九年级英语 Unit9 When was it invented.doc

九年级英语 Unit9 When was it inventedPart 1: Teaching design (第一部分：教学设计)Structures: Passive voice (questions and statements)Target language: When was the telephone invented?I think it was invented in 1876.Vocabulary: salty, sweet, sour, crispy, pleasant, potato chips, slipper, leaf, fire, scoop, light bulb, telescope, microwave oven, abacus, camera, beverage, be invented by, be used for, by mistake, by accidentLearning strategies: Brainstorming, Role playingSECTION AGoals To learn to use Passive voice (questions and statements)To listen, talk and read about inventionProceduresWarming 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. Televisor1925John L. BairdScottishA: I think the televisor was invented before the computer.B: Well, I think the televisor 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. TapescriptGirl: 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 calculator 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 calculator were invented in 1971. The personal computers were invented in 1976.Now you are going to read the listening tapescript. Blacken the passive voice, circle all the linking words and underline all the useful expressions.1c Doing pairworkIn 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 1971.2a Listening and numberingNext you are going to listen to a tapescript and number the inventions in the order that you hear them.TapescriptBoy: What are those?Girl: Theyre battery-operated slippers.Boy: What are they used for?Girl: Theyre used for seeing in the dark.Boy: Oh, thats cool! Who were they invented by?Girl: Julie Thompson. And look at this heated ice cream scoop.Boy: I know what its for! Its used for scooping out really cold ice cream.Girl: Right. It was invented by Chelsea Lanmon.Boy: My favorite are those shoes with adjustable heels. You knowyou can move the heels up and down. They were invented by Jayce Coziar and Jamie Ellsworth.Girl: And what are they used for?Boy: Well, you can change the style of your shoes. You can make the shoes go from casual to dressy.The inventions are heard in the following order.battery-operated slippersheated ice cream scoopshoes with adjustable heels2b Listening and matchingYou shall listen to the recording again and match the items in the chart on page 69 in columns A, B, and C. A: InventionB: Who was it/ were they invented by?C: What is it/ are they used for?Shoes with adjustable heelsChelsea LanmonScooping really cold ice creamBattery-operated sneakersJayce Coziar and Jamie EllsworthSeeing in the darkHeated ice cream scoopJulie ThompsonChanging the style of the shoes2c Doing pairworkRole play the conversations using the information in the chart in the middle of page 69. Pay attention to the formation of passive voice.A: What are the shoes with adjustable heels used for? B: They are used for changing the style of the shoes.A: What are the battery-operated sneakers used for?B: They are used for seeing in the dark.A: What is the heated ice cream scoop used for?B: It is used for scooping really cold ice cream.3a Doing pairworkThere are two kinds of inventions. One is helpful invention, and the other is annoying invention. Now in pairs make a list of five helpful inventions and five annoying inventions.Helpful inventionsAnnoying inventionsExample: telephoneExample: alarm clock1. plane1. atomic bomb2. computer2. missile3. bike3. rifle4. car4. chemical weapon5. train5. alarm clock3b Doing pairworkIn pairs discuss your opinions in 3a with your partner.A: What do you think is the most helpful invention?B: I think the most helpful invention is the light bulb. A: Why is that?B: Well, it gives people more time to work and play every day.A: What do you think is the most annoying invention?B: I think the most helpful invention is the atomic bomb. A: Why is that?B: Well, it gives people more power to kill others.A: What do you think is the less helpful invention?B: I think the less helpful invention is the car. A: Why is that?B: Well, it makes it possible for people to move to distant places faster.4 Doing groupworkImagine you are left alone on a small island in the sea. If you are allowed to take five inventions along with you, what would you take?I like to take the followings with me.knifeflashlighthandphonetelescopegun