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1、Unit4GlobalWarmingWedependonenergytodomanythingsinourdailylives.Forexample,energylightsourcitiesandheatsourbuildings.Makealistofthingsthatuseenergyinyourhome,inyourschool,oranyotherplacesyoucanthinkof.6studentsagroup.TVFridgeWashingmachineThingsdependingenergyinoureverydaylifeAirconditionerMicro
2、waveovenWheredoesallthisenergycomefrom?MakeanotherlistofasmanyresourcesAsyoucan.WindenergyCoalenergyOilenergyNuclearenergySolarenergyhydropowerAnenergysourceis“renewable”whensuppliesOfitneverrunoutand“non-renewable”whenOnedaytheywillrunout.Whichenergysourceonyoulistarerenewableandwhicharenon-ren
3、ewable?ThinkingrenewableNon-renewablerenewablerenewablerenewablerenewablerenewableNon-renewableNon-renewablerenewablegreenhouseWhythegreenhousecanmaketheplantsgrow?DISCUSSIONIntheatmospheresurroundingtheearththerearegasescalled“green-housegases”.Whatdoyouthinkgreenhousegasesdo?ReadingTheEarthIsB
4、ecomingWarmer-ButdoesItMatter?Reading1Readthepassagequicklyandanswerthefollowingquestions.1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?2.Whatarethenamesofthreescientistsmentionedinthearticle?3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?4.Whatarethetwographsabout?1.Who
5、wrotethemagazinearticle?Whatisthenameofthemagazine?SophieArmstrong.EarthCare.2.Whatarethenamesofthreescientistsmentionedinthearticle?Dr.JaniceFoster,CharlesKeeling,GeorgeHambley.3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?Therearesomeverydifferentattitudesamongscientiststowards
6、thisissue.Somethinktheeffectswillbeterrible,whilesomeothersBelievethatweshouldnotworryaboutit.4.Whatarethetwographsabout?ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.ThesecondgraphshowstheCarbondioxidecontentintheatmospherefrom1957to1997.Reading2Readthepassageca
7、refullyandjudgewhetherthestatementsaretrueorfalse?1.Thetemperatureinthelastcenturydidn’tseemtoincreasetoomuch.()2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.()3.JaniceFosterbelievesthatshecanmeasurethef
