高中英语Unit4GlobalWarmingReadingTheEarthIsBecomingWarmerButDoesItMatter新人教版选修课件

Unit4GlobalWarmingUnit4GlobalWarming1ReadingTheEarthisBecomingWarmer--ButDoesItMatter?ReadingTheEarthisBecomingW2Explorethecauseofglobalwarming1Page3Learndifferentattitudestowardsglobalwarming2

AimsExplorethecauseofglobalwa3Gothroughthetextandthinkabouthowtodividethewholepassageaccordingtothemainidea.Gothroughthetextandthink4Paragraph1Paragraphs2&5Paragraph6Part1Part2Part4MainideaofthetextPart3Paragraph7Howhasglobalwarmingcomeabout?

Listtwodifferentattitudesamongscientiststowardsglobalwarming.TheearthisbecomingwarmerShouldwedoanything?Paragraph1Paragraphs2&5Parag5

Theearthisbecomingwarmer.Howhasglobalwarmingcomeabout?Listtwodifferentattitudesamongscientiststowardsglobalwarming.Shouldwedoanything?Part2Para2&5Part3Para6Part4Para7Part1Para1MainideaofthetextTheearthisbecomingwarmer.6Para.1:

Question:Howhasthisglobalwarmingcomeabout?Para.1:7Para.2

Itis

humanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.全球变暖正是人类活动导致而成的，而不是随意的自然现象。Para.2Itishumanactivity8Howhashumanactivitycausedthisglobalwarming?Howhashumanactivitycaused9Lookatthetwographs.Graph1:Graph2:Lookatthetwographs.Graph101957195711315315121957Fromthetwographs,canyoufindsomerelationshipbetweenthem?ThemoreCO2,thehighertemperature.1957Fromthetwographs,can13WhydoesmoreCO2causehighertemperature?Graph1:Graph2:WhydoesmoreCO2causehigher14Greenhousegases_____theheatofthesunandtherefore______theearth.Itisknownas__________________.greenhouseeffecttrapwarmIs“Greenhouseeffect”beneficialorharmfultous?Para.3(Line24-36)Greenhousegases_____thehea15carbondioxideFossilFuelcoaloilgas●●●●●●produceWhyis

extracarbondioxideaddedintotheatmosphere?Para.3(Line18-23)&Para.5carbondioxideFossilFuelcoal16Is“globalwarming”beneficialorharmfultous?Doesitmatter?

Para.6Is“globalwarming”beneficial17Negativeeffects

disappearanceofspeciesNegativeeffectsdisappearan18PositiveeffectsmakeplantsgrowquickercropswillproducemoreagreaterrangeofanimalsmakelifebetterPositiveeffectsmakeplantsgr19causethesealeveltoriseseverestormsfloodsdroughtsfaminesthespreadofdiseasesdisappearanceofspeciesPositiveeffectsNegativeeffectsmakeplantsgrowquickercropswillproducemoreagreaterrangeofanimalsmakelifebettercausethesealeveltorisePos20Game:Runachoo-chootrainGroup1Group2Group3Game:Group1Group2Group321causethesealeveltoriseseverestormsfloodsdroughtsfaminesthespreadofdiseasesdisappearanceofspeciesPositiveeffectsNegativeeffectsmakeplantsgrowquickercropswillproducemoreagreaterrangeofanimalsmakelifebettercausethesealeveltorisePos22Searchforsomemorematerialsandthinkaboutwhat’syourattitudetowardsglobalwarming.Prepareforthedebateabout“Shouldwedosomethingaboutglobalwarming?”AssignmentSearchforsomemorematerials23谢谢！谢谢！24Unit4GlobalWarmingUnit4GlobalWarming25ReadingTheEarthisBecomingWarmer--ButDoesItMatter?ReadingTheEarthisBecomingW26Explorethecauseofglobalwarming1Page27Learndifferentattitudestowardsglobalwarming2

AimsExplorethecauseofglobalwa27Gothroughthetextandthinkabouthowtodividethewholepassageaccordingtothemainidea.Gothroughthetextandthink28Paragraph1Paragraphs2&5Paragraph6Part1Part2Part4MainideaofthetextPart3Paragraph7Howhasglobalwarmingcomeabout?

Listtwodifferentattitudesamongscientiststowardsglobalwarming.TheearthisbecomingwarmerShouldwedoanything?Paragraph1Paragraphs2&5Parag29

Theearthisbecomingwarmer.Howhasglobalwarmingcomeabout?Listtwodifferentattitudesamongscientiststowardsglobalwarming.Shouldwedoanything?Part2Para2&5Part3Para6Part4Para7Part1Para1MainideaofthetextTheearthisbecomingwarmer.30Para.1:

Question:Howhasthisglobalwarmingcomeabout?Para.1:31Para.2

Itis

humanactivitythathascausedthisglobalwarmingratherthanarandombutnaturalphenomenon.全球变暖正是人类活动导致而成的，而不是随意的自然现象。Para.2Itishumanactivity32Howhashumanactivitycausedthisglobalwarming?Howhashumanactivitycaused33Lookatthetwographs.Graph1:Graph2:Lookatthetwographs.Graph341957195735315315361957Fromthetwographs,canyoufindsomerelationshipbetweenthem?ThemoreCO2,thehighertemperature.1957Fromthetwographs,can37WhydoesmoreCO2causehighertemperature?Graph1:Graph2:WhydoesmoreCO2causehigher38Greenhousegases_____theheatofthesunandtherefore______theearth.Itisknownas__________________.greenhouseeffecttrapwarmIs“Greenhouseeffect”beneficialorharmfultous?Para.3(Line24-36)Greenhousegases_____thehea39carbondioxideFossilFuelcoaloilgas●●●●●●produceWhyis

extracarbondioxideaddedintotheatmosphere?Para.3(Line18-23)&Para.5carbondioxideFossilFuelcoal40Is“globalwarming”beneficialorharmfultous?Doesitmatter?

Para.6Is“globalwarming”beneficial41Negativeeffects

disappearanceofspeciesNegativeeffectsdisappearan42PositiveeffectsmakeplantsgrowquickercropswillproducemoreagreaterrangeofanimalsmakelifebetterPositiveeffectsmakeplantsgr43causethesealeveltoriseseverestormsfloodsdroughtsfaminesthespreadofdiseasesdisappearanceofspeciesPositiveeffectsNegativeeffectsmakeplantsgrowquickercropswillproducemoreagreaterrangeofanimalsmakelifebettercausethesealeveltorisePos44Game:Runachoo-chootrainGroup1Group2Gro