Do you agree with the following proverbs? Discuss them with your classmates.

LISTENING

9. Listen to the text and decide whether the following sentences are true (T) or false (F):

1. It takes a lot of energy to produce aluminium, compared with steel.

2. Recycling aluminium takes more energy.

3. Car bodywork has to be coated with zinc.

4. Aluminium can be derived from ore.

5. Aluminium takes less energy to transport.

6. Aluminium takes much energy to cut.

7. Life span of things made of aluminium lasts longer.

 

10. Listen to the text again and answer the questions:

1. What metals are discussed?

2. How is aluminium produced?

3. Can it be recovered from recycled material?

4. Should steel car bodywork be galvanised?

5. Why does aluminium take less energy to transport?

6. How can life span of things be important for environment?

SPEAKING

11. Do you agree with the following proverbs? Discuss them with your classmates.

-All that glitters is not gold.

-Strike while the iron is hot.

12. Work in small groups. Choose one of the metals mentioned in the text. Think of seven interesting ways it could be used nowadays. Compare your ideas with other groups.

WRITING

13. What do you think will happen when the world runs out of metals? Write a short paragraph (60 - 80 words) to answer this question.Use the phrases in the box:

First of all let’s try to analyse …                    In my opinion, …

Another negative aspect of …                        It’s also true that …

I can (can’t) agree that …                        To sum up, …

GRAMMAR IN USE

These tasks can help you to practise The Present Simple Passive (See Appendix 1 p. 228 – 230) and do the following exercises.

 

 

14. Complete the sentences, as in the example.

e.g. 0. It is thought that the college has good teachers.

The college is thought to have good teachers.

1. It is known that people use metals.

People ………………………………………...

2. It is reported that our students work hard.

Our students ……………………………….....

3, It is said that she speaks seven languages.

She …………………………………………….

4. It is said that he is a talented scientist.

He ……………………………………………..

5. It is said that our university team trains for eight hours every day.

Our university team ……………………………

6. It is reported that the world leaders discuss different problems.

The world leaders ………………………………

7. It is thought that she drives a car.

She is thought ………………………………….