精品学习网整理编辑了，2009年度全国职称英语等级考试真题及答案理工类（C级），希望对广大考生有所帮助！
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。
1I'dverymuchliketoknowwhatyouraiminlifeis.
AthoughtBidea
CgoalDplan
2Thepolicemenactedquicklybecauseliveswereatstake
AindangerBindifficulty
CindespairDoutofcontrol
3Practicallyallanimalscommunicateeitherthroughsoundsorthroughsoundlesscodes.
ACertainlyBProbably
CAlmostDAbsolutely
4MaryrarelyspeakstoSusan.
AslowlyBseldom
CweaklyDconstantly
5I'mworkingwithaguyfromLondon
AteacherBstudent
CfriendDman
6You'dbetterputthesedocumentsinasafeplace
AdarkBsecure
CguardedDbanned
7Thecourageousboyhasbeenthesubjectofmassivemediacoverage.
AextensiveBcontinuous
CinstantDquick
8Thetownisfamousforitsmagnificentbuildings
Ahigh-riseBmodern
CancientDsplendid
9Thegreatchangeofthecityastonishedallthevisitors.
AsurprisedBscared
CexcitedDmoved
10Jackpackedupallthethingshehadaccumulatedoverthelasttenyears.
AfutureBfar
CpastDnear
11Wouldyoupleasecallmyhusbandassoonaspossible？
AvisitBphone
CconsultDinvite
12Wehadalongconversationaboutherparents
AspeechBquestion
CtalkDdebate
13Thechairmanproposedthatwestopthemeeting.
AstatedBannounced
CdemandedDsuggested
14Obviouslythesepeoplecanbereliedoninacrisis.
AlivedonBdependedon
CbelievedinDjoinedin
15ThereisalwaysexcitementattheOlympicGameswhenanathletebreaksarecord
AbeatsBmaintains
CmatchesDtries
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.
RadiocarbonDating
Nowadaysscientistscananswermanyquestionsaboutthepastthroughatechniquecalledradiocarbon（放射性碳），orcarbon-14，dating.Onekeytounderstandinghowandbysomethinghappenedistodiscoverwhenithappened.
Radiocarbondatingwasdevelopedinthelate1940sbyphysicistWillardF.LibbyatheUniversityofChicago.Anatomofordinarycarbon，calledcarbon-12，hassixprotons（中子）andsixneutrons（质子）initsnucleus.Carbon-14，orC-14，isaradioactive，unstableformofcarbonthathastwoextraneutrons（原子核）.Itreturnstoamorestableformofcarbonthroughaprocesscalleddecay（衰减）.Thisprocessinvolvesthelossofheextraneutronsandenergyfromthenucleus.
InLibby'sradiocarbondatingtechnique，theweakradioactiveemissions（放射）fromhisdecayprocessarecountedbyinstrumentssuchasaradiationdetectorandcounter.HedecayrateisusedtodeterminetheproportionofC-14atomsinthesamplebeingdated.
Carbon-14isproducedintheEarth'satmospherewhennitrogen（氮）-14，orN-14，interactswithcosmicrays（宇宙射线）.ScientistsbelievesincetheEarthwasformed，themountofnitrogenintheatmospherehasremainedconstant.Consequently，C-14formationisthoughttooccurataconstantrate.NowtheratioofC-14toothercarbontomsintheatmosphereisknown.Mostscientistsagreethatthisratioisusefulfordatingitemsbacktoatleast50，000years.
AlllifeonEarthismadeoforganicmolecules（分子）thatcontaincarbonatomscomingfromtheatmosphere.SoalllivingthingshaveaboutthesameratioofC-14atomstoothercarbonatomsintheirtissues（组织）.Onceanorganism（有机体）diesittopstakingincarboninanyform，andtheC-14alreadypresentbeginstodecay.OvertimetheamountofC-14inthematerialdecreases，andtheratioofC-14toothercarbontomsgoesdown.Intermsofradiocarbondating，thefewerC-14atomsinasample，theolderthatsampleis.
16Nowadaysmanyscientistsdependonradiocarbonfordatingage-oldobjects
ARightBWrongCNotmentioned
17Theradiocarbondatingtechniqueisonlyabout40yearsold
ARightBWrongCNotmentioned
18Anatomofordinarycarbonhassixprotonsandeightneutrons
ARightBWrongCNotmentioned
19Radarisusedtodeterminethecharacteristicsofradiocarbon.
