I.

1.C

2.D

3.A

4.B

5.D

6.C

7.C

8.A

9.A

10.B

II.

1.D

2.B

3.A

4.C

5.C

III.

1. If this factory continues dumping poison into the lake, all the fish and other aquatic animals will die.

2. I think there is air pollution around here because all trees and plants turn yellow and dry.

3. When thermal pollution happens, the water temperture in rivers, lakes and oceans changes.

4. Soil pollution happens when people destroy the”Earth's surface"

5. Poison is a substance that can make people or animals ill or kill them if they eat or drink it.

6. They are all surprised to see that all the fish they grow on their farm are dead.

7. You can see stars at night in the countryside because there isn’t any

light pollution there.

8. Many households around the West Lake dump waste into it so the water is polluted.

9. The vegetable price is increasing because the acid rain has caused damage to almost all vegetables in this area.

10. The poisonous chemical waste in this factory is dumped into the river so its water now becomes almost black.

IV.

1.B

2.D

3.A

4.B

5.A

6.A

7.D

8.B

9.B

10.C

Chúc bạn học tốt !

1.C

2.D

3.A

4.B

5.D

6.C

7.C

8.A

9.A

10.B

II.

1.D

2.B

3.A

4.C

5.C

III.

1.dumping poison

2.air pollution 

3.  water temperture

4.Earth's surface

5. substance 

6.surprised

7. light pollution 

 8.waste

9. acid 

10. poisonous

V.

1.B

2.D

3.A

4.B

5.A

6.A

7.D

8.B

9.B

10.C