Unit2GlobalWarmingSECTION2教案THEGENERALIDEAOFTHISSECTIONThesectionisabouttheskillsoffivetopics:comprehension，wordpower,listening,speakingandwriting,Inthissection,youwilllearnsomepracticalknowledgeabouttheGlobalwarming,listeningstrategiesandthemethodofspeaking,TEACHINGAIMSLearnthereasonsofglobalwarmingTraintheSslisteningabilityLearnamethodofspeakingTEACHINGIMPORTANTPOINTSHelpSstounderstandthechangeofaword,alookattheprefixoverandthesuffixable,alisteningactivityonthethemeofglobalwarming.TEACHINGDIFFICULTPOINTSHowtomasteralookattheprefixoverandthesuffixable.HowtohelpSsimprovetheirlisteningablityandunderstandthematerialbetterHowtowritingaconversationexcrciseabouttheweatherandawritingexercisethatchallengesstudentstowriteaplay.TEACHINGMETHODSTakingseveralwordsforexampletodemonstratehowtochangethepartofspeechFastlisteningtogetthegeneralideaofthematerialCarefullisteningtounderstanditbetterDiscussiontohelpSsunderstandwhatthey'velearedbetter.ExplanationtohelpSsmastersomelanguagepointsTEACHINGAIDSAtaperecorderAmultimediaTEACHINGPROCEDURESStep1Greetings1Greetthewholeclassasusual2ChecktheirhomeworkStep2BuildingyourvocabularyDividetheclassintopairs.Assigneachpairawordbeginningwith“over”.Askeachpairtodiscussthemeaningandwritetwosentenceswiththeirassignedword.Giveeveryone10minutestoprepare,thenaskeachpairtopresenttheword.over-"过度，过多"：overcharge索价太高；overcrowd使过度拥挤。over的详解见Unit2section2课件ableadj.能...的,有才能的,能干的,能够的manageableadj.易处理的,易管理的,便于管理的readableadj.易读的comfortableadj.用心爱心专心116号编辑舒适的-able的详解见Unit2section2课件change用法：1）n.改变,变化,转变,找回的零钱,找头,辅币2）vt.改变,变革,改造,兑换changeAforB表示用A换成B；changeAintoB表示把A变成B。表示变化时是可数名词，表示零钱时不可数。change的详解见Unit2section2课件Step3ListeningLastclasswelearnedsomeknowledgeabouttheGlobalwarming.Todaywearegoingtolistentoapassageaboutthetruthofglobalwarming.Afterlisteningtothecontext,theteachershouldletstudentsguessthemeaningofthewords:greenhousegases.LettheSsdotheexcise.Step4speakingLettwoSsreadthefollowingdialogueStaringaconversation.AndPresentsomebodysaystoyousomethingsimilartotheabove,youareexpectedtorespondinanappropriateway.youcansay,“Yes,indeed,theweatherhasbeenterriblethesedays”Thenyoucanintroduceyourselftothestranger.Thenbothofyoucanmoveontotopicsofinterest,saynglobalwarming.Step5SummaryandhomeworkInthelastunit,youwereaskedtowriteaconversationbetweenyouandyourdoctor.Hereyouareaskedtowriteaplay.Step6skillsinactionThisunitisaboutglobalwarming.Theunitprojectisforyoutowriteaplay,eachplayshouldhaveaminimumoffourcharacters.Dividetheclassintogroupsoffour,eachplaycouldbepresentedtotheclass.Step7ThedesignofthewritingontheblackboardUnit2GlobalWarmingSection2DevelopingyourskillsbuildyourvocabulaybuildyourlisteningskillsbuildyourspeakingskillsStep8ActivitiesandResearch1PresentationofsomewordstoGlobalwarming.2Fastlisteningtogetthegeneralideaofthepassage3Carefullisteningtogetsomedetailedinformation4Presentationofdialoguestouse"change"5Writeaplayaboutatthedoctor’s.用心爱心专心116号编辑
