1. Merry Christmas & HappyNew Year !

2. Unit 4 Our World Topic 2 I’m not sure if there are UFOs. Section A

3. What’s this? It’s a _____.
robot

4. What did he do? He was a ________.
scientist

5. Look and say A: What can robots do for us? B: They can …
save people in danger
repair machines
lift parts of trucks
A: What can robots do for us?
B: They can …
carry heavy things
mend roads
catch fishes

6. Robots can take the place of humans to do hard or boring work in some situations.
Are you sure?

7. Where did Kangkang go last weekend?
Look, listen and say
Where did Kangkang go last weekend?
When did scientists invent the first robot? (when did the first robot appear?)
What can robots do for us?

8. Where did Kangkang go last weekend?
He went to the Science Center last week.
When did scientists invent the first robot? (when did the first robot appear?)
Scientists invented the first
robot in 1921.

9. It tastes something like melon.
Key points
But before that, something like a
robot appeared.
类似某物的东西
e.g.
这吃起来有点象甜瓜。
It tastes something like melon.

10. Key points
“take the place of” VS “instead of”
Robots can take the place of humans to do hard or boring work in some situations. =
They can also do lots of dangerous work instead of humans.
Robots can do hard or boring work in some situations instead of humans.
They can also take the place of humans to do lots of dangerous work.

11. Key points
I’m sure robots can do some work faster and better than humans.
Are you sure?
Yes, I’m sure. / Yes, quite sure.
No, I’m not sure.

12. The advantages of robots:
Read 1a again and write down the advantages of robots.
The advantages of robots: 1. 2. 3.
Robots can take the place of humans to do hard or boring work in some situations.
Robots can also do lots of dangerous work instead of humans.
Robots can do some work faster and better than humans.

13. 2
Work alone
(录音1)
lift parts of trucks 6 1 4 3 2 5

14. Group work
Discuss the advantages and disadvantages of robots. Then complete the table.
You can add your own opinions.
1. Robots will make humans lose their jobs.
2. Robots can do some work faster and
better than humans.
3. Robots can do many kinds of jobs.
4. Robots can do more difficult work than
humans.
5. Robots will make humans lazy.
6. Robots can do dangerous work.
7. Robots can work without pay.

15. Advantage
Disadvantage
2. Robots can do some work faster and better than humans.
3. Robots can do many kinds of jobs.
4. Robots can do more difficult work than humans.
6. Robots can do dangerous work.
7. Robots can work without pay.
Robots will make humans
lose their jobs.
5. Robots will make humans
lazy.

16. B: Yes, I’m sure. / No, I’m not sure. A: Is it good or bad for us?
Group work
Make a similar conversation after the example, using the information above. Example:
A: Are you sure…?
B: Yes, I’m sure. / No, I’m not sure.
A: Is it good or bad for us?
B: …
A: Do you think you will have a robot in 20 years?
A: What will it do if you have one?
B: It will …
“in + 一段时间”表示“……之后”，用于一般将来时。

17. Discuss in groups. Task Imagine the robots in the future.
Discuss what kind of functions and shapes we need the robots to have except those we already have nowadays.

18. Do some exercises. Translate the sentences: 1.机器人能为我们做什么? 2.你确定吗?
Make sentences with the following phrases:
be sure of/about; be sure that; be sure to do sth.
What can robots do for us?
Are you sure?
1. There must be UFOs. We are sure of/about that.
2. We are sure that we can win the game next time.
3. We are sure to win the game next time.

19. Summary “take the place of” VS “instead of”
Robots can take the place of humans to
do hard or boring work in some situations.
I’m sure robots can do some work faster and better than humans.
Are you sure?
Yes, I’m sure. / Yes, quite sure.
No, I’m not sure.

20. Homework
Write a passage about the robots in the future according to the discussion in class.

21. Thanks for listening! Goodbye!