When_was_it_invented.ppt

1、Unit 9,When was it invented ?,Section A,The Passive Voice 被动语态,Edison invented the light bulb,invention n. 发明物,inventor n. 发明家,invent v. 发明,Edison,light bulb,The light bulb was invented by Edison .,1879年,The classroom is cleaned every day .,The Shanghai Expo(世博）was held in 2010.,The Birds Nest was b

2、uilt in Beijing.,classroom clean ，every day,Birds Nest build, Beijing,The Shanghai Expo(世博） hold，2010,When was the airplane invented?,the first airplane,Wright Brothers 1913,Who was it invented by?,calculator 计算器,car,TV,telephone,inventions,computer,1c,PAIRWORK,A: When was the telephone invented ? B

3、: I think it was invented in 1876.,1976,1885,1927,1971,1876,Guessing: What is it?,Guessing: What is it?,microwave oven,It is used for cooking and heating food,(加热),+doing被用来做某事,Whats it used for?,be used for,A:What is/are used for? B:Its/Theyre used for,take photos,talk with people,tell the time,cut

4、 things,Practice,work and study,interesting inventions,high heels,adjustable heels,adjustable 可调整的,heat 加热,scoop,interesting inventions,ice cream scoop,slippers,a battery,batteries,operate 操作,interesting inventions,battery- operated slippers,a brain storm 头脑风暴,老鼠被猫看见了， 猫被狗看见了， 狗被老虎看见了， 它们被我看见了!,The

5、mouse was seen by the cat, the car was seen by the dog, the dog was seen by the tiger, they were seen by me!,invent calculatorscoop adjustableheel batteryoperate battery-operatedslipper heatbulb light bulb,New words:,be used for sth./doing sth.be used to do sth.被用来做某事be used by sb.被某人使用be used as st

6、h.被当作某物be used to doing sth.习惯于做某事used to do sth.过去常常做某事,比一比,中考早体验 （ ） 1.The sick boy _ to hospital by the police yesterday.(2009北京） A. is taken B. was taken C. takes D. took （ ） 2.Usually John _to school in his fathers beautiful car. （2009 河南） A. has taken B. is taking C. is taken D.has been taken

7、（ ） 3.The new library building _last week.(2009广东） A. was completed B. is completed C. completed D.has completed （ ） 4. We will fly a kite as soon as your homework _. (2010江苏省） A. finishes B. will be finished C. has finished D. is finished （ ） 5.Excuse me, whats this for? （2010广东省） Its a cleaner and

8、 it to pick up dirt. A. uses B. is used C. is using D. used （ ） 6.Her son_ coke, but now he _milk.(2009湖北） A. used to drink ,is used to drinking B. used to drinking , drinks C. is used to drinking, used to drink D. is used to drink, is drinking,B,C,B,A,D,A,Write a short composition about one of the four inventions in ancient china, using the pat