1. Unit6
When was it invented ?
Section A
1a-2d

2. Do you know who these inventors are?
Do you know what these inventions are?
Do you know who these inventors are?
Karl Benz
Alexander Bell
J. L. Baird

3. Karl Benz invented the first car in 1885.
The first car was invented (by Karl Benz) in 1885.

4. Bell invented the first telephone in 1876.
The first telephone was invented (by Bell) in 1876.

5. The first television was invented (by J. L. Baird) in 1927.
J. L. Baird invented the first television in 1927.
The first television was invented (by J. L. Baird) in 1927.

6. Look at the things below. In what order do you think they were invented? Discuss them with your group. Then number them [1-4]. 1a 4 2 1 3

7. I think the telephone was invented before the computer.
I think the TV was invented before the car.
Well, I agree with you.
Well, I think the TV was invented after the car.

8. Listen and match the inventions with the years. 1b
___
___
___
___ d a c b

9. 1c When was the telephone invented? I think it was invented in 1876.
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. 1c
I think it was invented in 1876.
When was the telephone invented?

10. When was the TV invented?
When was the car invented?
It was invented in 1885.
It was invented in 1927.
When was the TV invented?

11. Presentation scoop n. 勺; 铲子 heel n. 鞋跟; 足跟 electricity n. 电; 电能
style n. 样式; 款式

12. 2a Listen and number the inventions [1-3] in the order you hear them.
___ shoes with special heels
___ shoes with lights
___ hot ice-cream scoop, runs on electricity 3 1 2

13. 2b Listen again and complete the chart below. 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
changing
in the dark
serving

14. 2c Make conversations using the information in 2b.
They’re used for seeing in the dark.
What are the shoes with lights used for?

15. What are hot ice-cream scoop used for?
They’re used for serving for really cold ice-cream.
They’re used for changing the style of the shoes.
What are shoes with special heels used for?

16. 2d Role-play the conversation.
Read the dialogue 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.

17. Role-play the conversation.
Hey Roy, the subject for my school project is “Small inventions that changed the world.” Can you help me think of an invention?
n. 项目; 工程
n. 拉链
n. 高兴; 愉快
My pleasure! Let me think… hmm… I know! The zipper!

18. The zipper? Is it really such a great invention?
adj. 每日的；日常的
Think about how often it’s used in our daily lives. You can see zippers on dresses, trousers, shoes, bags… almost everywhere!

19. Well, you do seem to have a point…
Of course! I thought about it because I saw a website last week. The pioneers of different inventions were listed there.
v. 列表; 列清单 n. 名单; 清单

20. v. 提到; 说到
For example, it mentioned that the zipper was invented by Whitcomb Judson in But at that time, it wasn’t used widely.

21. Really? So when did it become popular?
Around 1917.

22. 单项选择 D C D Sweaters are used for ___ warm. A. to give B. to keep
C. giving D. keeping
2. ___ do you think the computer was invented by?
A. When B. What
C. Who D. Why
3. She’d like to have a mobile phone ___ she could communicate with her friends.
A. though B. until
C. unless D. because C D

23. D C 4. Does the boy enjoy __ music with his MP4 all day?
A. to hear B. hearing to
C. to listen D. listening to
5. What is a telephone used ___ ?
A. at B. in
C. for D. about C

24. Homework
Recite the new words and 2d.
Preview 3a-3b.
Finish the workbook of Section A 1a-2d.