Unit4Topic1SB.ppt
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1、Unit 4 Amazing Science Topic 1 When was it invented?,Section B,学习目标,1.掌握本课的重点词汇和短语, 初步学习一般过去时的被动语态。 能够在听、说、读、写中 正确运用一般过去时的被动语态。 3. 要勤思考、 有理想、争做未来的发明家。 4. 了解其他国家的科技发明。,II. Fill in the blanks with the right preposition. 1.The desk is made _ wood. 2.The red wine is made _ grapes. 3.This delicious cake
2、was made _my mother. 4.Glasses are made _ glass. 5.Our group is made up _ four students. 6.That kind of machine is made _Japan.,of,from,of,of,by,in,Review,invent /America/in 1946,A: Where were computers invented? B: They were invented in America. A: When were computers invented? B: They were invente
3、d in 1946.,Look and talk about the picture.,MP3 player 1998 Korea listen to music,mobile phone 1973 America communicate easily,Please choose one to talk about.,digital camera 1975 America take photos,A:Whats this ? B:Its A:When was it invented ? B: It was invented in A: Who invented it ? B:,1b Liste
4、n to 1a and choose the correct answers.,( ) 1. Where are Michael and Jane? A. In the science museum. B. At the school library. C. In the zoo. D. In the park. ( ) 2. Which object is not mentioned in the conversation ? A. Light bulb. B. Airplane. C. Television. D. Radio.,A,C,1a Look, listen and say.,W
5、hen was it invented? Who invented it?,Look, a light bulb!,In 1897, Thomas Edison.,In 1895 in 1903 in 1879,Can you match them?,1c Read 1a and complete the table.,radio,airplane,Thomas Edison,Wilbur and Orville Wright,1879,1895,A: What are these ? B: A: When were they produced first ? B: A: What were
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