大学英语六级考试真题A卷.docx

大学英语六级考试真题A卷.docx

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大学英语六级考试真题A卷

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2007年12月大学英语六级考试真题（A卷）

CollegeEnglishTest—BandSix—

PartⅠWriting（30minutes）Directions：

Forthispart,youareallowed30minutestowriteashortessayentitledTheDigitalAge.Youshouldwriteatleast150wordsfollowingtheoutlinegivenbelow.1.如今数字化产品得到越来越广泛的使用，例如…2.数字化产品的使用对人们工作、学习和生活产生的影响

TheDigitalAge

PartⅡReadingComprehension（SkimmingandScanning）（15minutes）本题客观选择题共计7分，每小题1分。

Directions:

Inthispartyouwillhave15minutestogooverthepassagequicklyandanswerthequestionsonAnswerSheet1.Forquestions1-7,choosethebestanswerfromthefourchoicesmarkedA）,B）,C）andD）.Forquestions8-10,completethesentenceswiththeinformationgiveninthepassage.SevenWaystoSavetheWorldForgettheoldideathatconservingenergyisaformofself-denial—ridingbicycles,dimmingthelights,andtakingfewershowers.Thesedaysconservationisallaboutefficiency:

gettingthesame—orbetter—resultsfromjustafractionoftheenergy.WhenaslumpinbusinesstravelforcedUlrichRomertocutcostsathisfamily-ownedhotelinGermany,hereplacedhundredsofthehotel’swastefullightbulbs,gettingthesamelightfor80percentlesspower.Heboughtanewwaterboilerwithadigitallycontrolledpump,andwrappedinsulationaroundthepipes.Spendingabout€100,000ontheseandotherimprovements,heslashedhis€90,000fuelandpowerbillby€60,000.Asabonus,thehotel’slowerenergyneedshavereduceditsannualcarbonemissionsbymorethan200metrictons.“Forus,savingenergyhasbeenvery,veryprofitable,”hesays.“Andmostimportantly,we’renotgivingupasinglecomfortforourguests.”Efficiencyisalsoagreatwaytolowercarbonemissionsandhelpslowglobalwarming.Butthebestargumentforefficiencyisitscost—or,moreprecisely,itsprofitability.That’sbecausequicklygrowingenergydemandrequiresimmenseinvestmentinnewsupply,nottomentionthedrainofrisingenergyprices.Nowonderefficiencyhasmovedtothetopofthepoliticalagenda.OnJan.10,theEuropeanUnionunveiledaplantocutenergyuseacrossthecontinentby20percentby2020.LastMarch,Chinaimposeda20percentincreaseinenergyefficiencyby2020.EvenGreorgeW.Bush,theTexasoilman,isexpectedtotalkaboutenergyconservationinhisStateoftheUnionspeechthisweek.Thegoodnewsisthattheworldisfullofproven,cheapwaystosaveenergy.Herearetheseventhatcouldhavethebiggestimpact:

InsulateSpaceheatingandcoolingeatsup36percentofalltheworld’senergy.There’svirtuallynolimittohowmuchofthatcanbesaved,asprototype“zero-energyhomes”inSwitzerlandandGermanyhaveshown.There’sbeenasurgeinnewwaysofkeepingheatinandcoldout（orviceversa）.Themostadvancedinsulationfollowsthelawofincreasingreturns:

ifyouaddenough,youcanscaledownoreveneliminateheatingandair-conditioningequipment,loweringcostsevenbeforeyoustartsavingonutilitybills.Studieshaveshownthatgreenworkplaces（onesthatdon’tconstantlyneedtohavetheheatorair-conditionerrunning）havehigherworkerproductivityandlowersickrates.ChangeBulbsLightingeatsup20percentoftheworld’selectricity,ortheequivalentofroughly600,000tonsofcoaladay.Fortypercentofthatpowersold-fashionedincandescentlightbulbs—a19th-centurytechnologythatwastesmostofthepoweritconsumesonunwantedheat.Compactfluorescentlamps,orCFLs,notonlyuse75to80percentlesselectricitythanincandescentbulbstogeneratethesameamountoflight,buttheyalsolast10timeslonger.Phasingoldbulbsoutby2030wouldsavetheoutputof650powerplantsandavoidthereleaseof700milliontonsofcarbonintotheatmosphereeachyear.ComfortZoneWaterboilers,spaceheatersandairconditionershavebeennotoriouslyinefficient.Theheatpumphasalteredthatequation.Itremovesheatfromtheairoutsideorthegroundbelowandusesittosupplyheattoabuildingoritswatersupply.Inthesummerthesystemcanbereversedtocoolbuildingsaswell.MostnewresidentialbuildingsinSwedenarealreadyheatedwithground-sourceheatpumps.Suchsystemsconsumealmostnoconventionalfuelatall.Severalcountrieshaveusedsubsidiestojump-startthemarket,includingJapan,wherealmost1millionheatpumpshavebeeninstalledinthepasttwoyearstoheatwaterforshowersandhottubs.RemakeFactoriesFromsteelmillstopaperfactories,industryeatsupaboutathirdoftheworld’senergy.Theopportunitiestosavearevast.InLudwigshafen,GermanchemicalsgiantBASFrunsaninterconnectedcomplexofmorethan€200chemicalfactories,whereheatproducedbyonechemicalprocessisusedtopowerthenext.AttheLudwigshafensitealone,suchrecyclingofheatandenergysavesthecompany200millionayearandalmosthalfitsCO2emissions.NowBASFisdoingthesamefornewplantsinChina.“Optimizing（优化）energyefficiencyisadecisivecompetitiveadvantage,”saysBASFCEOJürgenHambrecht.GreenDrivingAquarteroftheworld’senergy—includingtwothirdsoftheannualproductionofoil—isusedfortransportation.Somesavingscomefreeofcharge:

