III. Give the definition of the following terms.

1. Polyester 2. pet

IV. Ask all possible questions to the sentences. Polyesters are made from chemical substances found mainly in petroleum. Polyesters are manufactured in three basic forms - fibers, films and plastics.

V. Complete the sentences.

1. The first commercial production of polyester …. 2. Polyester is used to make… 3.In order to achieve high molecular weights…. 4. Polyesters are strong, tough materials …. 5. Recycling PET by re-melting…

VI. Put the articles if necessary. 1. It is …most used fiber in …United States. 2….first commercial production of polyester was by… du Pont de Nemours

Company. 3. Polyesters are …strong, tough materials that are manufactured in …variety of

colours …shapes and sizes.

VII. Retell the text.

VIII. Check up your grammar.

1. We’ll meet you at

station.

a) They said we’d meet you at station; b)They said they would meet me at station; c)They said they would meet me at station; d)They

said they would meet you at station; e)They said we would meet me at station.

2.We can’t speak

Chinese.

a)They told the couldn’t

speak Chinese

b) They told they could

speak Chinese

c) They told they couldn’t speak Chinese

d)They told we couldn’t

speak Chinese

e)They told we couldn’t speak Chinese

3. I’m going to see

Anna later.

a)She said she was going to see Anna later.

b)She said she is going to see Anna later.

c)She said I am going to see Anna later.

d)She said she was going see Anna later.

e)She says she was going to see Anna later.

4. “I sold my car. “

a)He told he had sold his car; b)He told he has sold my car; c)He told he sold my car; d)He told he had sold my car.

e) He told he has sold

my car.

5. Take … a) A photo

b) A job c) Away

d) Rice e) A living

6. Go… a) Away

b) A favor c) Room

d) A coat e) Angry

7. Give up. a) A coin

b) A job c) A phone

d) A store e) telephone

8.a)St. Paul’s Cathedral

is completed in 1710;

b)St. Paul’s Cathedral

was completed in 1710.

c) St. Paul’s Cathedral

had completed in 1710.

d) St. Paul’s Cathedral

completed in 1710.

e) St. Paul’s Cathedral

completes in 1710.

9. a)Millions of Beatles

records were sold in the

1960s; b)Millions of

Beatles records sold in

the 1960s; c)Millions of

Beatles records was

sold in the 1960s.

d)Millions of Beatles

records are sold in the

1960s; e)Millions of

Beatles records had sold

in the 1960s.

10.a) This game can to

be played by the people

of all ages. b) This

game can be play by the

people of all ages.

c) This game can played by the people of all ages. d) This game played by the people of all ages. e) This game can be played by the people of all ages.

11. What are you

looking….?

a) Under b) In c) Have

d) Out e) For

12. I am living with her … the moment.

a) with b) at c) on d) in e) have

13. Peter is one …my brothers.

a) On b) About c) Of

d) For e) In

14. That was John … the phone. a) On b) Have c) Out d) At e) In

15. Where do you get … the bus?

a) With b) - c) In

d) By e) Have

Unit VII.