九年级英语When was it invented教案2新人教版.doc

科目英语年级初三班级时间 2008 年10 月 日课题 Unit 9 When was it invented? Period 1教学目标1. Knowledge Objects:Target languageListening practice2. Ability Objects:Train students listening abilityTrain students communicative competence教材分析1. Teaching Key Points:Target languageListening practice2. Teaching Difficulties:Listening practice实施教学过程设计Step 1 Warming up by learn about Passive voice (questions and statements)Passive Verb FormationTense Subject Auxiliary Past Participle Singular Plural Present The car/cars is are designed. Present perfect The car/cars has been have been designed. Past The car/cars was were designed. Past perfect The car/cars had been had been designed. Future The car/cars will be will be designed. Future perfect The car/cars will have been will have been designed. Present progressive The car/cars is being are being designed. Past progressive The car/cars was being were being designedPay attention to the passive voice of “give”.Active Professor Villa gave Jorge an A. Passive An A was given to Jorge by Professor Villa. Passive Jorge was given an A.1a Doing group workLook at the things on page 68. Number them in the order of their invention.A: I think the telephone was invented before the car.B: Well, I think the telephone was invented after the car. Television1925John L. BairdScottishA: I think the television was invented before the computer.B: Well, I think the television was invented after the computer.Telephone1876A.G. BellAmericanA: I think the calculator was invented before the plane.B: Well, I think the calculator was invented after the planer.1b Listening and matchingListen to the recording and match the inventions with the dates. Tape scriptGirl: Life must have been difficult when you were a kid.Woman: Oh, not really. Why do you say that?Girl: Well, you didnt have many modern inventions. Like, you probably didnt have a telephone, right?Woman: Of course we did! How old do you think I am? The telephone was invented in 1876.Girl: How about cars? I bet cars werent invented yet.Woman: Sure they were. Cars were invented in 1885. My family had a car. I think you need to take a history class, Alice.Girl: Ha, ha! Well, did you have a TV?Woman: No, we didnt. The TV was invented around 1927, I think. Some friends of mine had one. But in those days, TVs were really expensive, and we couldnt afford one.Girl: And I bet you didnt have calculators and computers and stuff. Thats something I do know. We learned in school that hand-held calculators were invented in 1971 and personal computers were invented in 1976.Woman: Youre right. I didnt have those things when I was young. But I do now!The things in the pictures were invented in the following order.The telephone was invented in 1876.Cars were invented in 1885.The TV was invented around 1927.The hand-held calculators were invented in 1971. The personal computers were invented in 1976.Now you are going to read the listening tape script. Blacken the passive voice, circle all the linking words and underline all the useful expressions.1c Doing pair workIn pairs, one covers the dates and the other asks him when the things in the pictures on page 68 were invented. Then change roles and practice again. A: When was the telephone invented?B: I think it was invented in 1876.A: When was the car invented?B: I think it was invented in 1885.A: When was the TV invented?B: I think it was invented around 1927.A: When was the hand-held calculator invented?B: I think it was invented in 1971.教学反思