职称英语考试理工类A级模拟试题三.docx

职称英语考试理工类A级模拟试题三.docx

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职称英语考试理工类A级模拟试题三

　　2014年职称英语考试理工类A级模拟试题三

　　一、词汇选项。

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。

　　1Thesearetheirmotivesfordoingit

　　Areasons

　　Bexcuses

　　Canswers

　　Dplans

　　2Theriverwidensconsiderablyasitbeginstoturnwest

　　Atwists

　　Bstretches

　　Cbroadens

　　Dbends

　　3Henrycannotresistthelureofdrugs.

　　Aabuse

　　Bflavor

　　Ctemptation

　　Dconsumption

　　4Theseprogrammesareofimmensevaluetooldpeople.

　　Anatural

　　Bfatal

　　Ctiny

　　Denormous

　　5Agreatdealhasbeendonetoremedythesituation

　　Amaintain

　　Bimprove

　　Cassess

　　Dprotect

　　6JohniscollaboratingwithMaryinwritinganarticle

　　Acooperating

　　Bcompeting

　　Ccombining

　　Darguing

　　7Heisdeterminedtoconsolidatehispower

　　Astrengthen

　　Bcontrol

　　Cabandon

　　Dexercise

　　8Manyscientistshavebeenprobingpsychologicalproblems

　　Asolving

　　Csettling

　　Bexploring

　　Dhandling

　　9Hearingproblemsmaybealleviatedbychangesindietandexercisehabits

　　Aremoved

　　Bcured

　　Cworsened

　　Drelieved

　　10Andthecarsaretestedfordefectsbeforeleavingthefactory

　　Afunctions

　　Cmotions

　　Bfaults

　　Dparts

　　11Thefoodisinsufficientforthreepeople.

　　Ainstant

　　Binfinite

　　Cinexpensive

　　Dinadequate

　　12Thousandsofpeopleperishedinthestorm.

　　Adied

　　Bsuffered

　　Cfloated

　　Dscattered

　　13Butintheendheapprovedofourproposal

　　Aundoubtedly

　　Bcertainly

　　Cultimately

　　Dnecessarily

　　14Foryoungchildren，gettingdressedisacomplicatedbusiness.

　　Astrange

　　Bcomplex

　　Cpersonal

　　Dfunny

　　15InBritainandmanyothercountriesappraisalisnowatoolofmanagement.

　　Aevaluation

　　Befficiency

　　Cproduction

　　Dpublicity

　　二、阅读判断。

阅读下面这篇短文，短文后列出了6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，请在答题卡上把A涂黑;如果该句提供的是错误信息，请在答题卡上把B涂黑;如果该句的信息文章中没有提及，请在答题卡上把C涂黑。

　　Computers

　　Beforethewidespreaduseofcomputers,managerscouldnotmakefulluseoflargeamountsofvaluableinformationaboutacompany'sactivities.Theinformationeitherreachedmanagerstoolateorwastooexpensivetobeused.Today,managersarefacingawiderangeofdataprocessingandinformationinstruments.Inplaceofafewfinancialcontrols,managerscandrawoncomputer-basedinformationsystemstocontrolactivitiesineveryareaoftheircompany.Onanykindsofperformancemeasures,theinformationprovidedbythesesystemshelpsmanagerscomparestandardswithactualresults,findoutproblems,andtakecorrectiveactionbeforeitistoolatetomakechanges.

　　Theintroductionofcomputerizedinformationsystemshassharplychangedmanagementcontrolinmanycompanies.Evenaneighborhoodshopkeepermaynowusecomputerstocontrolsales,billing,andotheractivities.Inlargecompanies,electronicdataprocessingsystemsmonitorentireprojectsandsetsofoperations.

　　Now,thereareabout24millionmicrocomputersinuseintheUnitedStates——oneforevery10citizens.Itisestimatedthatby1996,61percentofAmericanmanagerswillbeusingsomesortofelectronicworkstation.Inorderformanagerstobesurethatthecomputer-basedinformationtheyarereceivingisaccurate,theyneedtounderstandhowcomputerswork.However,inmostcasestheydonotneedtolearnhowtoprogramcomputers.Rather,managersshouldunderstandhowcomputerizedinformationsystemswork;howtheyaredeveloped;theirlimitationsandcosts;andthemannerinwhichinformationsystemsmaybeused.Suchanunderstandingisnotdifficulttoachieve.

　　Oneresearchfoundthatbusinessfirmsweremoresuccessfulinteachingbasicinformationaboutcomputerstobusinessgraduatesthantheywereinteachingbusinesssubjectstocomputersciencegraduates.

　　16Today,conventionalfinancialcontrolsarestillexercisedinsomeminorareassuchasbillingandvocationaltraining.

　　ARightBWrongCNotmentioned

　　17Itisunnecessaryforaneighborhoodbakertouseacomputerinhisshop

　　ARightBWrongCNotmentioned

　　18Atpresentabout10%ofAmericancitizenspossessamicrocomputer.

　　ARightBWrongCNotmentioned

　　19Onethingthatmanagersdonothavetounderstandishowcomputerswork.

　　ARightBWrongCNotmentioned

　　20Insomecasesmanagershavetolearnhowtowriteprogramssoastoworkoutcomputerizedinformationsystemsthatsuittheirowncompaniesbest.

　　ARightBWrongCNotmentioned

　　21Computerizedfirmswouldratheremploybusinessgraduatesthancomputersciencegraduatesbecauseitiseasiertotraintheformerintoqualifiedemployees.

