2012年职称英语理工类C级补全短文提高练习

2012年职称英语理工类C级补全短文提高练习(1)AllofUShavefeltpain.Wehavecutourselves.Wehavebeenburned.Orwehavehadheadaches.Someofussufferpainrarelypainrarely.______(46)_______Paincantakecompletecontrolofourbodyandmind，makingitimpossibletomoveandeventothink.Yetweneedpain.Withoutit，wewouldnotknow.1fwehavehurtourselves.Itisourbody’swarningsystem.______(47)______.PainisthemostcommonreasonwegotoadoctorItisthemostcommonreasonwetakemedicines.Untilrecently，however,mostdoctorsknewofonlyafewdrugsthatstoppedsomepains______(48)______Butnewknowledgeabouttheprocessofpainishelpingthemtocontrolpainbetter.Scientistshavelearnedthatthesenseofpainismadeupofbothchemicalandelectricalsignals.______(49)_____.Scientistsalsohavelearnedthatthenervoussystemsendstwodifferentkindsofpainmessagestothebrain：oneveryfast，theotherslow.Thefirstmessageisthewarningsignal.Itmovesataspeedof30metersasecond.Inlessthanasecond，thebrainunderstandsthatpartofthebodyishurtandhowbadlyitisinjured.______(50)______.Ittellsusnottousetheinjuredpartuntilitheals.AAndothershavepainfulattacksallthetime.BThesesignalstravelfromnervecellsintheinjuredarea，upthespinalcord(脊髓)tothebrain，andbackdownagain.CIttellsusthatWeareinjuredandshoulddosomethingaboutitDTheyknewlittleabouttheprocessofpainitself.ETheothermessagemovesataspeedofonly013~meterasecond.FAndtheysendthesecond，slowermessageofpaintothebrain.答案1.A2.C3.D4.B5.E本篇文章来源于《中大网校》[]；原文链接地址：/2559/8208179028.html2012年职称英语理工类C级补全短文提高练习(2)ConservationorWastedEffort?Theblackrobin(旅鸫)isoneoftheworld'srarestbirds.Itisasmall,wildbird,anditlivesonlyontheislandofLittleMangere,offthecoastofNewZealand.In1967therewereaboutfiftyblackrobinsthere;in1977therewerefewerthanten.__________(46)Energeticstepsarebeingtakentopreservetheblackrobin.__________(47)Theideaistobuyanotherislandnearbyasaspecialhome,a"reserve",forthreatenedwildlife,includingblackrobins.TheorganizerssaythatLittleMangereshouldthenberestocked(重新准备)withtherobin'sfood.ThousandsoftherequiredplantsareatpresentbeingcultivatedinNewZealand.Isallthisconcernawasteofhumaneffort?__________(48)Arewelosingoursenseofwhatisreasonableandwhatisunreasonable?Intheearth'slong,longpasthundredsofkindsofcreatureshaveevolved,risentoadegreeofsuccessanddiedout.Inthelong,longfuturetherewillbemanynewanddifferentformsoflife.Thosecreaturesthatadaptthemselvessuccessfullytowhattheearthofferswillsurviveforalongtime.__________(49)Thisisnature'sprovenmethodofoperation.Theruleofselection--"thesurvivalofthefittest"--istheonebywhichhumanbeingshavethemselvesarrivedonthescene.We,beingoneofthemostadaptablecreaturestheearthhasyetproduced,maylastlongerthanmost.__________(50)Youmaytakeitasanotherrulethatwhen,atlast,humanbeingsshowsignsofdyingout,noothercreaturewillextendapaw(爪)topostponeourdeparture.Onthecontrary,wewillbehurriedout.Lifeseemstohavegrowntootoughforblackrobins.Ileaveyoutojudgewhetherweshouldtrytodoanythingaboutit.ASomecreatures,certainsmallanimals,insectsandbirds,willalmostcertainlyoutlast(比…长久)man,fortheyseemevenmoreadaptable.BThosethatfailtomeetthechallengeswilldisappearearly.CDetailedstudiesaregoingon,andapublicappealformoneyhasbeenmade.DBothrepresentordersintheclassificationoflife.EIsitanybusinessofourswhethertheblackrobinsurvivesordiesout?FThesearetheonlyblackrobinsleftintheworld.