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1、专业技术资料分享2010年6月大学英语四级真题Questions47to56arebasedonthefollowingpassage.Whenwethinkofgreenbuildings,wetendtothinkofnewones–thekindofhigh-tech,solar-paneledmasterpiecesthatmakethecoversofarchitecturemagazines.ButtheU.S.hasmorethan100millionexistinghomes,anditwoul
2、dbe47.G）incrediblywastefultotearthemalldownand48.K）replacethemwithgreenerversions.Anenormousamountofenergyandresourceswentintotheconstructionofthosehouses.Anditwouldtakeanaverageof65yearsforthe49.J）reducedcarbonemissionsfromanewenergy-efficienthometomakeupfo
3、rtheresourceslostbydestroyinganoldone.Sointhebroadest50.L）sense,thegreenesthomeistheonethathasalreadybeenbuilt.Butatthesametime,nearlyhalfofU.S.carbonemissionscomefromheating,coolingand51.H）poweringourhomes,officesandotherbuildings."Youcan'tdealwithclimatech
4、angewithoutdealingwithexistingbuildings,"saysRichardMoe,thepresidentoftheNationalTrust.Withsome52.D）exceptions,theoldesthomestendtobetheleastenergy-efficient.Housesbuiltbefore1939useabout50%moreenergypersquarefootthanthosebuiltafter2000,mainlyduetothetinycra
5、cksandgapsthat53.E）expandovertimeandletinmoreoutsideair.Fortunately,therearea54.O）vastnumberofrelativelysimplechangesthatcangreenolderhomes,from55.F）historiconeslikeLincoln'sCottagetoyourownpostwarhome.Andefficiencyupgrades(升级)cansavemorethanjusttheearth;the
6、ycanhelp56.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)supplyingO)vast2011年6月大学英语四级真题Questions47to56arebasedo
7、nthefollowingpassage.Thepopularnotionthatolderpeopleneedlesssleepthanyoungeradultsisamyth,scientistssaidyesterday.Whileelderlypeople47N）tendtosleepforfewerhoursthantheydidwhentheywereyounger,thishasa(n)48L）negativeeffectontheirbrain'sperformanceandtheywouldb
8、enefitfromgettingmore,accordingtoresearch.SeanDrummond,a.psychiatrist(心理医生)attheUniversityofCalifornia,SanDiego,saidolderWORD文档下载可编辑专业技术资料分享peoplearemorelikelytosufferfrombrokensleep,whileyounge