ARightBWrongCNotmentioned
20Radiocarbonisreliableindatinganobjectbacktoatleast50，000years.
ARightBWrongCNotmentioned
21Whenanorganismdies，theC-14initbeginstodecay.
ARightBWrongCNotmentioned
22Thehalf-lifeofC-14isabout25，000years.
ARightBWrongCNotmentioned
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1～4段每段1选择个最佳标题；（2）第27～30题要求从所给的6个选项中为每个确定1个最佳选项。
MeetYourMemory
1Memoryissomethingthatcannotbeseen，touchedorweighed.Itisthoughttobeabstract.Itisasetofskillsratherthananobject.Neitheristhereasinglestandardforjudgingagoodorpoormemory.Thereareanumberofdifferentwaysinwhichapersonmayhavea'good'memory.
2Memoryisgenerallyviewedasconsistingofthreestages：（1）acquisitionreferstolearningthematerial；（2）storagereferstokeepingthematerialinthebrainuntilitisneeded；and（3）retrieval（提取）referstogettingthematerialbackoutwhenitisneeded.
3Memoryconsistsofatleasttwodifferentprocesses：short-termmemoryandlong-termmemory.Short-termmemoryhasalimitedcapacityandarapidforgettingrate.Itscapacitycanbeincreasedbychunking（组成大块），orgroupingseparatebitsofinformationintolargerchunks.Long-termmemoryhasanalmostunlimitedcapacity.
4Onemeasureofmemoryisrecall，whichrequiresyoutoproduceinformationbysearchingthememoryforit.Inaidedrecall，youaregivencues（提示）tohelpyouproducetheinformation.Infree-recalllearningyourecallthematerialinanyorder；inseriallearningyourecallitintheorderitwaspresented；andinpaired-associatelearningyoulearnpairsofwordssothatwhenthefirstwordisgivenyoucanrecallthesecondword.Asecondmeasureofmemoryisrecognition，inwhichyoudonothavetoproducetheinformationfrommemory，butmustbeabletoidentifyitwhenitispresentedtoyou.Inathirdmeasureofmemory，relearning，thedifferencebetweenhowlongittooktolearnthematerialthefirsttimeandhowlongittakestolearnitagainindicateshowmuchyouremember.Relearningisgenerallyamoresensitivemeasureofmemorythanisrecognitionbecauserelearningshowsretention（保持）whilerecognitiondoesnot.Recognitionisgenerallyamoresensitivemeasurethanrecall.
23Paragraph1
24Paragraph2
25Paragraph3
26Paragraph4
AWhydoweforgetthings？
BHowdowemeasurememory？
CWhatarethestagesmemoryconsistsof？
DWhatisthedifferencebetweenshort-termmemoryandlong-termmemory？
EWhatismemory？
FWhomayhaveapoormemory？
27Rememberinginvolvesgettingthematerialbackoutwhenitis
28Groupingbitsofinformationintolargerchunkshelpsimprovethecapacityofour
29Long-termmemoryhasanalmostunlimitedcapacityanda
30Asameasureofmemory，relearningismoresensitivethan
Ashort-termmemory
Brelearning
Cneeded
Dcoded
Erecognition
Fslowforgettingrate
第4部分：阅读理解（第31～45题，每题3分，共45分）
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LightNight，DarkStars
Thousandsofpeoplearoundtheglobestepoutsidetogazeattheirnightsky.Onaclearnight，withnoclouds，moonlight，orartificiallightstoblocktheview，peoplecanseemorethan14，000starsinthesky，saysDennisWard，anastronomer（天文学家）withtheUniversityCorporationforAtmosphericResearch（UCAR）inBoulder，Colo.Butwhenpeoplearesurroundedbycitylights，hesays，they'reluckytosee150stars.
Ifyou'veeverdriventowardabigcityatnightandseenitsglowfromagreatdistance，you'vewitnessedlightpollution.Itoccurswhenlightfromstreetlights，office（照亮）thenightbuildings，signs，andothersourcesstreamsintospaceandilluminates~sky.Thishaze（朦胧）oflightmakesmanystarsinvisibletopeopleonEarth.Evenatnight，bigcitieslikeNewYorkglowfromlightpollution，makingstargazingdifficult.
