《When was it invented》学案

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约18140字。

  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?
  Thint 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?
  ________________________________________________________________________
  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 mas live easily and happily.Without inventions,our lives will be much more difficult.Today,we will know about a few inventions and talt 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.
  —Than.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

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