人教版 選修六 Unit 4 Global warmingReading課件（共24張PPT）.ppt

welcome whatarethey whatarethesebuildingsmadeof what stheuse greenhouse glass agreenhouseisusedfor especiallyduring weather growingplants cold theheatfromthesun keepsitfrom theairup howdoesagreenhousework traps escaping heats newwords randomphenomenonsubscribefueldatacatastrophetrendopposed 胡亂的 現(xiàn)象 同意 燃料 數(shù)據(jù) 大災難 趨勢 反對的 fastreading whowrotethemagazinearticle thenameofthemagazine whatismainlydiscussedinthepassage whatarethenamesofthethreescientistsmentionedinthearticle skimming skimthetitle theearthisbecomingwarmer butdoesitmatter whatisthemaintopic theearth b globalwarming c becomingwarmerdoesn tmatter wheredoesthisarticlemostprobablycomefrom newspaperb novelc magazine whowrotethearticle whatisthenameofthemagazine skimthefirstparagraph sophiearmstrong earthcare whatarethenamesofthethreescientistsmentionedinthearticle drjanicefoster charleskeeling georgehambley 3 whatismainlydiscussedinthepassage a whathascausedtheglobalwarmingandwhetheritmatters b whateffectsoftheglobalwarmingwillbe c howserioustheglobalwarmingcouldbe d whattheglobalwarmingis theorganizationofthearticle introduction atitle body conclusion skimthebodypart 7paras para 1 para 2 3 i ii para 4 6 iii para 7 iv introduction body conclusion matchthemainideaofeachpart explainhowglobalwarmingcomesabout twodifferentattitudesamongscientiststowardstheconsequencesofglobalwarming introducetheproblemofglobalwarming giveawarningandraiseaquestionforthereaderstothinkover i 1 ii 2 3 iii 4 6 iv 7 partii para2 3 everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans janicefosterbelievesthatshecanmeasurethefutureglobalriseintemperature greenhousegasesaretotallybad f t f fillintheblanksaboutthecausesofgreenhouseeffect henomenon uantities rapped goup small para4 thelevelsofcarbondioxidehaveincreasedgreatlyoverthelast100to150years whomadeaccuratemeasurementsoftheamountofcarbondioxide 2 howmuchhasincreased charleskeeling thecarbondioxideintheatmospherewentupfromaround315partstoaround370partspermillion para5 howhighwillthetemperaturego theamountofwarmingcouldbeaslowas1to1 5degreescelsius butitcouldbeashighas5degrees whatdodr janicefosterandthescientistgeorgehambleythinkabouttheconsequencesofglobalwarming dotheyagreewithoneanother para6 theydon tagreewitheachother dr janicefosterthinksitisserious georgehambleythinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences doesglobalwarmingmatter positiveeffects negativeeffects causethesealeveltoriseseverestormsfloodsdroughtsfaminesthespreadofdiseasesdisappearanceofspecies positiveeffects negativeeffects causethesealeveltoriseseverestormsfloodsdroughtsfaminesthespreadofdiseasesdisappearanceofspecies positiveeffects negativeeffects mak