仁爱九Unit 4 Topic 1 复习课件.ppt

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仁爱九Unit 4 Topic 1 复习课件

Unit 4 Amazing Science Topic 1 When was it invented ? Why is Jane unhappy? Because Jane was not allowed to play computer games last night. What is an invention? invention n.发明,创造 invent v. 发明,创造 inventor n. 发明者,发明家 An invention may be a new product or a new way of doing things. 2.What’s a rocket used for? It’s used for sending satellites or spaceships into space . 2 Fill in the blanks with the proper forms of the given words. The first jeans were produced in 1855. At that time, they ___________(not call ) jeans and they were just hard-wearing pants designed for workers. The pants _____________ (make ) of the brown cloth. This kind of cloth ______ usually ________(use) for making tents. Nowadays, their materials have been changed so that it feels more comfortable. And many different jeans styles _______ also ________(create). They ___________( design) not only for workers but also for teenagers and women. Later jeans are popular all over the world. The light bulb is w______ used by people everywhere. Thomas Edison i_______ the light bulb in 1879. It’s s______ that he invented more than two thousand things during his life. The airplane was invented by Wilbur and Orville Wright in 1903. It’s d______ from today’s. invention crayon thought silly brainstorm evaluate redesign detailed 1.People used the light bulbs widely in the past. (改为被动语态) The light bulbs ______ ______ _______ by people in the past. 2. We can launch spaceships to explore other planets. (改为被动语态) Spaceships ______ ____ _________to explore other planets. 3. Gore Verbiniski directed the movie Pirates of the Caribean in America . (对划线部分提问) _______ ______ Gore Verbiniski ________ the movie Pirates of the Caribbean? 4. The MP3 player was developed around 1998. (对划线部分提问)________ ________ the MP3 player _______________? 聚焦一般过去时的被动语态 结构:助动词(was/were)+及物动词的过去分词 1.肯定句式 :主语+was /

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