职称英语理工C真题与答案Word下载.docx

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职称英语理工C真题与答案Word下载.docx

  4.Thenewservicehelpedboostpre-taxprofitsby10%.

  A.returnB.realizeC.increaseD.double

  5.Somecommentsarejustinvitingtrouble.

  A.askingforB.keepingoutofC.gettingintoD.sufferingfrom

  6.HisknowledgeofFrenchisfair.

 A.veryusefulB.verylimitedC.quitegoodD.ratherspecial

  7.Thebookraisedastormofcontroversy.

  A.damageB.voiceC.doubtD.argument

  8.Myprincipalconcernistogetthejobdonefast.

  A.seriousB.mainC.deepD.particular

  9.Lackofspaceforbidsfurthertreatmentofthetopichere.

  A.receivesB.deservesC.acceptsD.prevents

  10.Hemadeanumberofruderemarksaboutthefood.

  A.commentsB.signsC.mannersD.noises

  11.Theyaretryingtoidentifywhatiswrongwiththepresentsystem

  A.proveB.discoverC.considerD.imagine

  12.Hisheartgaveasuddenleapwhenhesawher.

  A.hopeB.jumpC.silenceD.life

  13.Theworstagoniesofthewarwerenowbeginning.

  A.partsB.aspectsC.painsD.results

  14.I’msureI’llbeabletoamusemyselfforafewhours.

  A.entertainB.treatC.holdD.keep

  15.Severalwindowshadbeensmashed.

  A.cleanedB.brokenC.replacedD.fixed

判断SoMany“Earths”

  TheMilkyWaycontainsbillionsofEarth-sizedplanetsthatcouldsupportlifethat'

sthefindingofanewstudy.ItdrawsondatethatcamefromNASA'

stopplanet-huntingtelescope.

  AmechanicalfailurerecentlyputthatKeplerspacetelescopeoutofservice.Keplerhadplayedabigroleincreatingacensusofplanetsorbitingsome170,000stars.Itsdatahavebeenhelpingastronomerspredicthowcommonplanetsareinourgalaxy.ThetelescopefocusedonhuntingplanetsthatmighthaveconditionssimilartothoseonEarth.

  TheauthorsofastudypublishedinTheProceedingsoftheNationalAcademyofsciences,concludethatbetween14and30outofevery100stars,withamassandtemperaturesimilartotheSun,mayhostaplanetthatcouldsupportlifeasweknowit.

  SuchaplanetwouldhaveadiameteratleastaslargeasEarth'

s,butnomorethantwicethatbig.Theplanetalsowouldhavetoorbitinastar'

shabitablezone.That'

swherethesurfacetemperaturewouldallowanywatertoexistasaliquid.

  Thenewestimateofhowmanyplanetsmightfittheseconditionscomesfromstudyingmorethan42,000starsandidentifyingsuitableworldsorbitingthem.Thescientistsusedthosenumberstoextrapolatetotherestofthestarsthatthetelescopecouldnotsee.

  Theestimateisrough,theauthorsadmit.Ifappliedtothesolarsystem,itwoulddefineashabitableazonestartingasclosetotheSunasVenusandrunningtoasfarawayasMars.NeitherplanetisEarthlike(althougheithermighthavebeeninthedistantpast).Usingtighterlimits,theresearchersestimatethatbetween4and8outofevery100SunlikestarscouldhostanEarth-sizedworld.Theseareonesthatwouldtake200to400daystocompleteayearlyorbit.

  Fouroutofevery100sunlikestarsdoesn'

tsoundlikeabignumber.Itwouldmean,however,thattheMilkyWaycouldhostmorethanabillionEarth-sizedplanetswithachangeforlife.

  16.TheKeplerspacetelescopehasbeeninservicefor15years.

  A.RightB.WrongC.Notmentioned

  17.ThemaintaskoftheKeplerspacetelescopeistofindoutplanetswithsimilarconditionstoEarth'

s.

  18.TheplanetthatcouldsupportlifemightbealittlebitsmallerthanEarth.

 A.RightB.WrongC.Notmentioned

  19.TheEarthisplanetorbitingintheSun'

shabitablezone.

  20.Thenewfindingisbasedonathoroughstudyof170,000starsintheMilkyWay.

  21.Theestimateofthenumberofplanetsthatcouldsupportlifeisnotveryaccurate.

  22.Thisisthefirstresearchfindingabouttheplanetswithachanceforlife.

 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个选项中为指定段落每段选择1个小标题;

(2)第27~30题要求从所给的6个选项中为每个句子确定一个最佳选项。

  PathwaystoResearch:

Problem-solving

  1.Pittsburgh’smanyhillsaren’tkindtobikers.AnyonehopingtopedaltoworktherehastocontendwithsteepstreetslikeCantonAvenue,whichfamouslyclimbsatanearly40-degreeangle.Asaresult,someresidentsavoidbikingaltogether.

  2.ButuniversityofPittsburghgraduateMicahToll,23,andafewfriendsrecentlylaunchedaninventionthattheyhopewillincreasethecity’spedalpower:

AnelectricbikecalledaPulsePEVO.Asuper-strongbatterypowersthebicycle.Abletohitnearly20milesperhourwithoutpedaling,itzipsupthecity’smostdaunting(令人却步的)hills.TollhopesitwillpersuadepeopleinPittsburghandelsewheretogetoutoftheircarsandontobikes.

