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课件网) Unit 4 Amazing Science Topic 1 When was it invented Section B ( )1.He ___play computer games unless he finished his homework. A. was allowed to B. was not allowed to C. allow to ( )2.We all know that paper ___wood. A. is made of B. is made into C. is made from ( )3.This kind of machine ___in 2006. A. is invented B. is made C. was invented ( )4.A(An)___is used for taking photos. A .Camera B. Lift C. MP3 player ( )5 .We should spend more time ___because it’s too important. A .to learn English B. learning English C. in English B C C A B I. Choose the right answer. You can do it. 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 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 invent /America/in 1946 A: Where were computers invented B: They were invented in America. A: When were computers invented B: They were invented 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:What’s this B:It’s … A:When was it invented B: It was invented in … A: Who invented it B:… 1b Read 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, read and say. When was it invented Who invented it Look, a light bulb! In 1897, Thomas Edison. In 1895 in 1903 in 1879 1c Read 1a and complete the table. Invention Inventor Year light bulb Guglielmo Marconi 1903 radio airplane Thomas Edison Wilbur and Orville Wright 1879 1895 1d Discuss with your classmates the inventions listed in 1c. Let them guess which invention you are describing. You may begin like this: It is widely used by people everywhere. It was invented in 1879 by Thomas Edison. It’s said that… A: What are these B:… A: When were they produced first B:… A: What were they made of B:… Do you know 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. were not called were made was used are created are designed A. Karl Benz C. Alexander Graham Bell B. John Baird Invention Inventor Year a.1926 b ... ...