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1、Unit4GlobalWarmingWedependonenergytodomanythingsinourdailylives.Forexample,energylightsourcitiesandheatsourbuildings.Makealistofthingsthatuseenergyinyourhome,inyourschool,oranyotherplacesyoucanthinkof.6studentsagroup.TVFridgeWashingmachineThingsdependingen
2、ergyinoureverydaylifeAirconditionerMicrowaveovenWheredoesallthisenergycomefrom?MakeanotherlistofasmanyresourcesAsyoucan.WindenergyCoalenergyOilenergyNuclearenergySolarenergyhydropowerAnenergysourceis“renewable”whensuppliesOfitneverrunoutand“non-renewable”w
3、henOnedaytheywillrunout.Whichenergysourceonyoulistarerenewableandwhicharenon-renewable?ThinkingrenewableNon-renewablerenewablerenewablerenewablerenewablerenewableNon-renewableNon-renewablerenewablegreenhouseWhythegreenhousecanmaketheplantsgrow?DISCUSSIONIn
4、theatmospheresurroundingtheearththerearegasescalled“green-housegases”.Whatdoyouthinkgreenhousegasesdo?ReadingTheEarthIsBecomingWarmer-ButdoesItMatter?Reading1Readthepassagequicklyandanswerthefollowingquestions.1.Whowrotethemagazinearticle?Whatisthenameofth
5、emagazine?2.Whatarethenamesofthreescientistsmentionedinthearticle?3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?4.Whatarethetwographsabout?1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?SophieArmstrong.EarthCare.2.Whatarethenamesof
6、threescientistsmentionedinthearticle?Dr.JaniceFoster,CharlesKeeling,GeorgeHambley.3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?Therearesomeverydifferentattitudesamongscientiststowardsthisissue.Somethinktheeffectswillbeterrible,whilesomeoth
7、ersBelievethatweshouldnotworryaboutit.4.Whatarethetwographsabout?ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.ThesecondgraphshowstheCarbondioxidecontentintheatmospherefrom1957to1997.Reading2Readthepassagecarefullyandjudgew
8、hetherthestatementsaretrueorfalse?1.Thetemperatureinthelastcenturydidn’tseemtoincreasetoomuch.()2.Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.()3.JaniceFosterbelievesthatshecanmeasurethef
