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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,品质来自专业,信赖源于诚信,金太阳教育网,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,高中英语课件,（金戈铁骑 整理制作,）,高中英语课件（金戈铁骑 整理制作）,1,Unit4,GlobalWarming,Unit4,2,Howdid,comeabout,?,thesnow,catastrophe,Somescientistsbelievedthat,globalwarmingwasoneofthemajorreasonswhysuch,extreme,climate,likeseverestormsandheavysnowfrequentlycameabout.,孙广勇,造成极端天气频繁的一个重要原因就是全球变暖。,Howdidcomeabout?thesnowcatastr,3,Thinkabout:,Whatcauses,globalwarming,?,Humanactivity,orarandombut,naturalphenomenon,?,Whenwetalkaboutthisproblem,wenaturally,link,it,to,theuseof,energy,and,theenvironmentalpollution,.,Thinkabout:Whatcausesglobalwar,4,Butfirstlyandimportantly,energy,makesagreatdifferenceto,ourlives.Whatthingsdoweuseenergyfor?,We_energytodomanythingsinourlives.Foraxample,energy_ourcitiesand_ourbuildings.Whatotherthingsdoweuseenergy,for,?,dependon,lights,heats,Butfirstlyandimportantly,energ,5,Thingsthatuseenergyaroundusoratanyotherplaces:,Inahouse,Thingsthatuseenergyaroundusora,6,Where,doesallthisenergy,come,from,?,z/xxk,Wheredoesallthisenergycomefrom,7,Placeandtherelatedenergy,Windpower,wind,PlaceandtherelatedenergyWindpo,8,Placeandtherelatedenergy,acoalpowerstation,coal,Placeandtherelatedenergyacoalp,9,Placeandtherelatedenergy,oil,refinery,r,：,fanri:,（提炼厂）,oil,Placeandtherelatedenergyoilref,10,Placeandtherelatedenergy,nuclearpowerstation,Uranium,jureinjm,铀,Placeandtherelatedenergynuclea,11,Placeandtherelatedenergy,zxx/k,solar,panels,（镶板）,solarpower,Placeandtherelatedenergyzxx/ks,12,Placeandtherelatedenergy,a,hydro,-electricpower,（与水有关的）,water,Placeandtherelatedenergyahydro,13,Energyathome,school,sourcesofenergy,thingsusingenergy,Lights,Heating,Television,Cassetteplayer,Videorecorder,Computer,Fridge,Stove,Washingmachine,Hairdryer,Coal,Oil,Naturalgas,Wind(windpower),Sun(solarenergy),Uranium(nuclearenergy),Water(hydro-electricpower),Energyathome,schoolsourcesofe,14,Energyathome,school,sourcesofenergy,renewable,or,non-,renewable,Coal,Oil,Naturalgas,Wind(windpower),Sun(solarenergy),Uranium(nuclearenergy),Water(hydro-electricpower),Non-renewable,Non-renewable,Non-renewable,Renewable,Renewable,Non-renewable,Renewable,Energyathome,schoolsourcesofe,15,Letstrytosaveenergy!Tosaveenergyistosaveourearth!,Slogan,slugn,-,n.,标语,口号,Letstrytosaveenergy!Tosaveene,16,Asweknow,coal,oilandnaturalgasarecalled,_,whichisakindofenergy.Itcan,makeagreat_to,ourlives.Butdoyouknowwhat,by,_,isproducedwhenweburnfossilfuel?Isitgoodforourplanet?What,ph,_iscausedby,it,?,difference,enomenon,product,fossilfuel,Asweknow,coal,oilandnaturalgas,17,FossilFuel,FossilFuel,18,Carbondioxide,FossilFuel,coal,oil,naturalgas,globalwarming,Why?,CarbondioxideFossilFuelcoaloil,19,Picturereading,Agreenhouse,PicturereadingAgreenhouse,20,人教版高中英语选修六Unit4阅读课件,21,greenhouse,greenhouse,22,Picturereading,A,greenhouse,ismadeof_andisusedforgrowing_,especiallyduring_weather.,Whatisagreenhousemadeofandusedfor?,glass,plants,cold,PicturereadingAgreenhouseWhati,23,Theairinsideiswarmbecausetheglass_theheatfromthesunand,keep,sit,from,_.Thismakesthegreenhouse_andsotheplantscangrow_.,traps,escaping,heatup,throughoutthecoldperiod,Howdoesagreenhousework?,Theairinsideiswarmbecausethegl,24,Nowcanyou,connect,globalwarming,with,greenhouseandthinkoftherelationshipbetweenthem?Maybeyoucanunderstandwhywecallglobalwarming“,greenhouseeffect,”,right?,Nowcanyouconnectglobalwarmingw,25,Whatsgreenhouseeffect?,Whatsgreenhouseeffect?,greenhouseeffect,greenhouseeffect,Surelyweneedgreenhousegases.Withoutgreenhouseeffect,theearthwouldbe_.,Intheatmospheresurroudningtheearththerearegasescalled“,greenhousegases,”.Whatdoyouthinkgreenhousegasesdo?,Itisapitythathumanactivitygivesoffextra_intotheatmospherethereforeitcauses_.,toocold,carbondioxide,globalwarming,Surelyweneedgreenhousegases.Wi,Reading,Reading,29,Task1Skimming,Skimthetitle:,THEEARTHISBECOMINGWARMERBUTDOESITMATTER?,Whatisthemaintopic?,A.Theearth.B.Globalwarming.,C.Becomingwarmerdoesntmatter.,Task1SkimmingSkimthetitle:What,30,Whowrotethearticle?,Whatisthenameofthemagazine?,Whatarethenamesofthe3scientists?,SophieArmstrong,EarthCare,DrJaniceFoster,CharlesKeeling,GeorgeHambley,P27Ex.1,Listentothe,magazinearticle,andanswerthefollowingquestions.ComprehendingOne,Whowrotethearticle?Whatisthena,31,Skimming,Theorganizationofanexpositive:,Introduction,Atitle,Body,Conclusion,SkimmingTheorganizationofanexp,32,Skimming,Skim,themaintext,:,Para.1,Para.2-3,I,II,Para.4-8,III,Para.9,IV,Introduction,Body,Conclusion,SkimmingSkimthemaintext:Para.1,33,Skimming,Matchthepartswiththemainideas:,Explainhowglobalwarming,comesabout,.,Listtwodifferentattitudesamongscientiststowardsglobalwarming.,Introduceadebateoverglobalwarming.,Itsuptoreaderstothinkanddecidewhetherpeopleshoulddosomethingaboutglobalwarmingornot.,I,(1),II,(2-3),III,(4-8),IV,(9),SkimmingMatchthepartswiththema,34,Scanning,Matchthepartswiththewritingskills:,Usingaquestion,leavingreaderstothinkovertheissue,Raisingaquestion,Givingexamples,makingcontrast(,comparison,),Givingex
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