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

2007年12月大学英语六级考试真题（A卷）

CollegeEnglishTest

—BandSix—

PartⅠWriting（30minutes）

Directions：

Forthispart,youareallowed30minutestowriteashortessayentitledTheDigitalAge.Youshould

writeatleast150wordsfollowingtheoutlinegivenbelow.

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。

SevenWaystoSavetheWorld

Forgettheoldideathatconservingenergyisaformofself-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:

Insulate

Spaceheatingandcoolingeatsup36percentofalltheworld’senergy.There’svirtuallynolimittohowmuchofthatcanbesaved,asprototype“zero-energyhomes”inSwitzerlandandGermanyhaveshown.There’sbeenasurgeinnewwaysofkeepingheatinandcoldout（orviceversa）.Themostadvancedinsulationfollowsthelawofincreasingreturns:

ifyouaddenough,youcanscaledownoreveneliminateheatingandair-conditioningequipment,loweringcostsevenbeforeyoustartsavingonutilitybills.Studieshaveshownthatgreenworkplaces（onesthatdon’tconstantlyneedtohavetheheatorair-conditionerrunning）havehigherworkerproductivityandlowersickrates.

ChangeBulbs

Lightingeatsup20percentoftheworld’selectricity,ortheequivalentofroughly600,000tonsofcoaladay.Fortypercentofthatpowersold-fashionedincandescentlightbulbs—a19th-centurytechnologythatwastesmostofthepoweritconsumesonunwantedheat.

Compactfluorescentlamps,orCFLs,notonlyuse75to80percentlesselectricitythanincandescentbulbstogeneratethesameamountoflight,buttheyalsolast10timeslonger.Phasingoldbulbsoutby2030wouldsavetheoutputof650powerplantsandavoidthereleaseof700milliontonsofcarbonintotheatmosphereeachyear.

ComfortZone

Waterboilers,spaceheatersandairconditionershavebeennotoriouslyinefficient.Theheatpumphasalteredthatequation.Itremovesheatfromtheairoutsideorthegroundbelowandusesittosupplyheattoabuildingoritswatersupply.Inthesummerthesystemcanbereversedtocoolbuildingsaswell.

MostnewresidentialbuildingsinSwedenarealreadyheatedwithground-sourceheatpumps.Suchsystemsconsumealmostnoconventionalfuelatall.Severalcountrieshaveusedsubsidiestojump-startthemarket,includingJapan,wherealmost1millionheatpumpshavebeeninstalledinthepasttwoyearstoheatwaterforshowersandhottubs.

RemakeFactories

Fromsteelmillstopaperfactories,industryeatsupaboutathirdoftheworld’senergy.Theopportunitiestosavearevast.InLudwigshafen,GermanchemicalsgiantBASFrunsaninterconnectedcomplexofmorethan€200chemicalfactories,whereheatproducedbyonechemicalprocessisusedtopowerthenext.AttheLudwigshafensitealone,suchrecyclingofheatandenergysavesthecompany200millionayearandalmosthalfitsCO2emissions.NowBASFisdoingthesamefornewplantsinChina.“Optimizing（优化）energyefficiencyisadecisivecompetitiveadvantage,”saysBASFCEOJürgenHambrecht.

GreenDriving

Aquarteroftheworld’senergy—includingtwothirdsoftheannualproductionofoil—isusedfortransportation.Somesavingscomefreeofcharge:

youcanboostfuelefficiencyby6percentsimplybykeepingyourcar’stiresproperlyinflated（充气）.Gasoline-electrichybrid（混合型的）modelsliketheToyotaPriusimprovemileagebyafurther20percentoverconventionalmodels.

ABetterFridge

Morethanhalfofallresidentialpowergoesintorunninghouseholdappliances,producingafifthoftheworld’scarbonemissions.Andthat’strueeventhoughmanufacturershavealreadyhikedtheefficiencyofrefrigeratorsandotherwhitegoodsbyasmuchas70percentsincethe1980s.AccordingtoanlnternationalEnergyAgencystudy,ifconsumerschosethosemodelsthatwouldsavethemthemostmoneyoverthelifeoftheappliance,they’dcutglobalresidentialpowerconsumption（andtheirutilitybills）by43percent.

FlexiblePayment

Whosaysyouhavetopayforallyourconservationinvestments?

“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）improveyourworkenvironment

B）cutyourutilitybillsbyhalf

C）getridofair-conditioners

D）enjoymuchbetterhealth

4.Howmuchofthepowerconsumedbyincandescentbulbsisconvertedintolight?

A）Asmallportion.

B）Some40percent.

C）Almosthalf.

D）75to80percent.

5.Somecountrieshavetriedtojump-startthemarketofheatpumpsby________.

A）upgradingtheequipment

B）encouraginginvestments

C）implementinghigh-tech

D）providingsubsidies

6.GermanchemicalsgiantBASFsaves200millionayearby________.

A）recyclingheatandenergy

B）settingupfactoriesinChina

C）usingthenewesttechnology

D）reducingtheCO2emissionsofitsplants

7.Globalresidentialpowerconsumptioncanbecutby43percentif________.

A）weincreasetheinsulationofwallsandwaterpipes

B）wechoosesimplermodelsofelectricalappliances

C）wecutdownontheuseofrefrigeratorsandotherwhitegoods

D）wechoosethemostefficientmodelsofrefigeratorsandotherwhitegoods

8.Energyservicecontractorsprofitbytakingapartofclients’________.

9.Manyenvironmentalistsmaintaintheviewthatconservationhasmuchtodowith________.

10.Thestrongestincentivesforenergyconservationwillderivefrom________.

PartⅢListeningComprehension（35minutes）

本题SectionA&B共计25分，每小题1分。

SectionA

11.A）Proceedinhisownway.

B）Sticktotheoriginalplan.

C）Compromisewithhiscolleague.

D）Trytochangehiscolleague’smind.

12.A）Maryhasakeeneyeforstyle.

B）Nancyregretsbuyingthedress.

C）NancyandMarywentshoppingtogetherinRome.

D）NancyandMaryliketofollowthefashion.

13.

A）Washthedish