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《英语人教版九年级全册Unit 13 section A-1(1a-1c)》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。
1、Unit13We’retryingtosavetheearth!SectionA(1a-1c)一、教学目标1、知识与技能（1）学习下列词汇、词组:litter,bottom,fisherman,atthebottomof,usedtobe,playapartin（2）掌握现在进行时，现在完成时，被动语态，情态动词和usedto句型，正确运用。2、过程与方法通过句子理解并掌握下列时态和usedto句型:We’retryingtosavetheearth.Theriverusedtobesoclean.Theairisbadlypolluted.Noscientificstudieshave
2、shownthatsharkfinsaregoodforhealth.Weshouldhelpsavethesharks.3、情感态度与价值观有环境危机意识，学会关注环境保护环境。二、教学重难点1、教学重点（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto型。（2）保护环境的措施方法。2、教学难点能正确运用现在进行时，现在完成时，被动语态，情态动词和usedto型。三、教学过程Step1WarmingupT:Doyouknowwhattheatmospherehazeis?Yes,itisakindofpollution.Whydon’tyoulikeit?What
3、otherkindsofpollutiondoyouknow?S:Noisepollution,waterpollution,landpollution.Step2Presentation(1a)Therearesomewordsrelatedtodifferentkindsofpollutionin1a.Writethemintheboxin1aindividuallyandaddmorewords.Andthenchecktheirworkwithseveralstudents.Keys:noisepollution:loudmusic,planes,buildinghouses,m
4、obilephonesairpollution:cards,factories,smoking,buildinghouseswaterpollution:rubbish,littering,ships,factoriesStep3Listening(1b)1.（1）Whatwastheproblem?Theriverwas__________.Eventhebottomoftheriverwasfullof_______.Therewerenomore________forfishermentocatch.（2）.Whatcausedtheproblem?Peoplearethrowin
5、g______intotheriver.Factoriesareputting______intotheriver.（3）.Howshouldtheproblembesolved?Weshouldwritetothe___________andaskthemto__________thefactories.Everyoneshouldhelpto________theriver.Keys:（1）reallydirtyrubbishfish（2）litterwaste（3）governmentclosedowncleanup2．Listenagainandcheckthesentences
6、youhear.1)Wecouldgofishingintheriver.1)Theriverwasreallydirty.2)Theriverhasalwaysbeenthenicestriverinthistown.3)Weshouldasktheteachersforhelp.Keys:23Step4Pairwork(1c)1.Havethestudentsrole-playtheconversation.Thenmaketheirownconversationsaboutthekindsofpollutionin1a.e.g.Mark:The…wasdirty.Even…wasf
7、ullof…Tony:Butitusedtobeso…!Mark:Yes,but…arethrowinglitterinto…Tony:Everyoneinthistownshouldplayapartin…!2.Getsomepairstopresenttheirconversationtothewholeclass.Step5Languagepointslitter,bottom,fisherman,closedown