Dustandparticlesofpollutionfromfactoriesandindustriesworsentheeffectsoflightpollution.“Ifonecityhasalotmorelightpollutionthananother，”Wardsays，“thatcitywillsuffertheeffectsoflightpollutiononamuchgreaterscale.”
Hazyskiesalsomakeitfarmoredifficultforastronomerstodotheirjobs.
Citiesaregettinglarger.Suburbsaregrowinginoncedark，ruralareas.Lightfromallthisnewdevelopmentisincreasinglyobscuring（使变模糊）thefaint（微弱的）lightgivenoffbydistantstars.Andifscientistscan'tlocatetheseobjects，theycan'tlearnmoreaboutthem.
Lightpollutiondoesn'tonlyaffectstarvisibility.Itcanharmwildlifetoo.It'sclearthatartificiallightcanattractanimals，makingthemgooffcourse.There'sincreasingevidence，forexample，thatmigrating（迁徙）birdsusesunsetsandsunrisestohelpfindtheirway，saysSydneyGauthreauxJr.，ascientistatClemsonUniversityinSouthCarolina.“Whenlightoccursatnight，”hesays，“ithasaverydisruptive（破坏性的）influence.”Sometimesbirdsflyintolightedtowers，high-rises，andcablesfromradioandtelevisiontowers.Expertsestimatethatmillionsofbirdsdiethiswayeveryyear.
31Onaclearnight，peoplecansee
A150stars.
Bhundredsofstars.
Conethousandstars.
Dmorethan14，000stars.
32Lightpollutionoccurswhen
Aartificiallightsilluminatethenightsky.
Bthemoonlightsupthenightsky.
Ctoomanystarsarevisibleinthenightsky
Dstreetlightsareturnedoff.
33Nowadaysevensuburbsarebecomingunsuitableforscientiststodotheirjobsbecause
Athenightskythereistoodark.
Btheoncedarkareasarealsopollutedbylights.
Ctheseareasarenotpollutedbychemicals.
Dtheseareasarelessdeveloped.
34Howdoeslightpollutionaffectwildlife？
AAnimalsmaygooffcourse.
BIthelpsmigratingbirdsfindtheirhomes.
CAnimalsareafraidtogooutaftersunset.
DIthelpsbirdsfallasleep.
35Thetitle“LightNight，DarkStars”means
Athenightskyisbrightlylitupandstarsareblack.
Blightsappearatnightandstarsareseeninthedark.
Ccitylightsatnightilluminatestarsinthesky.
Dcitylightsilluminatethenightsky，makingstarsinvisible
第二篇ShoppingatSecond-handClothingStores
When33-year-oldPeteBarthwasincollege，shoppingatsecond-handclothingstoreswasjustsomethinghedid-“likechangingthetiresonhiscar.”Helookedathisbudget，anddecidedhecouldsavealotofmoneybyshoppingforclothesatthriftshops.
“Evennewclothesarefairlydisposable（用后即丢掉的）andwearoutafteracoupleofyears，”Barthsaid.“Inthriftshops，youcanfindsomegreatstuffwhosequalityisbetterthannewclothes.”
Sincethen，Barth，whoworksataGoodwillthriftshopintheUSstateofFlorida，hasfoundthatthereareallkindsofreasonsforshoppingforsecond-handclothing.Somepeoplelikehim，shoptosavemoney.Someshopforacrazy-lookingshirt.Andsomehopasameansofconservingenergyandhelpingtheenvironment.
PatAkins，anaccountantataFloridaSalvationArmy（SA）（救世军）thriftshop，saidhat，forher，shoppingatthriftshopsisawaytohelptheenvironment.
“Whenmydaughterwaslittle，welookedatitasrecycling，”Akinssaid.“Also，whyay30dollarsforanewcoatwhenyoucangetanotheroneforalotless？”
AkinssaidthattheSAhasshopsallovertheUS-“someasbigasdepartmentstores.”Alloftheclothesaredonated（捐赠），andwhentheyhaveasurplus（盈余），they'llhave“stuffabag”specials，wherecustomerscanfillagrocerysackwithclothesforonlyor10dollars.
JuliaSlocum，22，pointsout，however，thatthehugeamountofsecond-handclothingintheUSistheresultofAmericanwastefulness.
