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新目标9年级课件 unit9 Section A

发布时间:2013-11-19 10:50:57  

Unit 9

When was it invented ?

Section A

Language Goals:
Talk about the history of inventions.

Grammar Focus:
The passive voice.

1a

calculator

Light bulb

Microwave oven

1b
a

Listen and match the inventions with the dates.

b

e d

1876 1885

c

1927
1971 1976

1c

A: When was the telephone invented?

B: I think it was invented in 1876. computer: 1976. calculater: 1971 TV: car: 1927. 1885.

battery-operated

slippers

heated ice cream

scoop

shoes

with adjustable heels

2a

Listen and number the inventions in the order that you hear.

3

1

2

Who was it / were they invented by? shoes with adjustable heels
battery-operated

Jayce Coziar and Jamie Ellsworth Julie Thompson Chelsea Lanmon

slippers
heated ice cream scoop

2C
A: What is it / are they used for ? B: It is / They are used for…..

Seeing in the dark

Scooping really cold ice cream

Changing the style of the shoes

3b
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.

The passive voice.

被动语态

英语中动词有主动语态和被动语态两种语态. 主动语 态表示主语是动作的执行者,被动语态表示主语是动作的 承受者, 在被动语态中,动作的执行者有时用by短语表示 出来.

被动语态的构成:be+(及物动词)过去分词

{ was (were) + done

am (is, are) + done

一般现在时 一般过去时

含情态动词的被动语态
结构:情态动词+be+done:
We should be allowed to study in groups. We Shouldn’t be allowed study in groups. _______________________to (变否定句) ________we ______________to study in groups? Should be allowed (变一般疑问句)

主动变被动(1~4)
1.We must listen to the teacher carefully. The teacher must ___ _________ ____carefully by us. ___ be listened to
2.My parents allow me to read magazines. I am allowed to __ ______ ____ read magazines. 3.He spent 20 yuan on the book. 20 yuan was spent on__ the book. ___ ____ 4.The boss made the workers work 12 hours a day. The workers were made ___ work __ _ to __ 12 hours a day. 5.The book was written by Luxun.(画线提问) _____? who was the book written __by_?

1必做:write the phrases and the sentences. 2选做:Recite 3b. 3拓展:Talk and write down:

P70, part 4.


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