人教版九年级英语Unit13Wex27retryingtosavetheearth!全单元教课设计Unit13Weretryingtosavetheearth!LanguageGoal【语言目标】TalkaboutpollutionandenvironmentalprotectionKnowledgeGoals【知识目标】litter，bottom，fisherman，coal，ugly，advantage，cost，KeyWordswooden，plastic，cruel，harmful，industry，law，scientific，afford，recycle，gate，bottle，president，work，metalbeharmfulto，atthetopof，thefoodchain，takepartin，KeyPhrasesturnoff，payfor，takeaction，throwaway，putsth.togooduse，pulldown，bringback1.Wearetryingtosavetheearth.2Theriverusedtobesoclean.3Theairisbadlypolluted.KeySentences4Tocutdownairpollution，weshouldtakethebusorsubwayinsteadofdriving.5Noscientificstudieshaveshownthatsharkfinsaregoodforhealth.6Youshouldtakeyourownbagswhenyougoshopping.KeyGrammarReviewpresentprogressivetense，usedto，passivevoice，presentperfecttenseandmodalverbs.AbilityGoals1.Learnthewords，phrasesandstructurestotalkaboutenvironmentalpollutionandprotection.Usethegrammar【能力目标】andstructurescorrectly.MoralGoals1.Withthehelpofthisunitsstudy，studentspaymoreattentiontoenvironmentalprotection.Learnhowimportant【感情目标】tokeepthebalanceofnature.TeachingTime【课时】FiveperiodsPeriod1SectionA(1a2d)Period2SectionA(3a4c)Period3SectionB(1a1e)Period4SectionB(2a2e)Period5SectionB(3a3b)&SelfCheck本单元环绕环境保护的话题，并用主题图片表现噪音污染、空气污染、水污染等内容，目的是为了让学生对环境的损坏有一个直观的认识，进而激发学生激烈的社会责任感和对未来发展的思虑。SectionA的要点是让学生掌握与环境污染和环境保护有关的词汇和句型，同时指引学生关爱动物、保护环境。教课难点是让学生学会正确使用连词和联合生活实质叙述怎样保护环境。SectionB在SectionA所学的基础上，进一步讨论怎样保护环境。教课要点是让学生认识环境保护的方式，并落实到踊跃的行动中间，同时还有阅读策略和写作技巧的训练。教课难点是让学生在阅读2a文章以后，依据所给词根找出衍生出的不一样词汇，并理解前缀和后缀的不一样用法。TheFirstPeriodSectionA(1a2d)TeachingImportantPoints【教课要点】Keywords&phrases：litter，bottom，fisherman，coal，ugly，advantage，cost，wooden，plasticnoisepollution，airpollution，waterpollution，befullof，playapartin，turninto，cutdownairpollutionKeysentences：1.Eventhebottomoftheriverwasfullofrubbish.2.Itusedtobesoclean.3.Everyoneinthistownshouldplayapartincleaningitup.4.Theairisbadlypollutedbecausetherearemorecarsontheroadthesedays.5.Theairhasbecomereallypollutedaroundhere.6.Weretryingtosavetheearth.Keystructure：shoulddo；usedtodo；have/hasdone；bedone；bedoingeg.Everyoneshouldhelptocleanuptheriver.Theairhasbecomereallypolluted.Iusedtobeabletoseestarsinthesky.Theairisbadlypolluted.TeachingDifficultPoints【教课难点】 Practicethestructurestotalkaboutpollutionandenvironmentalprotection.TeachingAids【教课工具】Ataperecorder，CAIormultimediacourseware.TeachingSteps【教课过程】Step1Leadingin【新课导入】1Greeting2DiscussionandreviewDiscusswiththestudents，likethis：T：Whatkindsofpollutionaretherethesedays?S：T：Whatcausesthepollution?S：3Reviewthewordsandexpressionsaboutthetopic.Step2Cooperativeinquiry【合作研究】1Finishthetaskin1aShowpicturesorplayvideosaboutpollutionandtalkaboutthepollution.Readthesephrasesin1a.Lookatthepicturesin1aandsaywhattheyseeinthepictures.Writedownthewordsandaddmorewords.Askstudentstosayouttheirwordsineachkindofpollution.2Finishthetaskin1bReadtheinstructions.Getthestudentstoreadthecontentsinthechartandthinkofwhattheywillfillintheblanks.Playtherecordingforthefirsttime.Studentslistenandfillinthewords.Playtherecordingasecondtime.Askthemtochecktheanswers.Thenaskthequestions.Studentsanswerwithfullsentences.Askmorequestionstohelpstudentslearnmoredetails.Thenplaytherecordingforthestudentstorolepaytheconversation.3Finishthetaskin1cShowthekeywordsoftheconversation.Askstudentstoretellthecontentsinthechart.LikethisReadaloudthemodeldialoguein1c.Theninpairsdotheoralpracticewithmorewords.Asktwopairstoperforminclass.4Finishthetasksin2a2bUsePPTorpicturestoshowthefourkindsofpollution.Getthegroupsofstudentstohaveacompetitiontosaywordsaboutthepollutiononebyone.landpollutionairpollutionnoisepollutionwaterpollutionGetthestudentstowritedownthesewordsintheirnotebooks.Playtherecordingforthefirsttime.Studentslistenandcirclethekindsofpollution.Checkanswerswiththeclass.Readthesentencesin2b.Predictthecontentstheywillfillin.Playtherecording.Studentslistenandcompletethesentences.Playtherecordingagain.Checktheanswerswiththewholeclass.5Finishthetaskin2cReadthesampleconversationin2c.ThenReadthelisteningmaterialsanddiscussinpairswhatcausesthetwokindsofpollution.Studentsworkinpairsmakingdialogues.Askthreepairstoroleplaytheirconversationstotheclass.6Finishthetaskin2dTalkaboutthepicturein2d.AskWhatareyourideasforsolvingtheairpollution/wastepollutionproblemPresentthenewwordsintheconversation.SuchascoaladvantagewoodenplastictakeawaybinReadtheconversationin2dquickly.Findouttheproblemsaboutenvironmentalpollutionin