　　ARightBWrongCNotmentioned

　　三、概括大意与完成句子。

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。

　　LEDLighting

　　AnaccidentaldiscoveryannouncedrecentlyhastakenLEDlightingtoanewlevel,suggestingitcouldsoonofferacheaper,longer-lastingalternativetothetraditionallightbulb.ThebreakthroughaddstoagrowingtrendthatislikelytoeventuallymakeThomasEdison’sbrightinvention1obsolete.LEDsarealreadyusedintrafficlights,flashlights,andarchitecturallighting.Theyareflexibleandoperatelessexpensivelythantraditionallighting.

　　MichaelBowers,agraduatestudentatVanderbiltUniversity,wasjusttryingtomakereallysmallquantumdots,whicharecrystalsgenerallyonlyafewnanometersbig.Quantumdotscontainanywherefrom100to1,000electrons.They’reeasilyexcitedbundlesofenergy,andthesmallertheyare,themoreexcitedtheyget.EachdotinBower’sparticularbatchwasexceptionallysmall,containingonly33or34pairsofatoms.

　　Whenyoushinealightonquantumdotsorapplyelectricitytothem,theyreactbyproducingtheirownlight,normallyabright,vibrantcolor.ButwhenBowersshinedalaseronhisbatchofdots,somethingunexpectedhappened.Hewassurprisedwhenawhiteglowcoveredthetable.Thequantumdotsweresupposedtoemitbluelight4,butinsteadtheyweregivingoffabeautifulwhiteglow.

　　ThenBowersandanotherstudentgottheideatostirthedotsintopolyurethaneandcoatablueLEDlightbulbwiththemix.Thelumpybulbwasn’tpretty,butitproducedwhitelightsimilartoaregularlightbulb.

　　LEDsproducetwiceasmuchlightasaregular60wattbulbandburnforover50.000hours.TheDepartment

　　ofEnergyestimatesLEDlightingcouldreduceU.S.energyconsumptionforlightingby29percentby2025.LEDsdon’temitheat,sothey’realsomoreenergyefficient.Andthey’remuchhardertobreak.

　　Quantumdotmixturescouldbepaintedonjustaboutanythingandelectricallyexcitedtoproducearainbowofcolorstincludingwhite.Themainlightsourceofthefuturewillalmostsurelynotbeabulb.Itmightbeatable,awall,orevenafork.

　　23.Paragraph1_____

　　24.Paragraph3_____

　　25.Paragraph5_____

　　26.Paragraph6_____

　　A.LEDLightingIsNotMature

　　B.LEDLightingWillReplaceTraditionalLighting

　　C.AlmostEverythingCouldBetheMainLightSourceintheFuture

　　D.LEDLightingHasManyAdvantages

　　E.BowersMadeanUnexpectedDiscovery

　　F.LEDLightBulbsLookLumpy

　　27.Unliketraditionallighting,LEDsdonotgiveoutheatso_____.

　　28.Edison’sbrightinventionislikelytobeoutdatedbecause_____.

　　29.SomethingunexpectedhappenedduringBower’sexperimentwhen_____.

　　30.Overonequarterofenergyconsumptionforlightingcouldbesavedby2025if.

　　A.traditionallightingislessdurableanddearer

　　B.alaserexcitedthequantumdots

　　C.AmericaadoptedLEDs

　　D.graduatestudentsworkhard

　　E.quantumdotmixturesaremagic

　　F.itismoreefficient

　　　　四、阅读理解。

下面有3篇短文，每篇短文后有5道题。

请根据短文内容，为每题确定1个最佳选项。

　　第一篇

　　EattoLive

　　Ameagerdietmaygiveyouhealthandlonglife,butit’snotmuchfun—anditmightnotevenbenecessary.Wemaybeabletohangontomostofthatyouthfulvigorevenifwedon’tstarttodietuntiloldage.

　　StephenSpindlerandhiscolleaguesfromtheUniversityofCaliforniaatRiversidehavefoundthatsomeofanelderlymouse’slivergenescanhemadetobehaveastheydidwhenthemousewasyoungsimplybylimitingitsfoodforfourweeks.Thegeneticrejuvenationwon’treverseotherdamagecausedbytimeforthemouse,butcouldhelpitslivermetabolizedrugsorgetridoftoxins.

　　Spindlersteamfedthreemiceanormaldietfortheirwholelives,andfedanotherthreeonhalf-rations.Threemoremicewereswitchedfromthenormaldiettohalf-feedforamonthwhentheywere34monthsold—equivalenttoabout70humanyears.

　　Theresearcherscheckedtheactivityof11,000genesfromthemouselivers,andfoundthat46changedwithageinthenormallyfedmice.Thechangeswereassociatedwiththingslikeinflammationandfreeradicalproduction—probablybadnewsformousehealth.Inthemicethathaddietedniltheirlives,27ofthose46genescontinuedtobehavelikeyounggenes.Butthemostsurprisingfindingwasthatthemicethatonlystarteddietinginoldagealsobenefitedfrom70percentofthesegenechanges.

　　“Thisisthefirstindicationthattheseeffectskickinprettyquickly.”sayHuberWarnerfromtheNationalInstituteonAgingnearWashingtonD.C.

　　Nooneyetknowsifcalorierestrictionworksinpeopleasitdoesinmice,butSpindlerishopeful.“There’sattractingandtemptingevidenceouttherethatitwillwork,”hesays.

　　Ifitdoesworkinpeople,theremightbegoodreasonsforrejuvenatingtheliver.Aswegetolder,ourbodiesarelessefficientatmetabolizingdrugs,forexample.Abriefperiodoftimeofdieting,saysSpindler,couldbeenoughtomakesureadrugiseffective.

　　ButSpindlerisn’tsurethetrade-offisworthit.“Themicegetlessdisease,theylivelonger,butthey’rehungry,”hesays,“Evenseeingwhatadietdoes,it’sst