I'dsaythatsecond-handstoresaretheresultofourwasteful，materialisticculture，“saidSlocum，whoworksforapro-conservationorganization，theCenterforaNewAmericanDream.”Thriftshopspreventthatwastefromgoingtolandfills（垃圾填埋场）；theygiveclothingasecondlife，providecheaperclothingforthosewhocan'taffordtobuynewonesandgenerate（生成）incomeforcharities.Theyalsoprovideawayforthewealthyandmiddleclassestoshed（摆脱）someoftheguiltfortheirlevelofconsumption.“
36WhichstatementaboutBarthisNOTtrue？
AHeis33yearsoldnow.
BHeworksataGoodwillthriftshop.
CHeworksataSalvationArmythriftshop.
DHewasacollegestudentmanyyearsago
37WhenBarthwasacollegestudent，heoftenshoppedatthriftshops
Atosavemoney.
Btosaveenergy.
Ctohelptheenvironment.
Dtomakefriendswithpoorpeople.
38WhatdoesAkinsdo？
ASheisasoldier.
BSheisanaccountant.
CSheisasaleswoman
DSheisaroadsweeper.
39ThriftshopscandoeverythingEXCEPT
Agiveclothingasecondlife.
Bgenerateincomeforcharities.
Cprovidecheaperclothesforthepoor.
Dstoprichpeoplefromwastingmoney
40Theword“thrift”inparagraph1couldbebestreplacedby
Acharity.
Bonedollar.
Cfirstclass.
Dtwodollars.
第三篇Water
Thesecondmostimportantconstituent（构成成份）ofthebiosphere（生物圈）isliquidwater.Thiscanonlyexistinaverynarrowrangeoftemperatures，sincewaterfreezesat0℃andboilsat100℃。Lifeasweknowitwouldonlybepossibleonthesurfaceofaplanetwhichhadtemperaturessomewherewithinthisnarrowrange.
Theearth'ssupplyofwaterprobablyremainsfairlyconstantinquantity.Thetotalquantityofwaterisnotknownveryaccurately，butitisaboutenoughtocoverthesurfaceoftheglobetoadepthofabouttwoandthree-quarterkilometers.Mostofitisintheformofthesaltwateroftheoceans-about97percent.Therestisfresh，butthree-quartersofthisisintheformoficeatthePolesandonmountains，andcannotbeusedbylivingsystemsuntilmelted.Oftheremainingfractionalwhichissomewhatlessthanonepercentofthewhole，thereis10—20timesasmuchstoredundergroundwaterasthereisactuallyonthesurface.Thereisalsoatiny，butextremelyimportantfractionofthewatersupplywhichispresentaswatervaporintheatmosphere.
Watervaporintheatmosphereisthechannelthroughwhichthewholewatercirculation（循环）ofthebiospherehastopass.Waterevaporated（蒸发）fromthesurfaceoftheoceans，fromlakesandriversandfrommoist（潮湿的）earthisaddedtoit.Fromitthewatercomesoutagainasrainorsnow，fallingoneithertheseaortheland.Thereis，asmightbeexpected，amoreintensiveevaporationperunitareaovertheseaandoceansthanovertheland，butthereismorerainfalloverthelandthanovertheoceans，andthebalanceisrestoredbytherunofffromthelandintheformofrivers.
41Liquidwateronlyexists
Ainthecenteroftheearth.
Bonthesurfaceofourplanet.
Cinaverynarrowrangeoftemperatures
Dinthecoastalareasoftheearth.
42ThetotalquantityofwateronEarth
Aremainsalmostunchanged.
Bhasgreatlyincreasedinrecentyears
Cisdecreasingconstantly.
Disaffectedbyglobalwarming.
43MostofthefreshwateronEarth
Aisstoredunderground.
BisintheformoficeatthePolesandonmountains
Cisfoundinriversandlakes.
Dcomesfromtherain.
44Theword“fraction”inthesecondparagraphmeans
Aaverysmallamount.
Balargearea.
Canimportantsystem.
Damajorsourceofinformation.
45Thereismorerainfall
Aoverthemountainsthanovertherivers
Bovertheriversthanoverthemountains.
Covertheoceansthanovertheland.
Doverthelandthanovertheoceans
第5部分：补全短文（第46～50题，每题2分，共10分）
下面的短文有5处空白，短文后有6个句子，其中5个取自短文，请根据短文内容将其分别放回原有位置，以恢复文章原貌。
ABadIdea
Thinkyoucanwalk，drive，takephonecalls，e-mailandlistentomusicatthesametime？Well，NewYork'snewlawsaysyoucan't.（46）Thelawwentintoforcelastmonth，followingresearchandashockingnumberofaccidentsthatinvolvedpeopleusingelectronicgadgets（小巧机械）whencrossingthestreet.
