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高一七选五专题英语章末综合训练(及答案)TheLatestandGreatestWaystoReduceYourCarbonFootprintAtthispoint,weknowthatwe’refacingaclimatecrisis.CO₂levelsareattheirhighestin650,000years,whichiswhywe’veheardalotaboutour“carbonfootprint.”___1___Essentially,yourcarbonfootprintistheamountofCO₂emissions(排放)resultingfromeachofyourdailyactivities,aswellastheproductsyouconsume.Whetheryourealizeitornot,itaffectstheenvironment.So,howcanwereduceourcarbonfootprint?___2___Changetosmartlightbulbs(灯泡)You’veprobablyalreadymadethechangefromtraditionallightbulbstoenergy-efficientLEDbulbs.That’sagreatfirststep,butyoucandoonebetterbychangingtosmartLEDbulbs.___3___ThesebulbscanwirelesslyconnecttotheInternetandmostimportantly,yoursmartphone,enablingyoutoturnonthelightsorchangethecoloreasily.UseanotebookcomputerinsteadofadesktopcomputerConsidergettinganotebookinsteadofadesktop,becauseituseslessenergy.Specifically,notebooksuseupto80percentlesselectricitythandesktops,usingbetweenone-fifthandone-thirdasmuchenergy.___4___Notebookcomputersareanadditional20percentmorepowerefficientwhenrunningonACadapter(适配器)poweroverbatterypower.RethinkyourtransportationstrategyNoteveryonehastheoptionofwalking,biking,ortakingpublictransportationtowork,butifyoudo,thosearethebestwaystoreduceyourtransportation-relatedcarbonfootprint.___5___Ifthisisthecase,youmaywanttoconsiderusinganelectriccar.Whileonlyafewyearsagothesecarsseemedimaginary,they’renowprettystandard,andelectricchargingstationsaregettingmorecommon.Takingtheseveryworkablestepsisagoodstart.Doingyourparttoprotecttheplanetcanbeaseasyasmakingsmall,strategicchangestoyoureverydayroutine.A.Whatmakesthemsmart?B.Besides,anaddedbenefitexists.C.But,whatexactlyisacarbonfootprint?D.However,inalotofplaces,thissimplyisn’tpossible.E.Notonlyaretheymoreconvenient,buttheyaremoney-saving.F.Makingsomesmallchangesinyourdailylifecanmakeadifference.G.Makealistofalltheenvironmentallyfriendlythingsyoudo,andalltheunfriendlyones.Takingnaturehikesisalotoffun.Nomatterwhereyoulive,thereisprobablysomeplacenea