选修六Unit4Warmingupandreading.ppt

Unit4Globalwarming Warmingupandreading Doyouknowanythingthatconsumeenergyinthehomeandtheclass 消耗 Doyouknowanykindofenergyresource Warmingup lights television computer washingmachine hairdryer camera wind coal oil nuclearpower solarpower water renewable可再生的 renewable renewable non renewable不可再生的 non renewable non renewable Globalwarming reasons Arisingpopulation Theuseofenergy Greenhousegases Burningoffossilfuels coal oilandnaturalgas Agriculturalindustry Destructionofforests Whatisthegreenhousemadeandusedfor Greenhouse Agreenhouseismadeofglassandisusedforgrowingplants especiallyduringcoldweather GreenhouseEffect温室效应 Reading Theearthisbecomingwarmer Butdoesitmatter FirstReading Getanoverviewofthestructure 结构 ofthisarticle Wheremayyouseethearticle Amagazine B AdiaryC AnovelD Astory Para1 Glancequicklyatthemagazinearticleandanswerthequestions Whowrotethemagazinearticle Whatisthenameofthemagazine SophieArmstrong EarthCare Comprehending Para1 2 Whatarethenamesofthethreescientistsmentionedinthearticle Dr JaniceFoster CharlesKeelingandGeorgeHambley 3 Whatdotheythinkaboutglobalwarming Dotheyagreewithoneanother Theydon tagreewitheachother Dr JaniceFosterthinkstheeffectsofglobalwarmingcouldbeveryserious GeorgeHambleythinksglobalwarmingwillbemildwithfewbadenvironmentalconsequences CharlesKeelingbelievesitistheburningofmoreandmorefossilfuelsthatisresultinginabigincreaseincarbondioxide Whatarethetwographsabout 浓度单位 Whatisthemaintopicofthearticle Globalwarming thewarmingoftheearth Exercise2 Thetemperatureinthelastcenturydidn tseemtoincreasemuch Everyonebelievesthatglobalwarmingiscausedbytheactivitiesofhumans JaniceFosterbelievesthatshecanmeasurethefutureglobalriseintemperature T T F Exercise2 5 GeorgeHambleybelievesthatglobalwarmingwilldogoodratherthanharmtotheearth 6 Itisclearwhattheeffectsofglobalwarmingwillbe T F SecondReading Dividethewholepassageinto4parts Paragraph1 Paragraphs2 5 Paragraph6 Mainideaofthetext Paragraph7 Howglobalwarmingcomesabout 全球变暖是怎样产生的 Twodifferentopinionsaboutglobalwarming Theearthisbecomingwarmer Shouldwedoanything Discussion Doyouthinkglobalwarmingisgoodorbadforus Whatcanwedotoslowitdown UsinglanguageWhatcanwedoaboutglobalwarming Turna n offwhenyou renotusingit Putonmoreclothesinsteadofturningupthe Walkor insteadoftakingmotorvehicles cans bottles plasticsandnewspapers Buythingsmadefrom Buyproductsthatareeconomicalwith inyourgardenoryourschoolyard