届毕业生学历考试模拟考试题英语2套Word格式.docx
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届毕业生学历考试模拟考试题英语2套Word格式.docx
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Efficiencyisalsoagreatwaytolowercarbonemissionsandhelpslowglobalwarming.Butthebestargumentforefficiencyisitscost—or,moreprecisely,itsprofitability.That’sbecausequicklygrowingenergydemandrequiresimmenseinvestmentinnewsupply,nottomentionthedrainofrisingenergyprices.
Nowonderefficiencyhasmovedtothetopofthepoliticalagenda.OnJan.10,theEuropeanUnionunveiledaplantocutenergyuseacrossthecontinentby20percentby2020.LastMarch,Chinaimposeda20percentincreaseinenergyefficiencyby2020.EvenGeorgeW.Bush,theTexasoilman,isexpectedtotalkaboutenergyconservationinhisStateoftheUnionspeechthisweek.
Thegoodnewsisthattheworldisfullofproven,cheapwaystosaveenergy.Herearetheseventhatcouldhavethebiggestimpact.
Insulate
Spaceheatingandcoolingeatsup36percentofalltheworld’senergy.There’svirtuallynolimittohowmuchofthatcanbesaved,asprototype“zero-energyhomes”inSwitzerlandandGermanyhaveshown.There’sbeenasurgeinnewwaysofkeepingheatinandcoldout(orviceversa).Themostadvancedinsulationfollowsthelawofincreasingreturns:
ifyouaddenoughyoucanscaledownoreveneliminateheatingandair-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.Inthesummer,thesystemcanbereversedtocoolbuildingsaswell.
MostnewresidentialbuildingsinSwedenarealreadyheatedwithground-sourceheatpumps.Suchsystemsconsumealmostnoconventionalfuelatall.Severalcountrieshaveusedsubsidiestojump-startthemarket,includingJapan,wherealmostImillionheatpumpshavebeeninstalledinthepasttwoyearstoheatwaterforshowersandhottubs.
RemakeFactories
Fromsteelmillstopaperfactories,industryeatsupaboutathirdoftheworld’senergy.Theopportunitiestosavearevast.InLudwigshafen,GermanchemicalsgiantBASFrunsaninterconnectedcomplexofmorethan200chemicalfactories,whereheatproducedbyonechemicalprocessisusedtopowerthenext.AttheLudwigshafensitesitealone,suchrecyclingofheatandenergysavesthecompany£200millionayearandalmosthalfitsCO2emissions.NowBASFisdoingthesamefornewplantsinChina.“Optimizing(优化)energyefficiencyisadecisivecompetitiveadvantage,”saysBASFCEOJurgenHambrecht.
GreenDriving
Aquarteroftheworld’senergy---includingtwothirdsoftheannualproductionofoil—isusedfortransportation.Somesavingscomefreeofcharge:
youcanboostfuelefficiencyby6percentsimplybykeepingyourcar’stiresproperlyinflated(充气).Gasoline-electrichybrid(混合型的)modelsliketheToyotaPriusimprovemileagebyafurther20percentoverconventionalmodels.
ABetterFridge
Morethanhalfofallresidentialpowergoesintorunninghouseholdappliances,producingafifthoftheworld’scarbonemissions.Andthat’strueeventhoughmanufacturershavealreadyhikedtheefficiencyofrefrigeratorsandotherwhitegoodsbyasmuchas70percentsincethe1980s.AccordingtoanInternationalEnergyAgencystudy,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?
Ithasdowithpsychologyandalackofinformation.Mostofustendtolookattoday’spricetagmorethantomorrow’spotentialsaving.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.Whatissaidtobebestwaytoconserveenergynowadays?
A)Raisingefficiency.B)Cuttingunnecessarycosts..
C)Findingalternativeresources.D)Sacrificingsomepersonalcomforts.
2.WhatdoestheEuropeanUnionplantodo?
A)Diversifyenergysupply.B)Cutenergyconsumption.
C)Reducecarbonemissions.D)RaiseproductionRaiseproductionefficiency.
3.Ifyouaddenoughinsulationtoyourhouse,youmaybeableto_____________.
A)improveyourworkenvironmentB)cutyourutilitybillsbyhalf
C)getridofair-conditionersD)enjoymuchbetterhealth
4.Howmuchofthepowerconsumedbyincandescentbulbsisconvertedintolight?
A)Asmallportion.B)Some40percent.C)Almosthalf.D)75to80percent.
5.Somecountrieshavetriedtojump-startthemarketofheatpumpsby__________.
A)upgradingtheequipmentB)encouraginginvestmentsC)implementinghigh-techD)providingsubsidies
6.GermanchemicalsgiantBASFsaves£200millionayearby___________.
A)recyclingheatandenergyB)settingupfactoriesinChina
C)usingthenewesttechnologyD)reducingtheCO2emissionsofitsplants
7.Globalresidentialpowerconsumptioncanbecutby43percentif___________.
A)weincreasetheinsulationofwallsandwaterpipes
B)Wechoosesimplermodelsofelectricalappliances
C)Wecutdownontheuseofrefrigeratorsandotherwhitegoods
D)Wechoosethemostefficientmodelsofrefrigeratorsandotherwhitegoods
8.Energyservicecontractorsprofitbytakingapartofclients_annualutility-billsavings.
9.Manyenvironmentalistsmaintaintheviewthatconservationhasmuchtodowithself-denial.
10.Thestrongestincentivesforenergyconservationwillderivefrom_market_.
PartIIReadingComprehension(ReadinginDepth)(25minutes)
SectionA
Questions47to51arebasedonthefollowingpassage.
Men,thesedays,areembracingfatherhoodwiththeround-the-clockinvolvementtheirpartnershavealwaysdreamedof–handlingnightfeedings,packinglunchesandbandagingknees.Butunlikewomen,manyfindthey’renegotiatingtheirnewroleswithlittlesupportorinformation.“Meninmygeneration(aged25-40)haveafearofbecomingdadsbecausewehavenorolemodels,”saysJonSmith,awriter.Theyoftenfindthemselvesexcludedfrommothers’supportnetworks,andareeyedwarily(警觉地)ontheplayground.
Thechallengeisparticularlyevidentinthew
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