  3.IfitsoundslikeTollhasaknack(窍门)forfixingproblems,that’sbecausehedoes.Inhighschool,hedesignedanewtypeofconstructionbeam.Itweighsnomorethanafeatherpillowbutcanbeusedtobuildsturdy(坚固的)homesforrefugeesfleeingwarornaturaldisaster.Forhiswork,TollwasinvitedtoattendtheIntelInternationalScienceandEngineeringFair(ISEF)----twice,in2006and2007.TheannualcompetitionforyoungresearchersisaprogramofSocietyforScience&

thePublic(that’stheparentorganizationofScienceNewsforKids).Tollsaysthatwhenitcomestoscience,hekeepsitsimple:

”Youseeaproblemandsay,‘HowcouldIsolvethat?

  4.He’snottheonlyonetotakethatapproach.Manyyoungresearchersgettheirstartbytryingtosolveaproblemorfulfillaneedintheirowncommunities.Whenstudentsdedicatethemselvestofindingasolutionthatmaybenefittheircommunity.“apassionisignited(点燃),”Findingthatpassionandfosteringitcanbethekeytomanystudents’futuresuccess.”shesays.

23.Paragraph1___24.Paragraph2___25.Paragraph3__ 26.Paragraph4____

  A.IntelInternationalScienceandEngineeringFair

  B.Theenthusiasmforsolvingproblems

  C.Theyoungresearchers’passion

  D.Aninventionincreasingpedalpower

  E.WhypeopleavoidbikinginPittsburgh

  F.Thecauseofnationaldisaster

  27.APulsePEVOispoweredwith__________.

  28.TollhopeshisPulsePEVOwillencouragepeopleto_________.

 29.AnewconstructionbeamincentedbyTollweighslike_________.

  30.Manyyoungresearchersarefindingsolutionstoproblemsthatmay_____

 A.anearly40-degreeangle

  B.getonbikes  C.afeatherpillow  D.fixmoreproblems

  E.asuper-strongbattery  F.benefittheircommunity

  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CompactDisks

  IfsomeonesaystoyouyourmusicCDsdon'

treallyholdanymusiconthem,andtheyonlyhavenumbersrecordedonthem,youmaynotbelieveit.Infact,heisrightinthatsoundisactuallyrecordedontotheCDsasspecialnumbers—adigitalcode.ThecodeispressedontotheCDasbumps(隆起)onalongspiraltrackalmostfivekilometerslong.Thesebumpsareanaverageof0.5microns(微米)wide.

  AsmalllaserbeamshinesontothebumpsastheCDturns.Thelightisreflectedbacktoareceiverthatrecordshowthelaserlightbouncesback.ThisletstheCDplayerturnthereflectedlightbackintotheoriginalcode.Thismeansyoucanheartheoriginalcodeasmusic.

  Digitalcodesareusedwithmanytechnologies.E-mailneedsthesekindsofcodenumbers.Spaceprobes(探测仪)communicatewiththeirgroundstationonearthusingdigitalcodes.Barcodesarereadasdigitalcodesincomputersystems.Digitalcommunicationswithcellphonesneeddigitalcodes.Weatherradiosalsotuneintospecificsignalsusingthesecodes.

  Therearemanytypesofcompactdisks.OneformatiscalledCD-RWs.Theycanberecordedonandre-recordedon(rewrittenon)asyouwoulddowithafloppydisk(软盘).AnotherformatistheCD-ROM.ThetechnologyforrecordingonthesedisksisdifferentfromotherCDs.TheseCDshaveadyelayerthattheCDwritercandarkenorleaveclear.Theclearanddarkspotsarethedigitalcode.CD-ROMstandsforCompactDisc—ReadOnlyMemory.Thisdiskislikea"

super"

floppydiskthatcanholdlotsofinformation.OneCD-ROMcanholdthesameamountofdataas500floppydisks.Informationispermanentlyrecordedontoit.ComputergamesandotherprogramsareconsideredtobeCD-ROMs.

  CDswerefirstsoldtothepublicin1982.TheseCDsstillplaywellandsoundfine.CurrentCDsareexpectedtolastbetween70to200years.Ofcourse,youcanmakesureyourCDslastalongtimebytakingcareofthem.

  Sciencekeepsondeveloping.Itmaynotbemanymoreyearsbeforeacompletelynewtechnologyisinventedandintroducedtothepublicformusicrecording.Inthemeantime,thereisnodoubtyouwillcontinuetoenjoylisteningtoyourfavoritemusiconCDsandplayingyourfavoritecomputergamesonCD-ROMs.

  (出处:

2014年职称英语教材理工类概括大意与完成句子第四篇)

  31.MusicisrecordedontoCDsas______

  A.laserbeams.

  B.digitalcodes.

  C.musicalnotes.

  D.specialsounds.

32.E-mailismentionedinthethirdparagraphtoshow_____

  A.thevarietyofdigitalcommunications.

  B.thedevelopmentofnewtechnologies.

  C.theusefulnessofdigitalcodes.

  D.therelationshipbetweencommunicationandtechnology.

  33.OneofthedifferencesbetweenCD-RWsandCD-ROMsis______.

  A.CD-ROMscanbeusedforalongertime.

  B.CD-ROMsca

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