Ren Liping

Unit 4 Topic 2

Section C

Look at the picture and talk about it.

1.What’s this?

(1)Robots can do dangerous work.

(2) Robots can do hard work.

(3)Robots can work faster than humans.---(4) Robots can do some work better than humans.

(5) Robots work without pay.

(6)Robots may take the place of humans in some situations.

2.What can robots do for humans?

Listen to the passage and mark the statements (T) for True or (F) for False.

( )2.Robots have caused many problems for humans.

( )1.We know what our future will be like.

( )3.The rapid development of robots surprises people.( )4.If robots start to think for themselves, they will want to be our masters.

F

F

T

T

Read the passage by yourself and discuss thefollowing questions in groups.

1.Are you sure that robots will be a part of life?

2.Robots are meant to be our servants, aren't they? 3.Do you think robots can think or act for themselves? 4.Why does the title need a question mark?

1.know/say for certain “ 确切知道” /“ 肯定地说”

2.be surprised at “ 对 --- 感到惊讶”

3.in a few years “in” “ 在 --- 以后” 4.once “ 一旦” 5.warn “ 警告” warn sb of(about ) sth warn sb not to do

6. no longer “ 不再” =not ---any longer

I know for certain that he’s in, but he won’t answer me.

He will come back in a few days.

Once you need help,please call me.

He often warns us of the danger here.The teachers often warn us not to swim in the river.

You are no longer a little child./You aren’t a little child any longer.

I am surprised at what he did.

Match the words with their meanings. Finish 1b.

1.servant a. tell sb that something bad or dangerous may happen so that they can prevent it2.certain b. make sth happen or appear3.warn c. a person who works in another person's house4.cause d. sure and confident,without any doubts

Read the passage and underline the followingwords and expressions, then make sentences with the words to talk about robots,you can use the samesentences as the passage if you remember.

future, certain, friendly, cause, servants, help, development, perhaps, however,warn, no longer, if, lucky, treat, war

Group work Discuss the advantages and the disadvantages of robots.

Advantages

1.Robots can do some work better than humans.

2.Robots can do dangerous work.

3.Robots can do hard work.

4.Robots can work faster than humans.

5.Robots work without pay.

6.Robots may take the place of humans in some situations.

Disadvantages

1.Robots will make humans lose their jobs.

2.Robots will make humans lazy.

3.Once robots think for themselves,they will no longer want to be ours servants, but our masters.

Homework:Written work. Design a robot and write a passage

about it. The following questions may help you.

1.What does it look like?

2.What’s its name?

3.What can it do for us?

4.Can it think for itself?

5.What are its advantages and disadvantages?

Ask and answer in pairs

A:What’s this in English? (How do you say this in English?)B:It’s---A:What’s it made of ?B:It’s made of ---A:What’s it used for ?B:It’s used for---

Look at the pictures,then ask and answer

paper/made from towel/made of(from)

toothbrush/clean teeth ink/write

1 2

3 4

A:What’s this in English?B:It’s---A:Who was it invented by?B:It was invented by---A:When was it invented?B:---

a car/Karl Benz/18851 2

a TV/John Baird/1926

3a telephone/Alexander Graham Bell/1876

2)