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1、ENGLISH大学英语六级考试试题(2007.12—2011.6)2012/9/181182007年12月大学英语六级考试试题PartIWriting(30minutes)Thedigitalage1.如今，数字化产品越来越多，如…2.使用数字化产品对于人们学习工作和生活的影响。PartIIReadingComprehension(SkimmingandScanning)(15minutes)SevenwaytoSavetheWorldForgettheoldideathatconservingenergyisaformofs
2、elf-denial—ridingbicycles,dimmingthelights,andtakingfewershowers.Thesedaysconservationisallaboutefficiency:gettingthesame—orbetter—resultsfromjustafractionoftheenergy.WhenaslumpinbusinesstravelforcedUlrichRamertocutcostsathisfamily—ownedhotelinGermany,hereplacedhund
3、redsofthehotel’swastefullightbulbs,gettingthesamelightfor80percentlesspower.Heboughtanewwaterboilerwithadigitallycontrolledpump,andwrappedinsulationaroundthepipes.Spendingabout￡100,000ontheseandotherimprovements,heslashedhis￡90,000fuelandpowerbillby￡60,000.Asabonus,
4、thehotel’slowerenergyneedshavereduceditsannualcarbonemissionsbymorethan200metrictons.“Forus,savingenergyhasbeenvery,veryprofitable,”hesays.“Andmostimportantly,we’renotgivingupasinglecomfortforourguests.”Efficiencyisalsoagreatwaytolowercarbonemissionsandhelpslowgloba
5、lwarming.Butthebestargumentforefficiencyisitscost—or,moreprecisely,itsprofitability.That’sbecausequicklygrowingenergydemandrequiresimmenseinvestmentinnewsupply,nottomentionthedrainofrisingenergyprices.Nowonderefficiencyhasmovedtothetopofthepoliticalagenda.OnJan.10,t
6、heEuropeanUnionunveiledaplantocutenergyuseacrossthecontinentby20percentby2020.LastMarch,Chinaimposeda20percentincreaseinenergyefficiencyby2020.EvenGeorgeW.Bush,theTexasoilman,isexpectedtotalkaboutenergyconservationinhisStateoftheUnionspeechthisweek.Thegoodnewsisthat
7、theworldisfullofproven,cheapwaystosaveenergy.Herearetheseventhatcouldhavethebiggestimpact.InsulateSpaceheatingandcoolingeatsup36percentofalltheworld’senergy.There’svirtuallynolimittohowmuchofthatcanbesaved,asprototype“zero-energyhomes”inSwitzerlandandGermanyhaveshow
8、n.There’sbeenasurgeinnewwaysofkeepingheatinandcoldout(orviceversa).Themostadvancedinsulationfollowsthelawofincreasingreturns:ifyouaddenoug
