1.Students are more aware of protecting the environment. Teachers teach environmental issues at school.

If …………………………………………………………………………………

2.People speak English all over the world.

English ……………………………………………………………………

3.Many rivers and lakes are poisoned.Factories produce waste and pour it into rivers and lakes.

Because …………………………………………………………………………

4.They provided food then cleared up the debris.

After they………………………………………….

Environmental pollution is a term that (1)______ to all the ways by which man pollutes his surroundings. Man dirties the air with (2)______ gases and smoke, (3)_____ the water with chemicals and other substances, and damages the (4)_____ with too many fertilizers and pesticides. Man also pollutes his surroundings (5)_____ various other ways. For example, people ruin natural beauty by (6)_____ junk and litter on the land and in the water.

Environmental pollution is one of the most serious problems facing mankind today. Air, water and soil are necessary to the (7)_____ of all living things. Badly polluted air can cause illness, and (8)_____ death. Polluted water kills fish and other (9)_____ life. Pollution of soil reduces the amount of land that is available for growing food. Environmental pollution also brings ugliness to man’s (10)_____ beautiful world.

1. A. means B. refers C. provides D. reduces

2. A. thick B. natural C. exhaust D. influent

3. A. purifies B. pumps C. sprays D. poisons

4. A. soil B. forests C. streets D. beaches

5. A. on B. in C. by D. with

6. A. spoiling B. leaving C. scattering D. gathering

7. A. survival B. environment C. development D. growth

8. A. so B. ever C. too D. even

9. A. animal B. marine C. human D. plant

10. A. nature B. natural C. naturally D. natured

5. You can
the new words in the dictionary.
A. look for
B. look after
C. look up
D. look at
6. It's cold outside
your coat.
A. Put on
B. Put down
C. Put off
D. Put into
7. If you want to be healthy, you should
your bad haibits in your lifestyles

A. give up
B. call off
C. break down
D. get over
8. Never put off until tomorrow what you can do today.
C. delay
A. do
B. let
D. leave
9. My father still hasn't really recovered from the death of my mother.
A. looked after
B. taken after
C. gone off
D. got over

Exercise 2
1. Please
the light, it's getting dark here.
D. turn into
A. turn on
B. turn off
C. turn over
2. The nurse has to 

the patients at the midnight.                                      

A.look after

 B. look up

C. look at

D. look for
A. look after
3. There is an inflation. The prices
A. are going on
B. are going down
C. are going over
D. are going up
4. Remember to
your shoes when you are in a Japanese house.
A. take care
B. take on
C. take over
D. take off

16. If you want to join this club, you must
A. make up
this application form.
B. write down
C. do up
D. fill in
17. The water company will have to
off water supplies while repairs to the pipes are carried
A. take/ in
B. cut/ out
C. set/ up
D. break/ to
18. They were 30 minutes later because their car
down.
A. got
B. put
C. cut
D. broke
19. That problem is
them. We can't make
our mind yet.
A. out off/ on
B. up to/ up
C. away from/ for
D. on for/ off

20.Do you
want to stop in this town, or shall we
D. look after
A. turn on
B. turn off
C. go on