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1、Unit 6When was it invented?Section A(1a2d) 学习目标1重点单词：heel，scoop，electricity，style，project，pleasure，zipper，daily，website，pioneer，list，mention2重点短语：be used for，think of，have a point3重点句式：When was the telephone invented?I think it was invented in 1876.What are they used for?Can you help me think of an
2、invention?Is it really such a great invention?Think about how often its used in our daily lives.The pioneers of different inventions were listed there.At that time，it wasnt used widely.学习重点1重点短语和句型2一般过去时态的被动语态学习难点一般过去时态的被动语态自主学习一、预习课本P4142新单词并背诵，完成下面的汉译英。1鞋跟_2.铲子_3电能_ 4.样式_5项目_ 6.高兴_7拉链_ 8.日常的_9网站_
3、10.先锋_11名单_ 12.提到_二、认真预习1a2d找出下列短语和句型。1你能帮我考虑一种发明吗？_2它真的是如此伟大的一项发明吗？_3考虑一下它在我们的日常生活中使用的多么频繁。_4不同发明的先锋都被列了出来。_5在那时，它还没有被广泛地应用。_课堂导学Step 1情景导入Teacher：We have inventions everywhere.Inventions make us live easily and happily.Without inventions，our lives will be much more difficult.Today，we will know abo
4、ut a few inventions and talk about the history of them.(Show the pictures of four inventions on the screen：a car，a TV set，a telephone，and a computer.)When was the telephone invented？It was invented in 1876.Please pay attention to“was”Now please practice the conversations like this according to the i
5、nformation on the screen.环节说明：根据教师提供的发明及其被发明的时间为素材，采用对话练习的方式引入新课。通过问答操练，加深学生对对话内容的理解，使学生很快的投入到学习中去。Step 2完成教材1a1c的任务11a中的四种发明，你认为哪个是最早发明的，依次标出序号，小组内可交流。(3分钟)2认真听录音，将1b中的物品和它们发明的年代匹配。(4分钟)3再听一遍录音，并跟读对话。(4分钟)4两人一组互相利用1b中的物品和发明年代，仿照1c的对话形式编练新的对话，完成后邀请几组学生展示。(5分钟)。参考案例A：When was the telephone invented?B
6、：I think it was invented in 1876.5小结训练。(3分钟)(B)1.The book _ to you by Jim，so you can ask him.Thank you.I will ask him.AgaveBwas givenCwas giving Dhad given(D)2._invented the telephone?Sorry，I dont know.Lets ask the teacher.AWhatBWhenCWhereDWho(D)3.These kinds of shoes _ well.Awere not sold Bwont be
7、soldCare not sold Ddont sell(B)4.When _ the telephone _？In 1876.Adid；invent Bwas；inventedCwere；invented Ddo；invented环节说明：听说结合，第一时间向学生传达语言目标，通过结对对话练习和小结训练，使语言目标得以强化。Step 3完成教材2a2c的任务 1.认真观察2a中的图片，然后听录音，根据听到的顺序为图片标号，集体核对答案。(3分钟)2再认真听一遍录音，完成2b中的表格，完成后集体核对答案。(3分钟)3听第三遍录音，学生跟读。(3分钟)4两人一组利用2b中的信息，仿照2c的形式两
8、人一组编练新的对话，邀请几组学生表演对话。(5分钟)5小结训练。(3分钟)(C)1.The knife _ things.Aused for cutting Bis used for cutCis used to cut Duse to cut(C)2.The thing _ by Jim under the bed is a teapot.Ainvented BdiscoveredCfound Dfound out(A)3.The teachers _ how to use computer in our class yesterday.Awere taught BtaughtCwas ta
9、ught Dteach环节说明：通过听、说、读、写学习训练让学生掌握了一般过去时态的被动语态；同时学生的口语表达能力在这一环节得到提升。Step 4完成教材2d的任务1学生自读对话，完成下面的问题。(5分钟)1)判断正误 T或F；2)根据对话内容填空；3)回答问题。1)Is the subject for Pauls school project “inventions that changed the world.”？(F)2)Roy advise Paul to talk about the_zipper3)When was the zipper invented？And who inve
10、nted it?The_zipper_was_invented_by_Whitcomb_Judson_in_1893.2大声朗读2d中的对话，读熟后与同伴结对练习，分角色表演对话。(3分钟)3邀请三组学生来表演对话。(3分钟)4小结训练。(3分钟)连词成句1it，invention，is，great，really，a，suchIs_it_really_such_a_great_invention?2did，popular，when，become，itWhen_did_it_become_popular?3think，lives，about，daily，how，our，often，in，it，u
11、sed，isThink_about_how_often_its_used_in_our_daily_lives4can，invention，you，an，help，of，think，meCan_you_help_me_think_of_an_invention?环节说明：将对话问题化，既能锻炼学生的思维能力又能加深对课文的理解。小结训练又对对话中的重要句型进行了巩固加深。Step 5问题探究 1一般过去时态的被动语态我们的教学楼是去年建成的。(汉译英)Our_class_building_was_built_last_year.一般过去时的被动语态的结构为： 主语(动作接受者)was/were动词的过去分词(by动作执行者)；否定句：主语wasnt/werent动词的过去分词(by动作执行者)；一般疑问句：Was/Were主语动词的过去分词(by动作执行者)?特殊疑问句：特殊疑问词be主语动词的过去分词(by动作执行者)?()2.Pens are used _ writing.AinBtoCforDat答案选择C，be used for doing sth. be used to do sth.被用来做某事(是被动语态)。 当堂评价请学生们做前面课时训练部分。4
