高一英语七选五专题测试[004].doc

高一英语七选五专题测试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.Afterhearing“IwishI’dknownthiswhenIwasinSenior1!”countlesstimesbytheendoftheschoolyear