Page 175 - bt Tieng Anh 8 Bui Van Vinh

ANSWER KEYS
9. will you stay 10. swim 11. tell 12. don‟t change

13. wouldn‟t have bought 14. hung 15. would be
16. would have brought 17. would have been

18. wouldn‟t have printed 19. wouldn‟t buy 20. would arrive
III. 1. unable 2. environmental 3. contaminated 4. Industrial
5. Natural 6. harmful 7. contaminated 8. polluted

9. death 10. Polluted 11. pollutants 12. difficulty
IV. 1. A 2. A 3. C 4. D 5. A 6. B 7. C 8. D
V. 1. air pollution 2. factories 3. Yes, it can

4. The gases from the exhausts of cars.
5. Because the gases in the atmosphere continue to increase.
VI. 1. A 2. D 3. A 4. B 5. C

VII. 1. The major cause of water pollution in Vietnam is the weakness in industrial wastewater
management.
2. Many factories use fresh water to carry away waste from their plants into canals, rivers,
and lakes.

3. Most of them do not have a wastewater treatment system.
4. Industrial waste water is directly discharged into canals, lakes, ponds, and rivers,
causing serious pollution of surface water.
5. For example, in 2008, Vedan factory, a sodium glutamate plant, released their untreated
industrial wastewater into the Thi Vai River and caused tons of fish and ducks in the river
to die.
6. Another cause of water pollution in Vietnam is the lack of awareness among citizens.

7. Every day people generate a lot of garbage, and they throw it directly into canals, river,
and ponds.
8. They collect water from these sources to do their laundry, wash dishes, and bathe, and
then they throw the dirty water that contain detergent and shampoo directly into them.

UNIT 8: ENGLISH SPEAKING COUNTRIES

PART 2: EXERCISES

A. PHONETICS
I. 1. A 2. D 3. A 4. B 5. C
II. 1. A 2. A 3. B 4. D 5. C

B. VOCABULARY AND GRAMMAR
I. 1. themselves 2. Would 3. between 4. to sing 5. outside

6. enough 7. play 8. have to 9. well 10. perfectly
11. fast 12. careful – carefully 13. nervous 14. fluently
15. badly 16. angrily 17. happy 18. hard 19. good

20. well 21. three times 22. try

174