Bài tập môn tiếng anh lớp 9 (130)

BÀI TẬP TỰ LUẬN TIẾNG ANH LỚP 9 UNIT 6 THE
ENVIROMENT
I. Fill in the blanks with proper words, then answer the following questions.
scientists/ pollution/ serious/ factories
exhaust/ reduce/ require/ percentage
Everyone wants to reduce (1) _______. But the pollution problem is as complicated as
it is (2) _______. It is complicated because much pollution is caused by things that
benefit people. For example, (3) _______ from automobile caused large (4) _______ of
air pollution. But the automobile provides transportation to millions of people. (5)
_______ discharge much of the material that pollutes air and water, but factories give
employment to a large number of people.
Thus, to end or greatly (6) _______ pollutions immediately, people would have to stop
using many things that benefit them. Most people do not want to do that, of course. But
pollution can be gradually reduces in several ways, (7) _______ and engineers can work
to find ways t lessen the amount of pollution that such things as automobiles and factories
cause. Government can pass and enforce laws that (8) _______ businesses and
individuals to stop, or cut down on certain polluting activities.
Questions:
1) Do things that benefit people bring about pollution?
……………………………………………………………………………………………………………………………………………………

2) Is it complicated to reduce pollution? Why or Why not?
……………………………………………………………………………………………………………………………………………………

3) Who can find ways to lessen the amount of pollution?
……………………………………………………………………………………………………………………………………………………

4) What can the Government do to reduce pollution?
……………………………………………………………………………………………………………………………………………………

II. Complete each sentence of the following letter.

Dear Mr. Smith,


1. I write/ complain/ dirt/ smoke/ come/ your factory chimneys.
……………………………………………………………………………………………………………………………………………………

2. Two days ago/ I decide/ do / my washing.
……………………………………………………………………………………………………………………………………………………

3. I wash/ sheets/ put/ out/ dry/ it/ be/ nice sunny day/ there/ be/ breeze.
………………………………………………………………………………………………………………………………………………………………….
….

4. When I take washing in/ I be/ horrified/ discovered/ it/ cover/ dirty marks.
……………………………………………………………………………………………………………………………………………………

5. I/ assume/ breeze/ I/ mention/ carry/ dirt/ chimneys.
……………………………………………………………………………………………………………………………………………………

6. This be/ not only/ because/ sheets/ but because/ we/ two small children/ who be make/
breathe/ same air.
7. Until this incident/ I think/ chimneys/ be safe/ clean.
8. I already/ write/ local Member of Parliament/ this matter.
……………………………………………………………………………………………………………………………………………………

9. Furthermore/ I must warn you/ I/ write/ local newspaper/ tomorrow.
……………………………………………………………………………………………………………………………………………………

10................................................................................................ I/ look forward/ receive/
reply.

Yours sincerely
Mrs. Jennifer Hunter
III. Fill in each blank of the following passage with one suitable word.
Air pollution can (1) _______ people ill. Consequently, some countries (2) _______
laws to control the quality of smoke (3) _______ the air. Air pollution causes particular
damage to the body (4) _______ harming the lungs. Leads should not (5) _______ used
in petrol because it is bad for children’s (6) _______ and make them clumsy in using (7)
_______ hands. Poisonous gas from lead collects in those parts of cities where (8)
_______ are tall buildings. Pollution can also have (9) _______ influence on the earth’s


climate. The (10) _______ may melt near the North and South Poles, resulting in very
bad floods.
IV. Give correct formation of these words
1. The air in the city is ___________ (pollute)
2. Please listen to the lecture ____________ (care)
3. An accident happened because of driving ____________ (care)
4. He was ____________ (disappoint) that they were not coming.
5. Air and water _____________ (pollute) can make people fall ill.
6. Plastic bags will cause _____________ (pollute).
7. Mr Brown is one of the ___________ (conserve)
8. We should make our world _____________ (pollute)
9. I’m ____________ (disappoint) that you didn’t do your homework.
10. Listen me ___________ (care) you can solve the problem.
V. Choose the underlined word or phrase in each of the sentence needs correcting
1. I look forward to hear from my mother in Singapore.
2. Let’s practice listening to English programs in the radio .
3. Ancient people thought that the earth is square but actually it is round .
4. Jim said that he was playing the piano in the hall now .
5. What about play tennis in stead of going to the cinema ?

6. After finish their homework , they took a long bath and went to bed .
7. Both teenagers and adults feel like help poor people, don’t they?
8. She fed up about living in remote areas without electricity.
9. When our parents are sick , we took turn to look after them carefully.
10. The police ordered the man don’t remove his hands from the steering wheel.