseofanimals.?A.RightB.WrongC.Notmentioned?20.Thesamplesstudiedintheresearchwerecollectedinoceanareas.?A.RightB.WrongC.Notmentioned?21.ThestudyrevealedthatchromiumfoundinEarthscontinentalcrustremainedstablebeforeandaftertheriseofanimals.?A.RightB.WrongC.Notmentioned?22.TimLyonslikedtoplaycomputergamesinhissparetime.?A.RightB.WrongC.Notmentioned?第3部分：概括大意與完成句子(第2330題，每題1分，共8分)?下面的短文后有2項測試任務：(1)第23~26題要求從所給的6個選項中為第2～5段每段選擇1個最佳標題;(2)第27～30題要求從所給的6個選項中為每個句子確定1個最佳選項。?FirstImage-recognitionSoftware?1.DartmouthresearchersandtheircolleagueshavecreatedanartificialintelligencesoftwarethatusesphotostolocatedocumentsontheInternetwithfargreateraccuracythaneverbefore.?2.Thenewsystem,whichwastestedonphotosandisnowbeingappliedtovideos,showsforthefirsttimethatamachinelearningalgorithm(運算法則)forimagerecognitionandretrievalisaccurateandefficientenoughtoimprovelarge-scaledocumentsearchesonline.Thesystemusespixel(像素)datainimagesandpotentiallyvideoratherthanjusttexttolocatedocuments.Itlearnstorecognizethepixelsassociatedwithasearchphrasebystudyingtheresultsfromtext-basedimagesearchengines.Theknowledgegleaned(收集)fromthoseresultscanthenbeappliedtootherphotoswithouttagsorcaptions(圖片說明),makingformoreaccuratedocumentsearchresults.?3.Overthelast30years,saysAssociateProfessorLorenzoTorresani,aco-authorofthestudy,theWebhasevolvedfromasmallcollectionofmostlytextdocumentstoamodern,massive,fast-growingmultimediadataset,wherenearlyeverypageincludesmultiplepicturesorvideos.WhenapersonlooksataWebpage,heimmediatelygetsthegist(主旨)ofitbylookingatthepicturesinit.Yet,surprisingly,allexistingpopularsearchengines,suchasGoogleorBing,stripawaytheinformationcontainedinthephotosanduseexclusivelythetextofWebpagestoperformthedocumentretrieval.Ourstudyisthefirsttoshowthatmodernmachinevisionsystemsareaccurateandefficientenoughtomakeeffectiveuseoftheinformationcontainedinimagepixelstoimprovedocumentsearch.?4.Theresearchersdesignedandtestedamachinevisionsystematypeofartificialintelligencethatallowscomputerstolearnwithoutbeingexplicitlyprogrammedthatextractssemantic(語義的)informationfromthepixelsofphotosinWebpages.ThisinformationisusedtoenrichthedescriptionoftheHTMLpageu