九年级英语上册Unit6Whenwasitinve教案新版人教新目标版

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九年级英语上册Unit6Whenwasitinve教案新版人教新目标版

Unit 6 When was it invented?‎ Section A (1a-2d) ‎ ‎1.重点单词:heel,scoop,electricity,style,project,pleasure,zipper,daily,website,pioneer,list,mention ‎2.重点短语:be used for,think of,have a point ‎3.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 invention?‎ Is it really such a great invention?‎ Think about how often it's used in our daily lives.‎ The pioneers of different inventions were listed there.‎ At that time,it wasn't used widely.‎ ‎1.重点短语和句型 ‎2.一般过去时态的被动语态 一般过去时态的被动语态 一、预习课本P41-42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________ 10.先锋________‎ ‎11.名单________ 12.提到________‎ 二、认真预习1a-2d找出下列短语和句型。‎ ‎1.被用来……________________________________________________________________________‎ ‎2.考虑________________________________________________________________________‎ ‎3.有道理________________________________________________________________________‎ ‎4.—电话是什么时候发明的?‎ ‎—我认为它是1876年发明的。‎ ‎________________________________________________________________________‎ ‎________________________________________________________________________‎ ‎5.它们是用来干什么的呢?________________________________________________________________________‎ ‎6.你能帮我考虑一种发明吗?‎ 4‎ ‎________________________________________________________________________‎ ‎7.它真的是如此伟大的一项发明吗?‎ ‎________________________________________________________________________‎ ‎8.考虑一下它在我们的日常生活中使用的多么频繁。‎ ‎________________________________________________________________________‎ ‎9.不同发明的先锋都被列了出来。‎ ‎________________________________________________________________________‎ ‎10.在那时,它还没有被广泛地应用。‎ ‎________________________________________________________________________‎ 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 about 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 information 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1a-1c的任务 ‎1.1a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: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.‎ A.gave        B.was given C.was giving D.had given ‎(D)2.—________invented the telephone?‎ ‎—Sorry,I don't know.Let's ask the teacher.‎ A.What  B.When  C.Where  D.Who ‎(D)3.These kinds of shoes ________ well.‎ A.were not sold B.won't be sold C.are not sold D.don't sell ‎(B)4.—When ________ the telephone ________?‎ ‎—In 1876.‎ A.did;invent B.was;invented 4‎ C.were;invented D.do;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2a-2c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.‎ A.used for cutting B.is used for cut C.is used to cut D.use to cut ‎(C)2.The thing ________ by Jim under the bed is a teapot.‎ A.invented B.discovered C.found D.found out ‎(A)3.The teachers ________ how to use computer in our class yesterday.‎ A.were taught B.taught C.was taught D.teach 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 Paul's school project “inventions that changed the world.”?(F)‎ ‎2)Roy advise Paul to talk about the_zipper.‎ ‎3)When was the zipper invented?And who invented 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 ‎1.it,invention,is,great,really,a,such Is_it_really_such_a_great_invention?‎ ‎2.did,popular,when,become,it When_did_it_become_popular?‎ ‎3.think,lives,about,daily,how,our,often,in,it,used,is Think_about_how_often_it's_used_in_our_daily_lives.‎ ‎4.can,invention,you,an,help,of,think,me Can_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。‎ 4‎ 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.‎ ‎①一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);‎ ‎②否定句:主语+wasn't/weren't+动词的过去分词+(by+动作执行者);‎ ‎③一般疑问句:Was/Were+主语+动词的过去分词+(by+动作执行者)?‎ ‎④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.‎ A.in   B.to   C.for   D.at 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)。 ‎ 请学生们做前面课时训练部分。‎ 4‎
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