答案1.F2.C3.E4.B5.A本篇文章来源于《中大网校》[]；原文链接地址：/2559/4586179031.html2012年职称英语理工类C级补全短文提高练习(3)补全短文(第46～50题，每题2分，共10分)阅读下面的短文，文章中有5处空白，文章后面有6组文字，请根据文章的内容选择5组文字，将其分别放回文章原有位置，以恢复文章原貌。请将答案涂在答题卡相应的位置上。MobilePhonesMobilephonesshouldcarryalabeliftheyproved1tobeadangeroussourceofradiation,accordingtoRobertBell,ascientist.Andnomoremobilephonetransmittertowersshouldbebuilduntilthelong-termhealtheffectsoftheelectromagneticradiationtheyemitisscientificallyevaluated,hesaid.“Nobody’sgoingtodropdeadovernight2butweshouldbeaskingformorescientificinformation,”RobertBellsaidataconferenceonthehealtheffectsoflow-levelradiation._____(1)_____Areportwidelycirculatedamongthepublicsaysthatuptonowscientistsdonotreallyknowenoughtoguaranteetherearenoilleffectsonhumansfromelectromagneticradiation.AccordingtoRobertBell,thereare3.3millionmobilephonesinAustraliaaloneandtheyareincreasingby32,000aday._____(2)_____Aswell,thereare2,000transmittertowersaroundAustralia,manyinhighdensityresidentialareas5._____(3)_____Theelectromagneticradiationemittedfromthesetowersmayhavealreadyproducedsomeharmfuleffectsonthehealthoftheresidentsnearby.RobertBellsuggeststhatuntilmoreresearchiscompletedtheGovernmentshouldbanconstructionofphonetowersfromwithina500metreradiusofschoolgrounds,childcarecentres,hospitals,sportsplayingfieldsandresidentialareaswithahighpercentageofchildren._____(4)_____Headdsthatthereisalsoevidencethatifcancersufferersaresubjectedtoelectromagneticwavesthegrowthrateofthediseaseaccelerates._____(5)_____AccordingtoRobertBell,itisreasonableforthemajortelephonecompaniestofundit.Besides,healsourgestheGovernmenttosetupawideranginginquiryintopossiblehealtheffects.A.Hesaysthereisemergingevidencethatchildrenabsorblow-levelradiationataratemorethanthreetimesthatofadults6.B.Bytheyear20004itisestimatedthatAustraliawillhave8millionmobilephones:nearlyoneforeverytwopeopleC.“Ifmobilephonesarefoundtobedangerous,theyshouldcarryawarninglabeluntilpropershieldscanbedevised,”hesaid.D.Thenwhofinancestheresearch?E.Forexample,Telstra,OptusandVodaphonebuildtheirtowerswhereitisgeographicallysuitabletothemanddisregardtheneedofthecommunity.F.Theconclusionisthatmobilephonesbringsmoreharmthanbenefit.答案1.C2.B3.E4.A5.D本篇文章来源于《中大网校》[]；原文链接地址：/2559/10018179033.html2012年职称英语理工类C级补全短文提高练习(4)TheWorld’sLongestRumorhasitthatalegendarysix—headedmonsterlurksinthedeepwatersoftheTyrrhenianSeabetweenItalyandtheislandofSicily.____(1)____Whencompletedin2010，theworld’slongestbridgewillweighnearly300，000tons—equivalenttotheicebergthatsanktheTitanic—andstretch5kilometerslong.“That’snearly50percentlongerthananyotherbridgeeverbuilt，”saysstructuralengineerShaneRixon.____(2)____They’resuspensionbridges，massivestructuresbuilttospanvastwaterchannelsorgorges.Asuspensionbridgeneedsjusttwotowerstoshoulderthestructure’smammothweight，thankstoheftysupportingcablesslungbetweenthetowersandanchoredfirmlyindeeppoolsofcementateachendofthebridge.TheMessinaStraitBridgewillhavetwo54，100-tontowers，whichwillsupportmostofthebridge’sload.Thebeefycablesofthebridge.each1.2meterindiameter,willholdupthelongestandwidestbridgedeckeverbuilt.WhenconstructionbeginsontheMessinaStraitBridgein2005，thefirstjobwillbetoerecttwo370meter-tallsteeltowers.