Unit1-Topic-3-The-world-has-changed-for-the-better(section-B)教案(仁爱版九年级上册)

SectionBThemainactivitiesare1aand3.本课重点活动是1aⅠ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandaphrase:inneed,medical,treatment,provide,conversation,secretary,engineer,fisherman,dead,army,wound,granddaughter,grandchild,ache,fire,stairs,downstairs,board2.3.Goonlearningthepresentperfecttensewith“for”or“since”andfindthedifferencesbetweenthepresentperfecttenseandthesimplepasttense:(1)Bobbylefttheparktwohoursago/at8:00.(2)Bobbyhasbeenawayfromtheparksince8:00/fortwohours.4.Learnaboutwordformation:compound.5.Learntohelphomelesspeople.Ⅱ.Teachingaids教具单词卡片/小黑板或幻灯片/图片(流浪者/灾难)/录音机/多媒体Step1Review复习for,since在现在完成时中的用法及派生构词法，引出合成构词法并导入新课。1.师生问答，复习for,since的用法。2.教师用上节课给单词穿“鞋”戴“帽”的小游戏复习派生构词法。3.(引出合成构词法，导入新课。)Step2Presentation怎样帮助无家可归的人，培养学生的同情心，让学生学会关心他人，并在师生对话中学习1a中的生词及短语。1.教师出示一些单词卡，引导学生说出合成词的词义。2.展示三幅流浪者或灾难的图片，谈论并引出1a。2.让学生听1a录音，并回答问题，必要时可听两遍。S1: Itprovidesfoodandmedicaltreatmentforthem.S2: Theprogramprovidesthemwithhouses.S3: Ittrainsthemsothattheycanfindjobsagain.S4: Itmakesthemfeelgoodaboutthemselves.…Step3Consolidation通过分角色表演，复述等活动，巩固1a，完成1b。1.(双人活动，让学生分角色表演1a。)T: Now,let’sactoutthedialoginpairs.2.(读1a，学生找出关键词组和句子，教师板书，解释并让学生复述1a。)T:Read1a,findoutthekeyphrasesandsentences,thenretell1abyusingthem.(1)thehomelesspeople(2)Howdotheymanageit?(3)Oncetheyfindpeopleinneed,theydecideonsuitablewaystohelpthem.(4)providesb.withsth.(5)Ithinkit’simportantforthesepeopletofeelgoodaboutthemselves.3.(再读1a，完成1b。要求学生掌握conversation。核对答案。)T:Read1aagain,finish1b,thenIwillchecktheanswers.Step4Practice继续巩固合成词及for,since的用法，引出2a内容，然后用多媒体创设情景，通过讲故事的完成2a，2b。1.分组开展竞赛，复习合成词。2a中的图解，引导学生对含有for和since的现在完成时与一般过去时进行区别。T:Read2acarefully,tryyourbesttofindthedifferencesbetweenthetwosentencesingroups.3.继续学习since,for的用法，同时呈现2b中的生词，并让学生掌握。(让学生独立完成2b，然后引导学生总结非延续或延续性动词在与时间段连用时动词的转换情况，板书总结的内容并作补充讲解。)含有for+时间段/since+时间点/howlong…等句子里的谓语动词需要用延续性动词。die→bedead, leave→beaway(from)come→bein, join→beamemberof/beinbuy→have, borrow→keepStep5Project2.Homework:Makefivesentencesusingthewords:“for”and“since”.板书设计：Theworldhaschangedforthebetter.SectionBinneed Bobbylefttheparktwohoursago/at8:00.medicaltreatment Bobbyhasbeenawayfromtheparksince8:00/fortwovide…with…Compounds: die→bedead,come→beingrand+