youcanboostfuelefficiencyby6percentsimplybykeepingyourcar’stiresproperlyinflated（充气）.Gasoline-electrichybrid（混合型的）modelsliketheToyotaPriusimprovemileagebyafurther20percentoverconventionalmodels.ABetterFridgeMorethanhalfofallresidentialpowergoesintorunninghouseholdappliances,producingafifthoftheworld’scarbonemissions.Andthat’strueeventhoughmanufacturershavealreadyhikedtheefficiencyofrefrigeratorsandotherwhitegoodsbyasmuchas70percentsincethe1980s.AccordingtoanlnternationalEnergyAgencystudy,ifconsumerschosethosemodelsthatwouldsavethemthemostmoneyoverthelifeoftheappliance,they’dcutglobalresidentialpowerconsumption（andtheirutilitybills）by43percent.FlexiblePaymentWhosaysyouhavetopayforallyourconservationinvestments?

“Energyservicecontractors”willpayforretrofitting（翻新改造）inreturnforashareoftheclient’sannualutility-billsavings.InBeijing,ShenwuThermalEnergyTechnologyCo.specializesinretrofittingChina’ssteelfurnaces.Shenwuputsuptheinitialinvestmenttoinstallaheatexchangerthatpreheatstheairgoingintothefurnace,slashingtheclient’sfuelcosts.Shenwupocketsacutofthosesavings,sobothShenwuandtheclientprofit.Ifsavingenergyissoeasyandprofitable,whyisn’teveryonedoingit?

Ithastodowithpsychologyandalackofinformation.Mostofustendtolookattoday’spricetagmorethantomorrow’spotentialsavings.Thatholdsdoubleforthelandlordordeveloper,whowon’tactuallyseeapennyofthesavingshisinvestmentinbetterinsulationorabetterheatingsystemmightgenerate.Inmanypeople’sminds,conservationisstillassociatedwithself-denial.Manyenvironmentalistsstillpushthatview.

Smartgovernmentscanhelppushthemarketintherightdirection.TheEU’s1994lawonlabelingwassuchasuccessthatitextendedthesameideatoentirebuildingslastyear.Toboostthemarketvalueofefficiency,allnewbuildingsarerequiredtohavean“energypass”detailingpowerandheatingconsumption.CountrieslikeJapanandGermanyhavesuccessivelytightenedbuildingcodes,requiringanincreaseininsulationlevelsbutleavingituptobuilderstodecidehowtomeetthem.Themostpowerfulincentives,ofcourse,willcomefromthemarketitself.Overthepastyear,sky-highfuelpriceshavefocusedmindsonefficiencylikeneverbefore.Ever-increasingpressuretocutcostshasfinallyforcedmorecompaniestodosomemathontheirenergyuse.Willitbeenough?

Withglobaldemandandemissionsrisingsofast,wemaynothaveanychoicebuttotry.Efficienttechnologyisherenow,provenandcheap.Comparedwithallotheroptions,it’sthebiggest,easiestandmostprofitablebangforthebuck.1.Whatissaidtobethebestwaytoconserveenergynowadays?

A）Raisingefficiency.B）Cuttingunnecessarycosts.C）Findingalternativeresources.D）Sacrificingsomepersonalcomforts.2.WhatdoestheEuropeanUnionplantodo?

A）Diversifyenergysupply.B）Cutenergyconsumption.C）Reducecarbonemissions.D）Raiseproductionefficiency.3.Ifyouaddenoughinsulationtoyourhouse,youmaybeableto________.A）improveyourworkenvironmentB）cutyourutilitybillsbyhalfC）getridofair-conditionersD）enjoymuchbetterhealth4.Howmuchofthepowerconsumedbyincandescentbulbsisconvertedintolight?

A）Asmallportion.B）Some40percent.C）Almosthalf.D）75to80percent.5.Somecountrieshavetriedtojump-startthemarketofheatpumpsby________.A）upgradingtheequipmentB）encouraginginvestmentsC）implementinghigh-techD）providingsubsidies6.GermanchemicalsgiantBASFsaves200millionayearby________.A）recyclingheatandenergyB）settingupfactoriesinChinaC）usingthenewesttechnologyD）reducingtheCO2emissionsofitsplants7.Globalresidentialpowerconsumptioncanbecutby43percentif________.A）weincreasetheinsulationofwallsandwaterpipesB）wechoosesimplermodelsofelectricalappliancesC）wecutdownontheuseofrefrigeratorsandotherwhitegoodsD）wechoosethemostefficientmodelsofrefigeratorsandotherwhitegoods8.Energyservicecontractorsprofitbytakingapartofclients’________.9.Manyenvironmentalistsmaintaintheviewthatconservationhasmuchtodowith________.10.Thestrongestincentivesforenergyconservationwillderivefrom________.

PartⅢListeningComprehension（35minutes）本题SectionA&B共计25分，每小题1分。

SectionADirections:

Inthissection,youwillhear8shortconv