2013年职称英语等级考试模拟题及答案

2013年职称英语等级考试模拟题（理工类B级）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.Thenurseryisbrightandcheerful.A.pleasantB.cleanC.peacefulD.large2.ThiskindofmaterialwasseldomusedinbuildinghousesduringtheMiddleAges.A.neverB.rarelyC.oftenD.only3.Peoplefrommanyplacesweredrawntothecitybyitsgrowingeconomy.A.fetchedB.carriedC.attractedD.pushed4.Thesoldierdisplayedremarkablecourageinthebattle.A.placedB.showedC.pointedD.decided5.HowdoyouaccountforyourabsencefromtheclasslastThursday?A.explainB.examineC.chooseD.expand6.Aboutonequarteroftheworkersinthecountryareemployedinfactories.A.thirdB.fourthC.tenthD.fifteenth7.Shewasgratefultohimforbeingsogoodtoher.A.carefulB.hatefulC.beautifulD.thankful8.Thereareonlyfiveminutesleft,buttheoutcomeofthematchisstillindoubt.A.resultB.judgementC.estimationD.event9.HeiscertainthatthedictionaryisjustwhatIwant.A.sureB.angryC.doubtfulD.worried10.Thelastfewweekshavebeenenjoyable.A.closeB.nearC.pastD.several11.Whatweretheconsequencesofthedecisionshehadmade?A.reasonsB.resultsC.causesD.bases12.Theydidn'trealizehowserioustheproblemwas.A.knowB.forgetC.doubtD.remember13.Weshallkeepthemoneyinasecureplace.A.cleanB.secretC.distantD.safe14.ThegreatchangesofthecityastonishedeveryvisitortothatcityA.attackedB.surprisedC.attractedD.interested15.Thecityhasdecidedtodoawaywithalltheoldbuildingsinitscenter.A.getridofB.setupC.repairD.paint第2部分：阅读判断(第16～22题，每题1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。DangersAwaitBabieswithAltitudeWomenwholiveintheworld’shighestcommunitiestendtogivebirthtounderweightbabies,anewstudysuggests.Thesebabiesmaygrowintoadultswithahighriskofheartdiseaseandstrokes.Researchhashintedthatnewbornsinmountaincommunitiesarelighterthanaverage.Butitwasn’tclearwhetherthisisduetoreducedoxygenlevelsathighaltitudesorbecausetheirmothersareunder-nourished—manypeoplewholiveathighaltitudesarerelativelypoorcomparedwiththoselivinglowerdown.Tofindoutmore,DinoGiussaniandhisteamatCambridgeUniversitystudiedtherecordsof400birthsinBoliviaduring1997and1998.Thebabieswereborninbothrichandpoorareasoftwocities:LaPazandSantaCruz.LaPazisthehighestcityintheworld,at3.65kilometersabovesealevel,whileSantaCruzismuchlower,at0.44kilometers.Sureenough,GiussanifoundthattheaveragebirthweightofbabiesinLaPazwassignificantlylowerthaninSantaCruz.Thiswastrueinbothhighandlow-incomefamilies.EvenbabiesborntopoorfamiliesinSantaCruzwereheavieronaveragethanbabiesborntowealthyfamiliesinloftyLaPaz.“Wewereverysurprisedbythisresult,”saysGiussani.Theresultssuggestthatbabiesbornathighaltitudesaredeprivedof2oxygenbeforebirth.“Thismaytriggerthereleaseorsuppressionofhormonesthatregulategrowthoftheunbornchild,”saysGiussani.Histeamalsofoundthathigh-altitudebabiestendedtohaverelativelylargerheadscomparedwiththeirbodies.Thisisprobablybecauseafetusstarvedofoxygenwillsendoxygenatedbloodtothebraininpreferencetotherestofthebody.Giussaniwantstofindoutifsuchbabieshaveahigherriskofdiseaseinlaterlife.PeopleborninLaPazmightbepronetohearttroubleinadulthood,forexample.Lowbirthweightisariskfactorforcoronaryheartdisease.Andnewbornswithahighratioofheadsizetobodyweightareoftenpredisposedtohighbloodpressureandstrokesinlaterlife.16.Accordingtothepassage，oneofthereasonswhynewbornsinmountaincommunitiesareunderweightisthattheirmothersareunder-nourished.A.RightB.WrongC.Notmentioned17.Giussani’steammembersareallBritishresearchersandprofessorsfromCambridgeUniversity.A.RightB.WrongC.Notmentioned18.Giussanididnotexpecttofindthattheweightofababyhadlittletodowiththefinancialconditionsofthefamilyhewasborninto.A.RightB.WrongC.Notmentioned19.Theweightofanewbornhastodowiththesupplyofoxygenevenwhenhewasstillinhismother’swomb.A.RightB.WrongC.Notmentioned20.High-altitudebabieshaveheadsthatarelargerthantheirbodies.A.RightB.WrongC.Notmentioned21.High-altitudebabieshavelongerbutthinnerlimbsthanaverage.A.RightB.WrongC.Notmentioned22.Giussanihasarrivedattheconclusionthatbabiesinhigh-altituderegionsaremorelikelytohavehearttroublewhentheygrowup.A.RightB.WrongC.Notmentioned第3部分：概括大意与完成句子（第23～30题，每题1分，共8分）下面的短文后有2项测试任务：(1)第23～26题要求从所给的6个选项中为第2～5段每段选择1个最佳标题；(2)第27～30题要求从所给的6个选项中为每个句子确定1个最佳选项。LEDLightingAnaccidentaldiscoveryannouncedrecentlyhastakenLEDlightingtoanewlevel,suggestingitcouldsoonofferacheaper,longer-lastingalternativetothetraditionallightbulb.ThebreakthroughaddstoagrowingtrendthatislikelytoeventuallymakeThomasEdison’sbrightinvention1obsolete.LEDsarealreadyusedintrafficlights,flashlights,andarchitecturallighting.Theyareflexibleandoperatelessexpensivelythantraditionallighting.MichaelBowers,agraduatestudentatVanderbiltUniversity,wasjusttryingtomakereallysmallquantumdots,whicharecrystalsgenerallyonlyafewnanometersbig.Quantumdotscontainanywherefrom100to1,000electrons.They’reeasilyexcitedbundlesofenergy,andthesmallertheyare,themoreexcitedtheyget.EachdotinBower’sparticularbatchwasexceptionallysmall,containingonly33or34pairsofatoms.Whenyoushinealightonquantumdotsorapplyelectricitytothem,theyreactbyproducingtheirownlight,norm