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新目标九年级英语unit9课件 课赛课件

发布时间:2013-12-03 16:26:56  

Unit9

When was it invented ?
Section A(1a—1c)

by: tan jie

Do you know?

What are the Four Great Inventions in ancient China?

paper-making 造纸术

printing 印刷术

compass 指南针

gunpowder 火 药

Key Words:

invent
v.发明

inventor
n.发明家

invention
n.发明

be invented
v.被发明

补充:

act-or

演员

visit –or 游客

collect-or-------collection 收藏 translate-or----translation翻译
Invent-or --------invention发明

语态: 主动语态:主语执行谓语动作 被动语态:主语承受谓语动作

被动语态的构成: be动词+ (及物动词的) 过去分词
1.am (is, are) + done 一般现在时

2.was (were) + done

一般过去时
情态动词

3.情态动词+be + done

1a Look at the things. When were they invented? Do you know?

calculator

1b Listen and match the inventions with the dates.

d ___ 1876 a ___ 1885 e ___ 1927 c ___ 1971

b ___ 1976

When was …invented? It was invented in ...

What is … used for? It’s used for….

1876
calculator

1885

1927

1971

1976

Pairwork (1c:P68)

A: When was the

invented?

B: I think it was invented in______. A: What is the used for?

B: It is used for ___________.

A: When was the

invented?

B: I think it was invented in______.

A: What is the _

used for?

B: It is used for ___________.(study)

A: When was the

invented?

B: I think it was invented in______.

A: What is the ____ used for? B: It is used for _____. (count)

Phrases(短语)

used to do
过去常常做某事

be used to doing

习惯于做某事

be used for doing
被用来做某事

直击考题:
was built 1.The building ________(build) in 2009. heating 2.It’s used for ________(heat) food. inventor 3.Edison was a great__________ (invent).

invention 4.What do you think is the most helpful______(invent) . drinking 5.His father is used to _________(drink) tea in the morning.

体验中考:
1.Personal computers __D 1976.It has changed the world. A. Invent B. invented in C. was invented in D. were invented in 2. — I feel very happy that I __B__ to be the host. — Congratulations! A. choose B. am chosen C. was chosen D. haven chosen 3. Today Chinese ____B____ by more and more people around the world. A. was spoken B. is spoken C. spoke D. speak 4.— Your hometown has changed a lot. — Yes. look at these tall buildings. They ___D___ last year. A. build B.built C. was built D.were built 5. — Why is the classroom so dirty? — Sorry, sir. It _____D__ yesterday. We forgot to do it. A. don’t clean B. didn’t clean C. weren’t cleaned D. wasn’t cleaned

Homework: Talk about and write them down.

1.What will you invent if you are an inventor? 2.What are the inventions used for?

Thank you ! Good-bye !


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