《英语温室效应》PPT课件

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1、Whatisthegreenhousemadeandusedfor?Agreenhouseismadeofglassandisusedforgrowingplants,especiallyduringcoldweather.•1.Whowrotethemagazinearticle?Whatisthenameofthemagazine?•SophieArmstrong,EarthCare.•2.Whatarethenamesofthethreescientistsmentionedinthearticle?•DrJaniceFoster,CharlesKeeling,GeorgeHambley

2、.•3.Whatdotheythinkaboutglobalwarming?Dotheyagreewithoneanother?•Theydon'tagreewitheachother.•Dr.JaniceFosterthinkstheeffectsofglobalwarmingcouldbeveryserious.•GeorgeHambleythinksglobalwarmingwillbemildwithfewbadenvironmental•consequences.•CharlesKeelingbelievesitistheburningofmoreandmorefossilfuels

3、thatisresultinginabig•increaseincarbondioxide.•ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860to2000.•Thesecondgraphshowsthecarbondioxidecontentintheatmospherefrom1957to1977.•4.Whatarethetwographsabout?•ThefirstgraphshowsthetemperatureincreaseofonedegreeFahrenheitbetween1860

4、to2000.Thesecondgraphshowsthecarbondioxidecontentintheatmospherefrom1957to1977.•5.Whatisthemaintopicofthearticle?•Globalwarming/thewarmingoftheearth.•Readthepassagecarefullyandjudgewhetherthestatementsaretrueorfalse.•1.Thetemperaturelastcenturydidn’tincreasemuch.•2.Everyonebelievesthatglobalwarmingi

5、scausedbytheactivitiesofhumans.•3.JaniceFosterbelievesthatglobalwarmingiscausedbtheburningfossilfuels.•4.Naturalgasisagreenhousegas.•5.Carbondioxideisabyproductofburningfossilfuels.•6.PeopleacceptCharlesKeeling’sdatabecausehetookaccuratemeasurements.•7.Floodingcouldbeoneoftheeffectsoffutureglobalwar

6、ming.•8.GeorgeHambleybelievesscientistsarejustguessingabouttheeffectsofglobal•warming.•9.GeorgeHambleyisworriedabouttheeffectsofcarbondioxideonplantgrowth.•10.Itisclearwhattheeffectsofglobalwarmingwillbe.•Keys:True:3,5,6,7,and8False:1,2,4,9,10•Readthetextcarefullyandtrytofindouthowmanypartswecandivi

7、dethetextintoandfindoutthemainideaofeachpart.•Part1(Para1)•Introduceadebateovertheissueofglobalwarming•Part2(Para2to4)•illustratehowglobalwarmingcomesabout•Part3(Para5to10)•listtwodifferentattitudesam