Unit 6 When was it invented? Section A (1a-2d) 课件

(共34张PPT)
Section A( 1a—2d)
Unit 6
When was it invented ?
人教版 九年级
Amazing Chinese inventions
paper-making
造纸术
printing
印刷术
compass
指南针
gunpowder
火药
Amazing inventions
As far as we know, inventions can change our world!
They all make the world smaller and smaller.
Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1–4] (1 = first, 4 = last).
1a
A: I think the TV was invented before the car.

B: Well, I think the TV was invented after the car.
4
2
1
3
1b
Listen and match the inventions with the years.
____ 1876
____ 1885
____ 1927
____ 1971
d
a
c
b


两个数字一组，分为前后两组
1
1865 eighteen sixty five
1989


3
前两个数字不为零，后两个数字为零。
eighteen hundred
1900


4
非四位数的年份的读法！
531 five hundred and
thirty-one
two thousand
2001
two thousand and one
nineteen eighty nine
nineteen hundred


2
千年的读法
年份的读法
1c
Student B, cover the dates. Student A, ask Student B when the things in the picture in 1b were invented. Then change roles and practice again.
A: When was the ________ invented?
B: I think it was invented in ______.
1885
car

computer
1971
TV
1927
telephone
1876
Karl Benz
in 1885
A: Who was the car invented by ?
B: It was invented by Karl Benz .
A: When was it invented?
B: It was invented in 1885.
Karl Benz
in 1885
Presentation
The car was invented by Karl Benz in 1885.
Bell
in 1876
The telephone was invented by Bell in 1876.
J. L. Baird
around 1927
The TV was invented by J.L Baird around 1927.
The computer was invented by Eckert in 1971.
Eckert
in 1971
___ shoes with
special heels
____ shoes
with lights
____ hot ice-cream
scoop, runs on
electricity
3
1
2
Listen and number the inventions[1-3] in the order you hear them.
2a
Listen again and complete the chart below.
2b
Invention
What is it / are they used for?
shoes with special heels
shoes with lights
hot ice-cream scoop
__________ the style of the shoes
seeing ____________
__________ really cold ice-cream
serving
changing
in the dark
Make conversations using the information in 2b.
2c
What are shoes with special heels used for?
changing
the style of the shoes.
They’re used for

Make conversations using the information in 2b.
2c
What are shoes with lights used for?
seeing in the dark.
They’re used for

Make conversations using the information in 2b.
2c
What are hot ice-cream scoops used for?
serving really cold ice-cream.
They’re used for

1. What are these?
They are zippers.
2. What are they made of ?
They are made of plastic or metal.
3. What are they used for ?
They are used for locking clothes, bags and so on.
Lead-in
1. What is the subject for Paul’s school project?

2. What kind of invention does Roy think of?

3. Why does Roy think it is a great invention?

4. Who was the zipper invented by?

5. When did the zipper become popular?

2d
Read the passage and answer the questions.
Paul: Hey Roy, the subject for my school project is
“Small inventions that changed the world”. Can
you help me think of an invention?
Roy: With pleasure! Let me think ... hmm ... I know!
The zipper!
Paul: The zipper? Is it really such a great invention?
Roy: Think about how often it’s used in our daily lives.
You can see zippers on dresses, trousers, shoes,
bags ... almost everywhere!
Role-play the conversation.
2d

Paul: Well, you do seem to have a point ...
Roy : Of course! I thought about it because I saw a
website last week. The pioneers of different
inventions were listed there. For example, it
mentioned that the zipper was invented by
Whitcomb Judson in 1893. But at that time,
it wasn’t used widely.
Paul: Really? So when did it become popular?
Roy : Around 1917.

1. What is the subject for Paul’s school project?
Small inventions that changed the world.
2. What kind of invention does Roy think of?
The zipper.
3. Why does Roy think it is a great invention?
Because it is often used in our daily lives.
4. Who was the zipper invented by?
Whitcomb Judson.
5. When did the zipper become popular?
Around 1917.
2d
Language Points
1. pleasure名词，意为“高兴；愉快”。
e.g. He takes no pleasure in his work. 他从工作中得不到丝毫的乐趣。
【辨析】pleasure，pleased与pleasant
pleasure 名词，“高兴；愉快”。常用短语With pleasure./ My pleasure./ It’s a pleasure.
pleased 形容词，“高兴的”，短语be pleased to do sth. “乐于做某事”；be pleased with “对……满意”。
pleasant 形容词，“令人愉快的”，可作定语、表语，修饰物。
2. daily
（1）形容词，意为“每日的；日常的”。
e.g. Don’t you read the daily news in today’s newspaper?
你（们）没有读今天报纸上的每日新闻吗？
（2）副词，意为“每日；每天”。
e.g. The milkman comes daily to our house.
送奶人每天都到我们家来送奶。
3. have a point 有道理
e.g. You have a point—it would be better to wait till tomorrow.
你说的有道理，还是等到明天比较好。
4. mention 动词，意为“提到；说到”，其后可接that引导的宾语从句。
e.g. He mentioned that the food was invented by a Chinese.
他提到这种食物是由一个中国人发明的。
【拓展】mention 的其他搭配
（1）mention sb. /sth. (to sb.) 向某人提起某人/某事
（2）mention doing sth. 提到做某事
【注意】Don’t mention it. 主要用来回答感谢，意为“不客气”；
有时也用来回答道歉，意为“没关系”。
5. They are used for seeing in the dark.
be used for doing sth.表示“被用来做某
事”。与be used to do sth. 同义。表示用途、
目的。
e.g. This computer is used to control all the
machines. 这台电脑是用来控制所有机
器的。
Do you know what this tool is used for?
你知道这个工具是用来做什么的吗?
6. Think about how often it’s used in our
daily lives.
think about 表示“考虑，想起”。
e.g. He is thinking about travelling in the
summer holidays.
他正在考虑暑假旅游的事。
She was thinking about her childhood
days. 她正在回想她的童年时期。
【拓展】有关think的短语
think of 指“考虑, 记忆, 记起” I can’t think of his name at the moment. 我一时想不起他的名字。
think sth. over 指“仔细想, 审慎思考, 作进一步考虑” Please think over what I said. 请仔细考虑我说的话。
think sth. out 指“想通, 想出, 熟思” He thought out a new idea. 他想出了一个新主意。
I.用所给单词的正确形式填空。
When the telephone (invent) ?
The computer can us do math problems (help).
invented
was
help

Exercises
II.单项选择。
( ) 1. The kind of cup is used _______ drinking.
A. to B. as C. by D. for
( ) 2. My mother and my sister kept on talking, but my father ________ silent all the time.
A. got B. kept
C. turned D. looked
D
B
( )3.I think the short story ______by Lu Xun.
A. is writing B. is written
C. written D. was written
( )4.—Who _____ the electric light
lamp_____? —Edison.
A. was; invented B. is; invented
C. was; invented by D. did; invented by

D
C
Summary
Used the Passive Voice to talk about the history of some inventions.
谢谢
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