人教版高中英语选修六课件：M6U4 Global warming reading(共25张PPT)

Unit4GlobalwarmingWhatcausetheglobalwarming?theuseofenergygiveoffcarbondioxide,otherwastedgasesandheatintotheairTheearthisbecomingwarmerandwarmer.(globlewarming)GreenhouseeffectHowdoesagreenhousework?Thegreenhousetraptheheatfromthesunandkeepsitfromescaping,whichcanmakeitheatupandsotheplantscangrowthroughoutthecoldperiod.Greenhouse?Underthisgreenhouseeffect,theearthisbecomingwarmerandwarmer.Butdoesitmatter?Theearthisbecomingwarmer-butdoesitmatter?Para.1:(1)Wheredoesthistextfrom?(2)Whowrotethistext?SophieArmstrongamagazinenamedEarthCarePartone:Parttwo:Partthree:Partfour:Introduceadebateovertheissueofglobalwarming.Howglobalwarmingcomesabout.Nooneknowswhattheeffectsofglobalwarmingwillbe.Para.1Para.2-4Twodifferentattitudesamongscientiststowardsglobalwarming.Whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1977?A.Dr.JaniceFoster.B.CharlesKeeling.C.GeorgeHambley.D.SophieArmstrong.Buttherearesomeverydifferentattitudesamongscientiststowardsthisissue.““issueheremeansthesameastheonein______.A.Iboughtthenewstampthedayofitsissue.B.Whathealthissuesdoyouthinkconcernyoungpeoplethemost?C.Thegovernmentisexpectedtoissueastatementabouttheelection.D.Themagazinehas12issueseachyear.n.期号n.发行n.topic议题,争论点v.发布ThedifferentideasbetweenDr.JaniceFoster&GeorgeHambleyDr.JaniceFosterGeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto__________.Anincreaseoffivedegreeswouldbea__________andcouldbe______________.Morecarbondioxideisa__________thing,whichmakescrops______________andwillencourage_____________________________.goupcatastropheveryseriouspositiveproducemoreagreaterrangeofanimals•DoesGeorgeHambleybelievethatweshouldworrymuchabouttheglobalwarming?•No,hedoesn’t.Partone:Parttwo:Partthree:Partfour:Introduceadebateovertheissueofglobalwarming.Howglobalwarmingcomesabout.Nooneknowswhattheeffectsofglobalwarmingwillbe.Para.1Para.2-4Para.5-10Twodifferentattitudesamongscientiststowardsglobalwarming.Partone:Parttwo:Partthree:Partfour:Introduceadebateovertheissueofglobalwarming.Howglobalwarmingcomesabout.Nooneknowswhattheeffectsofglobalwarmingwillbe.Para.1Para.2-4Para.11Para.5-10Twodifferentattitudesamongscientiststowardsglobalwarming.TheauthorSophieArmstrongprobablyagreesthat________A.actuallyglobalwarmingisgoodforman.B.weshoulddonothingabouttheglobalwarming.C.catastropheswillhappeniftheglobekeepsonwarming.D.alotremainstobefoundoutabouttheeffectsofglobalwarming.TorFexercise:P271Thetemperaturelastcenturydidn’tincreasemuch.2Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans.3JaniceFosterbelievesthatglobalwarmingiscausedbyburningfossilfuels.4Naturalgasisagreenhousegas.5Carbondioxideisabyproductofburningfossilfuels.FFTFT6PeopleacceptCharlesKeeling’sdatabecausehetookaccuratemeasurements.7Floodingcouldbeoneoftheeffectsoffutureglobalwarming.8GeorgeHambleybelievesscientistsarejustguessingabouttheeffectsofglobalwarming.9GeorgeHambleyisworriedabouttheeffectsofcarbondioxideonplantgrowth.10Itisclearwhattheeffectsofglobalwarmingwillbe.TTTFFthemainideaofthepassage:A.Whenthe“greenhouseeffect”startedB.Whatcausesthe“greenhouseeffect”C.Dr.JaniceFoster’stheoryonthe“greenhouseeffect”D.Thefactthattheearthisbecomingwarmeranddifferenttheoriesaboutit.Doyouthinkitispossiblethatthewinterwilldisappearinthefuturebecauseoftheglobalwarming?Anddoyouwantittohappen?Ifso,wecandothesemore.Butwecannotdotheseanymore.