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1、范文范例精心整理2010年6月大学英语四级真题Questions47to56arebasedonthefollowingpassage.Whenwethinkofgreenbuildings,wetendtothinkofnewones–thekindofhigh-tech,solar-paneledmasterpiecesthatmakethecoversofarchitecturemagazines.ButtheU.S.hasmorethan100millionexistinghomes,anditwouldbe47.G）incrediblywastefultotearthemalldo
2、wnand48.K）replacethemwithgreenerversions.Anenormousamountofenergyandresourceswentintotheconstructionofthosehouses.Anditwouldtakeanaverageof65yearsforthe49.J）reducedcarbonemissionsfromanewenergy-efficienthometomakeupfortheresourceslostbydestroyinganoldone.Sointhebroadest50.L）sense,thegreenesthomeist
3、heonethathasalreadybeenbuilt.Butatthesametime,nearlyhalfofU.S.carbonemissionscomefromheating,coolingand51.H）poweringourhomes,officesandotherbuildings."Youcan'tdealwithclimatechangewithoutdealingwithexistingbuildings,"saysRichardMoe,thepresidentoftheNationalTrust.Withsome52.D）exceptions,theoldesthom
4、estendtobetheleastenergy-efficient.Housesbuiltbefore1939useabout50%moreenergypersquarefootthanthosebuiltafter2000,mainlyduetothetinycracksandgapsthat53.E）expandovertimeandletinmoreoutsideair.Fortunately,therearea54.O）vastnumberofrelativelysimplechangesthatcangreenolderhomes,from55.F）historiconeslik
5、eLincoln'sCottagetoyourownpostwarhome.Andefficiencyupgrades(升级)cansavemorethanjusttheearth;theycanhelp56.I）protectpropertyownersfromrisingpowercosts.注意：此部分试题请在答题卡2上作答。A)accommodationsB)clumsyC)doubtfulD)exceptionsE)expandF)historicG)incrediblyH)poweringI)protectJ)reducedK)replaceL)senseM)shiftedN)s
6、upplyingO)vast2011年6月大学英语四级真题Questions47to56arebasedonthefollowingpassage.Thepopularnotionthatolderpeopleneedlesssleepthanyoungeradultsisamyth,scientistssaidyesterday.Whileelderlypeople47N）tendtosleepforfewerhoursthantheydidwhentheywereyounger,thishasa(n)48L）negativeeffectontheirbrain'sperformancea
7、ndtheywouldbenefitfromgettingmore,accordingtoresearch.SeanDrummond,a.psychiatrist(心理医生)attheUniversityofCalifornia,SanDiego,saidolderword完美格式范文范例精心整理peoplearemorelikelytosufferfrombrokensleep,whileyoungerpe
