英语人教九年级上册UnitWhenwasitinventedPPT学习教案

1、会计学1What other can you think of? TV? telephone? radio?computer? car?第1页/共56页Can you tell when they were invented?第2页/共56页A: I think was invented before B: Well, I think was invented after .第3页/共56页1aGROUPWORK35241第4页/共56页A: I think was invented before B: Well, I think was invented after .第5页/共56页A:

2、I think was invented before B: Well, I think was invented after 第6页/共56页a1bListen and match the inventions with the dates._ 1876_ 1885_ 1927_ 1971_ 1976bacdebecd第7页/共56页1cPAIRWORKStudent A, cover the dates and ask student B when were the things in the picture above were invented.Model A: When was th

3、e telephone invented?B: I think it was invented in 1876.A: When was the car invented?B: I think it was invented in 1930. I think it was invented after the telephone.第8页/共56页Pairwork (1c:P68)19761885187619271971第9页/共56页Edison invented the light bulb.The light bulb was invented by Edison.Who was the l

4、ight bulb invented by?第10页/共56页The telephone by Bell.was invented Who was the telephone invented by?Bell invented the telephone.第11页/共56页_ was invented by _.The carKarl BenzWho was the car invented by?Karl Benz invented the car.第12页/共56页第13页/共56页talking with people第14页/共56页A: What is the used for?B:

5、 I think it is used for _. (count)counting第15页/共56页A: What is the used for?B: I think it is used for _.(work)working第16页/共56页A: What is the used for?B: I think it is used for _.(ride) riding第17页/共56页counting(count)第18页/共56页A: What is the used for?B: It is used for _.(count)counting第19页/共56页A: What i

6、s the used for?B: It is used for _. (watch the things far away clearly)watching the thingsfar away clearly.第20页/共56页A: What is the _ used for?B: It is used for _ .making the food hot.(make the food hot)第21页/共56页A: When was invented?B: It was invented inA: Who was it invented by?B: It was invented by

7、A: What is the used for?B: The is used for doing 第22页/共56页Who were they invented by?What are they used for?adjustable 可调整的operate 操作 heat 加热第23页/共56页3122aListen and number the inventions in the order that you hear them.第24页/共56页2cPAIRWORKRole play the conversations using the information in the chart

8、 above.Model A: Who was / were it / they invented?B: They was / were invented by .A: What is / are it / they used for?B: It / they is / are used for . be used for 被动语态, “被用来做”。介词 for 表目的用途, 可接名词或动名词形式。第25页/共56页Oral Practice第26页/共56页第27页/共56页主动语态变为被动语态的步骤第28页/共56页1.I open the door.The door is opened

9、by me.2.He often helps homeless people.Homeless people are often helped by him.3.I handed out some papers just now.Some papers were handed out by me just now.主动语态:主语是动作的执行者。被动语态:主语是动作的承受者。被动语态结构为：(主动语态)(主动语态)(主动语态)(被动语态)(被动)(被动语态)be+过去分词将下列句子变为被动语态。第29页/共56页第30页/共56页第31页/共56页the stage?特殊疑问句特殊疑问句疑问词疑

10、问词+be+主语主语+过去分词过去分词+(by)Where was a sweet song sung by her?第32页/共56页练习: 请把下列主动句变为被动句第33页/共56页第34页/共56页3aPAIRWORKMake a list of five helpful inventions and five annoying inventions. Helpful inventions Annoying inventionsexample telephone1. _2. _3. _4. _5. _example alarm clock 1. _2. _3. _4. _5. _vacu

11、um cleanertelevisioncarcomputerfax machineair-conditionertruckhair dryerjunk foodice cream第35页/共56页Model 1 A: What is this?B: It is an alarm clock. A: What is it used for?B: It is used for waking people up in the morning.A: Do you think it is annoying?B: Sometimes, when I want to go on sleep.第36页/共5

12、6页Model 2 A: What is this? B: It is a light bulb. A: What is it used for?B: It is used for giving light.A: Do you think it is helpful?B: Yes, I think so. Because I always do homework and read books in the evening by its light.第37页/共56页Model 3 A: What is this?B: It is a microwave oven. A: What is it

13、used for?B: It is used for heating cold food and cooking meals.A: Do you think it is helpful?B: Yes, I think so. Because my parents are very busy and I can use it to cook meals by myself.第38页/共56页3bPAIRWORKDiscuss your opinion in activity 3a with your partner.Model 1 第39页/共56页Model 2 第40页/共56页4GROUP

14、WORKChoose five inventions you would like to have if you are alone on an island.A: Id like to have a radio because I could listen to music all day.B: Yes, but thats not going to help you leave the island. I think it would be better to have Model 1 第41页/共56页Model 2第42页/共56页Model 3第43页/共56页HOMEWORK Wr

15、ite an article according to the information in part 4. 第44页/共56页Exercise 第45页/共56页1. They produced that kind of car.2. The workers built a bridge over the river.3. Mother tells me a story every day.That kind of car was produced by them. A bridge was built by the workers over the river.I am told a st

16、ory by Mother every day.I. 请把下列主动句变为被动句:第46页/共56页1. The TV _ (invent) around 1927.2. They are used for _ (see) in the park.3. This kite _ (make) by Uncle Wang.4. Tea _ (discover) a long time ago.5. Our classroom _ (should clean) every day.was inventedseeingwas madewas discoveredshould be cleanedII. 用所给动词的适当形式填空：第47页/共56页1. _ _ the computer _ (什么时候发明的)？2. _ was the car _ _ (谁发明的)？3. A pen _ _ _(用来做) writing.4. What do you think is _ _ _ _ (最有帮助的发明)？5. He said the fish was _ _ (足够咸)。When was is used for invention the most helpfu