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

Unit4Globalwarming Whatcausetheglobalwarming theuseofenergy giveoffcarbondioxide otherwastedgasesandheatintotheair Theearthisbecomingwarmerandwarmer globlewarming Greenhouseeffect Howdoesagreenhousework Thegreenhousetraptheheatfromthesunandkeepsitfromescaping whichcanmakeitheatupandsotheplantscangrowthroughoutthecoldperiod Greenhouse Underthisgreenhouseeffect theearthisbecomingwarmerandwarmer Butdoesitmatter Theearthisbecomingwarmer butdoesitmatter Para 1 1 Wheredoesthistextfrom 2 Whowrotethistext SophieArmstrong amagazinenamedEarthCare Partone Parttwo Partthree Partfour Introduceadebateovertheissueofglobalwarming Howglobalwarmingcomesabout Nooneknowswhattheeffectsofglobalwarmingwillbe Para 1 Para 2 4 Twodifferentattitudesamongscientiststowardsglobalwarming Whofoundouttheamountofcarbondioxideintheatmospherefrom1957to1977 A Dr JaniceFoster B CharlesKeeling C GeorgeHambley D SophieArmstrong Buttherearesomeverydifferentattitudesamongscientiststowardsthisissue issue heremeansthesameastheonein 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 GeorgeHambley goup catastrophe veryserious positive producemore agreaterrangeofanimals DoesGeorgeHambleybelievethatweshouldworrymuchabouttheglobalwarming No hedoesn t Partone Parttwo Partthree Partfour Introduceadebateovertheissueofglobalwarming Howglobalwarmingcomesabout Nooneknowswhattheeffectsofglobalwarmingwillbe Para 1 Para 2 4 Para 5 10 Twodifferentattitudesamongscientiststowardsglobalwarming Partone Parttwo Partthree Partfour Introduceadebateovertheissueofglobalwarming Howglobalwarmingcomesabout Nooneknowswhattheeffectsofglobalwarmingwillbe Para 1 Para 2 4 Para 11 Para 5 10 Twodifferentattitudesamongscientiststowardsglobalwarming TheauthorSophieArmstrongprobablyagreesthat A actuallyglobalwarmingisgoodforman B weshoulddonothingabouttheglobalwarming C catastropheswillhappeniftheglobekeepsonwarming D alotremainstobefoundoutabouttheeffectsofglobalwarming TorFexercise P27 Thetemperaturelastcenturydidn tincreasemuch Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans JaniceFosterbelievesthatglobalwarmingiscausedbyburningfossilfuels Naturalgasisagreenhousegas Carbondioxideisabyproductofburningfossilfuels F F T F T 6PeopleacceptCharlesKeeling sdatabecausehetookaccuratemeasurements 7Floodingcouldbeoneoftheeffectsoffutureglobalwarming 8GeorgeHambleybelievesscientistsarejustguessingabouttheeffectsofglobalwarming 9GeorgeHambleyisworriedabouttheeffectsofcarbondioxideonplantgrowth 10Itisclearwhattheeffectsofglobalwarmingwillbe T T T F F themainideaofthepassage A Whenthe greenhouseeffect startedB Whatcausesthe greenhouseeffect C Dr JaniceFoster stheoryonthe greenhouseeffect D Thefactthattheearthisbecomingwarmeranddifferenttheoriesaboutit Doyouthinkitispossiblethatthewinterwilldisappearinthefuturebecauseoftheg