when was it invented? the first period unit 9. warming up can you tell when they were invented?
DESCRIPTION
1885 年TRANSCRIPT
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When was it invented? The first period
Unit 9
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Warming up
Can you tell when
they were invented?
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1885年
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1876年
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1927年
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1976年
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1927年
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1a GROUPWORK Look at the things below. Number them [1—5]
according to the order they were invented.
3 5
2
4
1
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Model
A: I think the telephone was invented before the car.
B: Well, I think the telephone was invented after the car.
1a GROUPWORK
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a
1b Listen and match the inventions with the dates.
___ 1876
___ 1885
___ 1927
___ 1971
___ 1976
b
a
c
d
eb
e
c
d
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TAPESCRIPTSGirl: Life must have been difficult when you were a
kid.Woman: Oh, not really. Why do you say that?Girl: Well, you didn't have many modern
inventions. Like, you probably didn't 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 weren't invented yet.
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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 didn’t. The TV was invented around 1927, I think. Some friends of mine had one. But in those days, TVs were really expensive, and we couldn't afford one.
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Girl: And I bet you didn't have calculators and computers and stuff. That's something I do know. We learned in school that hand-held calculators were invented in 1971 and personal computers were invented in 1976.
Woman: You're right. I didn't have those things when I was young. But I do now!
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1c PAIRWORKStudent A, cover the dates and ask student B when were the things in the picture above were invented.
Model
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 1930. I think it was
invented after the telephone.
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3 1 2
2aListen and number the inventions in the order that you hear them.
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2b Listen again and match the items in columns A, B, and C.
inventionWho was it/were they invented by?
What is it/are they used for?
shoes with adjustable heels Chelsea Lanmon scooping really
cold ice creambattery-operated sneakers
Jayce Coziar and Jamie Ellsworth seeing in the dark
heated ice cream scoop Julie Thompson Changing the
style of the shoes
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Tapescripts• Boy: What are those?
Girl: They’re battery-operated slippers.Boy: What are they used for?Girl: They’re used for seeing in the dark.Boy: Oh, that’s cool! Who were they invented by?Girl: Julie Thompson. And look at this heated ice cream scoop.
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• Boy: I know what it’s for! It’s 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 know—you 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.
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2c PAIRWORKRole play the conversations using the information in the chart 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。
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A: What is this?B: This is a heated ice cream scoop.A: What is it used for?B: It is used for scooping really cold ic
e cream.A: Who was it invented by?B: It was invented by Chelsea Lanmon.
Oral Practice
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Grammar Focus
The passive voice 被动语态
语法构成:主语 + be 动词 + done ( 动词的过去分词 )
主语是谓语动作的承受者。表达意义:
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一般现在时 am / is / are + done
一般过去时 was / were + done
e.g.
e.g.
Chinese is spoken in by the most people in the world. 世界上讲汉语的人最多。
纸是中国发明的。 Paper was invented in China.
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一般将来时 shall / will + be + done
过去将来时 would / should + be + done
e.g.
e.g.
我的作业将在半小时后被完成。 My homework will be finished in half an hour.
他们结束训练时将被派往部队。 They would be sent to the army when they finished the training.
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现在进行时 am / is / are + being + done
过去进行时 was / were + being + done
e.g.
e.g.
这个计划正在执行中。The project is being carried out.
The case was being investigated then.
那时这案子正在调查中。
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现在完成时 have / has + been + done
过去完成时 had + been + done
e.g.
e.g.
This novel has been translated into several languages.
这本小说已被译成了几种语言。
They said that production costs had been reduced.他们说生产成本已经下降了。
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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 story by Mother every day.
I. 请把下列主动句变为被动句 :
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HOMEWORK Find out an invention that you think is
the most important. Write a short passage
about it including the date, the people who
invented it and what it is used for.