九年级第九单元.ppt

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1、钱庙中学 方丽丽,Great Inventions?,Unit 9 When was it invented?,1876 1885 1927 1971 1976,A:When was the telephone invented?B:It was invented in 1876.,A:Who was it invented by?B:It was invented by Bell.,A:What is it used for?B:Its used for talking to people who is not here.,Ask and answer in pairs,computer,c

2、amera,light bulb,I.Choose the correct answer.,1.()When _ the car _?A.was,invented;B.is,invented;C.was,invent;D.is,invent2.()The tea was invented _ ShenNong.A.with B.by C.on D.to3.()Is the key _ for _ the door?A.used,open B.used,opened C.use,open D.used,openingII.Change the sentence patterns.1.The li

3、brary was built last year.(就划线部分提问)2.I think the telephone was invented before the car.(否定句)3.The compass(指南针)was invented by Chinese people.(提问),A,B,D,When was the library built?,I dont think telephone was invented before the car.,Who was the compass invented by?,Guessing game,A,B,C,It was invented

4、 in 1350.It was invented by a German.It is used for telling us the time,And telling us to get up on time.,It was invented long time ago.It was invented by a common man.It is used for keeping your hands warm.,It was invented by Cai lun,its used for writing and is very important in our study.,More inv

5、entions in the future?,your inventions,Please design an invention with your imagination,work in groups and draw it on a piece of paper,then introduce it in front.,Grammar focus,When was invented?It was invented in Who was it invented by?It was invented byWhat is it used for?It is used for(doing),Write a short composition about an invention in our life,using the patterns we learnt today.When was it invented?Who was it invented by?What is it used for?Why is it important?,Homework,