(共37张PPT)
Section A (1a-2d)
Unit 6
When was it invented
Unit 6
When was it invented
学习目标
Key words:
heel, scoop, electricity, style, project, pleasure, zipper,
daily, website, pioneer, list, mention,
Key sentences:
1.—When was the telephone invented
— I think it was invented in 1876.
2.—What are they used for
—They are used for…
Passive voice (past tense)
What are the Four Great Inventions
in ancient China
Do you know
Lead in
Chinese four great ancient inventions
compass
gun powder
printing
Paper making
Modern inventions
calculator
Talk about the inventions(发明).
Which one do you think is the most helpful in our daily life
computer
car
calculator
laptop
telephone
cell phone
radio
A: I think the TV was invented
before the car.
B: Well, I think the TV was
invented after the car.
Talk about with your partner.
A: I think the calculator was invented
before the computer.
B: Well, I think the calculator was
invented after the computer.
Talk about with your partner.
Presentation
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)
1
2
3
4
1a
Presentation
Listen and match the inventions with the years.
a
b
c
d
When was the
...invented
1876
1885
1927
1971
a
c
b
d
1b
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.
Practicing
1c
When was the telephone invented
I think it was invented in 1876.
When was the car invented
It was invented in 1885.
When was the TV invented
It was invented in 1927.
When was the computer invented
It was invented in 1971.
Listen and number the inventions[1-3] in the order you hear them.
3
1
2
___ shoes with
special heels
___ shoes
with lights
___ hot ice-cream
scoop runs on
electricity
2a
Invention What is it / are they used for
shoes with special heels ________ the style of the shoes
shoes with lights
seeing ___________
hot ice-cream scoop ________ really cold ice-cream
Listen again and complete the chart.
2b
changing
serving
in the dark
Make conversations using the information in 2b.
What are the shoes with lights used for
2c
They’re used for seeing in the dark.
What are hot ice-cream scoop used for
They’re used for serving for really cold ice-cream.
What are shoes with special heels used for
They’re used for changing the style of the shoes.
Role-play the conversation.
Read the passage quickly and answer the questions.
What is the subject for their school project
2. What kind of invention does Roy think of
3. Why does Roy think it is a great invention
4. Who and when was the zipper invented
5. When did the zipper become popular
Small inventions that changed the world.
The zipper.
Because it is often used in our daily lives.
Whitcomb Judson in 1893.
Around 1917.
2d
1. Well, you do seem to have a point…
have a point 有道理
e.g. I admit (that) you have a point. 我承认你有理。
2. 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
3. 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”
e.g. You think of everything!
你全都提到了。
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”。
e.g. Please think over what I said.
请仔细考虑我说的话。
I want to think it over.
我想仔细考虑一下这件事。
think sth. out 指“想通, 想出, 熟思”。
e.g. He thought out a new idea.
他想出了一个新主意。
That wants thinking out.
那件事需要仔细考虑。
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
Exercise
3. In those day, the woman couldn't _______(afford) a TV because they were really expensive.
4. A friend of (I) came to see me last week.
5. I think you need (take) a history class.
afford
mine
to take
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
Talked about the invented time, inventors and the usage of some inventions.
Used the Passive Voice (past tense) to talk about the history of some inventions.
Summary
Homework
Preview the passage in 3a.
Look up some information about some famous inventions.
Homework
Thanks!
