unit9教案3.docx

1、unit9教案3Unit 9 When was it invented?Part 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, ligh

2、t 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 lear

3、n 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 be

4、en 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

5、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 inve

6、nted 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 inv

7、ented 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 ha

8、ve 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

9、, 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

10、 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

11、 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, on

12、e 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?

13、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-

14、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 b

15、y 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 dre

16、ssy.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 inve

17、nted 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 u

18、sing 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

19、 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.He

20、lpful 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?

21、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 ki

22、ll 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

23、 five inventions along with you, what would you take?I like to take the followings with me.knifeflashlighthandphonetelescopegunSECTION B GoalsTo learn to use passive voice (questions and statements)To read about teaProceduresWarming up by making passive sentencesHello, everyone. This week we learn t

24、o use passive voice (questions and statements). Now we shall begin by making passive sentences (questions and statements).I was frustrated by his reply.His death was caused by his hard work.Was the problem solved?His last hope was given up.His English pronunciation is influenced by his Chinese.His a

25、ttention was concentrated on his disease.When was your radio set lost?Was her order obeyed?Was she terrified by her face?When was his house burned?1a Looking and writingOn page 71 you will find some adjectives used to describe how food tastes. Look at the pictures and write them under the correct pi

26、cture. Note that some pictures have more than one word.Do you like sweet drinks?The crackers arent crisp. They must have got wet.This soup is very salty.I like to drink sour milk.These oranges are as sour as lemons.1b Writing the namesOn page 71 you will find in the box some adjectives used to descr

27、ibe food. Now read each of them and write the name of a different food after each of them.Sweet apple crispy crackers salty water sour rice2a Listening and circlingOn page 71 in the middle of the page you will find 6 statements. Listen to the recording and circle T or F. TapescriptBoy1: Hey, did you

28、 know that potato chips were invented by mistake?Boy2: Really? What do you mean?Boy1: Well, here on the bag it says that they were invented by a chef called George Crum.Boy2: When was that? Boy1: Oh, it was back in 1853.Boy2: So, why was it an accident?Boy1: Well, one day a customer in the restauran

29、t where George worked sent back his plate of fried potatoes because he said they were cut too thick.Boy2: So what happened?Boy1: Well, George was in a bad mood, so he cut the potatoes really, really thin, and he cooked them for a long time until they were crispy. And he sprinkled lots of salt on the

30、m so they were really salty. He thought the customer would hate them.Boy2: And?Boy1: And the customer loved them and asked for more. He told the other customers about them, and soon everyone was ordering thinly-sliced, crispy, salty potato chips.Boy2: And were still eating them today. What a cool st

31、ory!Boy1: Yeah.(The keys: 1. T 2. F 3. T 4. F 5. F 6.T)Now read the tapescript and copy down all the useful expressions into your notebook. be invented by mistake, on the bag, back in 1853, one day, in the restaurant, send back, a plate of fried potatoes, be cut too thick, in a bad mood, cutreally, really thin, cooka long time, sprinkle on, hate, asked for, tell about, thinly-sliced, crispy, salty