英语人教版九年级全册When was it invented.docx

Unit6 When was it invented ?一， 教学目标1. 语言知识目标：1) 能掌握以下单词： heel, scoop, electricity, style能掌握以下句型： When was the telephone invented?I think it was invented in 1876. What are they used for?They are used for seeing at night.2) 能谈论物品被发明的时间、发明者，表达某发明的用途。2. 情感态度价值观目标：了解一些近现代发明的时间及用途，激发自己热爱发明的情感。培养想象力，善于观察事物。面对难题，用积极的态度去解决，发挥想象力，认识世界，改造世界。二，教学重点、难点1. 教学重点：1) 本课时的单词、词组和句型，学习运用一般过去时态的被动语态was/were+动词的过去分词。2) 学会询问发明时间及用途的基本句型：When was the telephone invented?I think it was invented in 1876.What are they used for?They are used for seeing at night.三， 教学方法及用具多媒体，讲授法，小组协作法四，教学过程I. Warming up1. 展示一些近代发明的图片与近代发明的发明者，让学生们将图片与发明者相连。T: Do you know what these inventions are?S1: Its a car.S2: Its a telephone.S3: Its a television.T: Do you know who these inventors are?S1: Karl BenzS2: Alexander BellS3: J. L. BairdLet Ss match the inventions and the inventors. Presentation1，引导学生们学习一般过去时态的被动语态结构。让学生们看大屏幕的如果爱和发明者的图片,并将句子改为被动语态。如：T: Karl Benz invented the first car in 1885.The first car was invented (by Karl Benz) in 1885.2，完成1a。讨论哪些发明在前，哪些发明在后，复习句型。，Listening1,完成听力1b,核对答案。2.句型操练，根据1b练习e.g. A: When was the telephone invented? B: I think it was invented in 1876.3,完成听力2a,2b.核对答案。4，利用2a,2b的信息对话，句型操练。e.g. A:What are shoes with light used for? B:Theyre used for seeing