Who'stoblame？（47）“Weareundertheimpressionthatourbraincandomorethanitoftencan，”saysReneMarois，aneuroscientist（神经科学家）inTennessee.“Butacorelimitationistheinabilitytoconcentrateontwothingsatonce.”
Theyoungpeopleareoftenconsideredthegreatmultitaskers.（48），Agroupof18-to21-year-oldsandagroupof35-to39-year-oldsweregiven90secondstotranslateimagesintonumbers，usingasimplecode.（49）Butwhenbothgroupswereinterruptedbyaphonecalloraninstantmessage，theoldergroupmatchedtheyoungergroupinspeedandaccuracy.
Itisdifficulttomeasuretheproductivitylostbymultitaskers.Butitisprobablyalot.JonathanSpira，chiefanalystatBasex，abusiness-researchfirm，estimatesthecostofinterruptionstotheAmericaneconomyatnearly$650billionayear.（50）Thesurveysconcludethat28percentoftheworkers'timewasspentoninterruptionsandrecoverytimebeforetheyreturnedtotheirmaintasks.
ATalkingonacellphonewhiledrivingbringsyoujoyanyway
BTheestimateisbasedonsurveyswithofficeworkers
CTheyoungergroupdid10percentbetterwhennotinterrupted
DHowever，anOxfordUniversityresearchsuggeststhisperceptionisopentoquestion.
EScientistssaythatourmultitasking（多任务处理）abilitiesarelimited
FAndyou'llbefined$100ifyoudosoonaNewYorkCitystreet
第6部分：完形填空（第51～55题，每题1分，共15分）
下面的短文有15处空白，请根据短文内容为每处空白确定一个最佳选项。
OneGoodReasontoLetSmallpoxLive
It'snowafairbetthatwewillneverseethetotalextinction（灭绝）ofthesmallpox（天花）virus.Whensmallpoxwascompletelygotridofintheworld，scientistswantedto（51）thekillervirusinthelasttwolabs-oneintheUSandoneinRussia.Theyasked：Ifsmallpoxhastrulygonefromtheplanet，（52）pointwasthereinkeepingthesereserves？
inreality，ofcourse，itwasnaiveto（53）thateveryonewouldletgoofsuchapowerfulpotentialweapon.Undoubtedlyseveralnationsstillhave（54）vials（小药瓶）。Andthelast“official”stocksoflivevirusbredmistrustoftheUSandRussia，（55）noobviousgain.
NowAmericanresearchershave（56）ananimalmodelofthehumandisease，openingthe（57）fortestsonnewtreatmentsandvaccines（疫苗）。Soonceagainthere'sagoodreasonto（58）thevirus-justin（59）thediseaseputsinareappearance.
Howdowe（60）withthemistrustoftheUSandRussia？（61）。Keepthevirus（62）internationalsupportinawell-guardedUNlaboratorythat'sopentoallcountries.TheUSwillobject，ofcourse，justasit（63）amultilateral（多边的）approachtojustabouteverything.Butitdoesn'tmeantheideais（64）。Ifthevirusisuseful，thenlet's（65）ittheservantofallhumanity-notjustapartofit.
51AdestroyBimproveCchangeDtransport
52AwhichBthatCthisDwhat
53AknowBrealizeCimagineDunderstand
54AmoreBfewCafewDalot
55AinBforCatDof
56AmissedBheldCfoundDchecked
57AwayBroadCrouteDmethod
58AputBkeepCremoveDstudy
59AneedBtimeCfactDcase
60AhandleBtackleCtreatDdeal
61ASimpleBOpenCSafeDPossible
62AforBinConDwith
63AadoptsBrejectsCsuggestsDintroduces
64AdifficultBclearCwrongDcorrect
65AtakeBdoCmakeDask
【参考答案】
1C2A3C4B5D
6B7A8D9A10C
11B12C13D14B15A
16A17B18B19C20A
21A22C23E24C25D
26B27C28A29F30E
31D32A33B34A35D
36C37A38B39D40A
41C42A43B44A45D
46F47E48D49C50B
51A52D53C54C55B
56C57A58B59D60D
61A62D63B64C65C