____(3)____Gettingthesecablesupwillbesomething.It’snotjusttheirlength—totally5.3kilometers—buttheirweight.____(4)____Afterloweringvertical“suspender”cablesfromthemaincables.builderswillerecta60meter-wide54.630-tonsteelroadway,ordeck——wideenoughtoaccommodate12lanesoftraffic.Thedeck’sweightwillpulldownonthecableswithaforceof70，500tons.Inreturn，thecablesyankupagainsttheirfirmlyrootedanchorswithaforceof139.000tons—equivalenttotheweightofabout100，000cars.Thoseanchorsareessential.____(5)____A.Someenvironmentalistsareagainsttheprojectonbiologicalgrounds.B.Whatdotheworld’slongestbridgeshaveincommon?C.Iftrue，onedayyoumightspythebeastwhilezipping(呼啸而过)acrosstheMessinaD.They’rewhatwillkeepthebridgefromgoinganywhere.E.Thesecondjobwillbetopulltwosetsofsteelcablesacrossthestrait，eachsetbeing+abundleof44,352individualsteelwires.F.Theywilltipupthescalesat166,500tons—morethanhalfthebridge’stotalmass.答案1.C2.B3.E4.F5.D本篇文章来源于《中大网校》[]；原文链接地址：/2559/9731179037.html2012年职称英语理工类C级补全短文提高练习(5)ThedevelopmentofagricultureandthebalancebetweenfoodandpopulationareChina’sfundamentaleconomicproblems.TheclassicalhistoriespraiseemperorsfordevotiontoagricultureandmuchofChina’smodernhistoryis____(1)____,whichhasbeengrowingsteadily.Today,althoughagricultureaccountsforonlyaquarteroftheGrossNationalProduct,itisstillthemaindeterminantofthestandardoflivingandtheprincipaloccupationofatleast70percentofpopulation.Agriculturealso_____(2)____becauseindustryneedsbothagriculturalrawmaterialsandfoodforitsworkforce.Thefailureofagriculturetosupplyrawmaterialandfoodhaltedandlaterreversedtheindustrialprogressofthe1950’s,After1960newemphasiswasplacedonagriculture,andtheslogan"Agricultureisthefoundationoftheeconomy"hasremainedacentralChineseeconomicpolicyeversince.___(3)___,thereisanindirectlinkduetotherelationshipbetweenagricultureandforeigntrade.ManyofChina’sexportsare___(4)___orconsumergoodsbasedonthem.Flourishingagriculture,therefore,promotesexports.Italsoreducestheneedtospendforeignexchangeonimportsofgrainandcotton,therefore__(5)___.AdeterminestheprogressofindustryBthestoryoftheunfoldingstruggletofeedapeasantpopulationCeitheragriculturalrawmaterialsDenlargingthecapacityoftheeconomytoimportmachineryandcommoditiesforindustryEInadditiontothedirectlinksbetweenagricultureandindustryFthuspromotingbothimportandexport答案1.B2.A3.E4.C5.D本篇文章来源于《中大网校》[]；原文链接地址：/2559/6404179048.html2012年职称英语理工类C级补全短文提高练习(6)ShouldtheU.S.halthumanapaceflight?TheColumbiaaccidenthasrevivedthedebateonwhethertherewardsofhumanspaceexplorationareworththerisksNo.Iwasateacherwhenmenfirstlandedonthemoonin1969,andIrememberhowitmovedmystudentsandthiscountry.(46)Andwehaven'tventuredoutwardsincethen.That's30yearstoolong!America'shumanspace-flightprogramisadrift,withnoclearvisionorgoalsbeyondthecompletionoftheInternationalSpaceStation.IwantNASAtoestablishaphasedseriesofgoalsoverthenext20years,includinghumanvisitstoasteroidsthatcrosstheEarth'