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Unit 6 When was it invented学习目标1. 单词：heel, scoop, electricity, style2. 词组：in those days, shoes with special heels, shoes with lights, see in the dark, change the style of your shoes, serve really cold ice-cream3. 句型：When was the telephone invented? It was invented in 1876.学习重点学习讨论发明物的历史。学习难点被动语态：be + v.ed学 习 过 程自主空间一、独立自主学习一）翻译以下内容invent inventor invention shoes with special heels 带电的鞋子 改变鞋子的式样 在黑暗中看 run on electricity Serve really cold ice-cream 电视是什么时候发明的？ 它是在1876年发明的。 It was invented before the computer. 二、合作互助学习。任务一：老师设疑，小组交流、讨论。任务二：学生互相谈论自己喜欢的发明。任务三：学习呈现学习内容。任务四：完成听力任务。任务五：口头表达所听内容。三、展示引导学习 英译汉1. invent v. 发明 who invented the bike? Inventor. n. 发明家 Tom is an America inventor. invention n. 发明物 Computer is the greatest invention.汉译英：电话是最有用的发明，它是由贝尔在1876年发明的，贝尔是位了不起的发明家。The telephone is one of the most useful .It by Bell in 1876.Bell was a great .2. 学习 be used for doing sth.be used to do sth.be used to doing sth.used to do sth.汉译英：钢笔是用来写字的 / 小明习惯于早睡早起 这位老人曾经是位警察 四、评价提升练习一）选择填空( )1.Do you think the old machine is .Yes, its for carrying water.A. use; used B. useful; used C. useful; useful D. use; using( )2. He the telephone which is still being used today.A. invented B. discovered C. found D. found out( )3. A new scarf her mother by a little girl yesterday.A. bought for B. bought to C. was bought for D. was bought to( )4. When the bridge ?Last year.A. did; build B. was; build C. was; built D. did; build( )5. Why is the classroom so dirty?Sorry, sir. It yesterday. We forgot to do it.A. doesnt clean B. didnt clean C. isnt cleaned D. wasnt cleaned二）句型转换1. They are used for seeing in the dark. （对画线部分提问）What are they ?2. English is widely spoken in the world. (改为主动句)People speak in the world.3. I think the most helpful invention is the light bulb. (对画线部分提问) you think the most helpful invention?4. I think the TV was invented before the car. (改为同义句)I think the TV was invented the car.5. The zipper became popular around 1917. (改为同义句)The zipper was around 1917.五、课堂小结：1、我的收获：2、我的困惑：
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