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
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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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