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人教版高中英语选修6Unit4GlobalwarmingReading:Theearthisbecomingwarmer—ButDoesitMatter?Teachingaims:1)Learnthecausesofglobalwarminganddifferentattitudes.2)Masterthereadingskills.3)Saveenergyandpreventtheglobalwarming.Importantpoint:understandthecausesandeffectsofglobalwarmingDifficultpoint:howtowriteameaningfulpassageaboutglobalwarmingTeachingmethods:individual,pairwork,groupdiscussionTeachingaidsacomputer,someslides,aprojectorTeachingprocedures:Step1Lead-in1Playagame—wheeloffortune设计意图：激发学习兴趣,为阅读课文做好铺垫2playavideoandanswertwoquestions设计意图：提前预知课文内容以便更好理解Step2Skimming1Structureofthepassage1Introduction2Body3Conclusion2MatchthemainideaofeachpartPart1(A)Howhasglobalwarmingcomeabout?Part2(B)ListtwodifferentattitudesPart3(C)Shouldwedoanything?Part4(D)Theearthisbecomingwarmer设计意图：整体把握文章结构，思路清晰，便于理解文章内容Step3Scanning1Fillthetable1Whowrotethearticle?SophieArmstrong2Whatisthemainideaofthepassage?Globalwarming/thewarmingoftheearth.3Whatarethenamesofthe3scientists?DrJaniceFoster,CharlesKeeling,GeorgeHambley2TheOutlineofdifferentopinionsDrJaniceFosterCharlesKeelingGeorgeHambleyPart1Thisarticleisfrom________.A.amagazineB.theinternetC.abookPart21.What’sgraph1about?2.What’sgraph2about?3Howdoestheglobalwarmingcomeabout?Part3FillinthetableIntroductionofGreenhousegasesandGreenhouseeffectMadeaccuratemeasurementsoftheamountofCO2PredicttheglobalwarmingwillbemildandpositiveStep4CarefulreadingDr.JaniceFosterGeorgeHambleyCarbondioxidehascausedtheglobaltemperatureto______.Anincreaseoffivedegreeswouldbea_______andcouldbe_____________.Morecarbondioxideisa__________thing,whichmakescrops__________moreandwillencourage_____________.Step5Post-reading—discuss1Weshoulddosomethingornothingaboutglobalwarming.2Whatcanwedotoreducetheglobalwarming?Step6WritingWriteashortpassageaboutglobalwarming(100-120words)Step7SummaryStep8Homework1Finishyourwritingaboutglobalwarming.2SearchformoreinformationaboutglobalwarmingontheInternet.