湖南省古丈县古阳中学九年级英语全册 Unit 6 When was it invented Period 1教学案 （新版）人教新目标版(1).doc

unit 6 when was it invented period 1 课题名主备人课时period1(section 1a-1d)学习目标1.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。学习重点本课时的单词、词组和句型，学习运用一般过去时态的被动语态。运用一般过去时态的被动语态来讨论发明的发明时间及用途。学习难点过去时态的被动语态的运用及构成。教学步骤教学过程二次备课i.温故知新show some pictures and ask students to be familiar with the words below.telephone ,calculator , car ,personal computer, tv setii.兴趣导入1. 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。1. do you know? what are the four great inventions in ancient china?the four great inventions: printing, gunpowder, paper-making and the compass are the four great inventions of the ancient china. they were invented by chinese. they still play an important part in the modern world.2. talk about other inventions in the world.iii.感受新知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.step 3 talking1. look at the pictures in 1a. discuss with your group, in what order do you think they were invented? try to number them 1-4. 2. ss discuss with their partners and number the pictures. 3. talking about the inventions: a: i think the tv was invented before the car. b: well, i think the tv was invented after the tv. step 4 listening (1b)1. t: tell ss look at the pictures and years on the left. 2. play the recording for the ss to listen. 3. ss listen to the conversation and try to match the invention with the proper year. 4. play the recording again. 5. check the answers.iv.梳理巩固1. ss try to remember the invention and the year. 2. student b, cover the dates. student a, ask student b when the things in the picture in 1b were invented. then change roles and practice again. 3. let some pairs ask and answer in pairs. e.g. a: when was the telephone invented? b: i think it was invented in 1876.v.拓展探究electricity电，电能。后缀ity表名词，表示“某种性质，状态等”。常用搭配：electricity meter 电表。e.g:the electricity had been cut off.vi.课堂检测完成句子1、这些衬衫是是什么做的？它们是棉质的。 are -the shirts ?the