III. Choose the best answer to complete the following sentences.

1. Sam _________ dinner 3 times this week
A. has cooked​B. has been cooking ​C. have been cooking​D. cooked 2. . ___________ the desalination plant, the company could offer an effective solution to the problem of water scarcity.

A. To bulid​B. Having built​C. Being built​D. Having beeen built

3. Why are your hands so dirty? – I ___________ my bike. I have yet to finish it.
A. repaired ​B. have been repaired ​C. has been repaired​D. have been repairing 4. It was in 1989_________ the Berlin Wall collapsed.

A. which​B. what​C. when​D. that

5. .He graduated with doctorates of _______ and surgery from Florence, gaining the highest honors that year.

a. medicine ​b. medical ​c. medicate ​d. medication

6. . _______________ skills help us analyze a problem scientifically.

A. Academic​B. Vocational​C. Analytical​D. Practical

7. Global warming is an increase in the average _______ of the earth’s atmosphere.

A. climate​B. balance​C. temperature​D. vehicle

8. Air ________________ is threatening the health of older people and children.

A. pollution​B. acid rain​C. deforestation​D. global warming

9. Global warming also has __________ impact on water supplies.

A. stable​B. severe​C. infectious​D. easy

10. A(n) _________disease is an illness that can be passed from one person to another.

A. dangerous​B. chemical​C. man-made​D. infectious

11. Global warming leads _______ climate change.

A. in​B. to​C. on​D. from

12. You are old enough. I think it is high time you applied _______ a job

a. in ​b. of ​c. for ​d. upon

13. The ozone layer helps ________________ us from the sun's rays.

A. change​B. reduce​C. protect​D. release

14. Many countries have signed up to international agreements which aim to reduce the negative ___________ of climate change.

A. disease​B. illness​C. emission​D. impact

15. The public praised the local farmers for ___________ milions of trees on the surrounding hills.

A. plant​B. being planted​C. being planting​D. having planted

16. Jonathan ___________ in God since he was a child
A. believed​B. has believed​C. has been believing ​D. have been believing 17. The test was so long and difficult; ………….., I finished it on time.

A. therefore ​B. so ​C. but ​D. however

18. We’ll focus ______the effects _____global warming ____ people’s health and life on Earth in general.

A. on/in/on​B. on/ of/in​C. on/of/on​D. in/of/on

19. Using chemical _________ for farming is one of the causes of global warming.

A. deforestation​B. fertilisers​C. heat-related​D. water supplies

20. Global warming is an increase in the average _______ of the earth’s atmosphere.

​A. climate​B. balance​C. temperature​D. vehicle

Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

Having seen people suffer global warming consequences, we decided to reduce carbon footprints.

A. We decided to reduce carbon footprints before seeing people suffer global warming consequences.

B. We saw people suffer global warming consequences after we decided to reduce carbon footprints.

C. We decided to cut down on carbon footprints after we saw people suffer global warming consequences.

D. We decided to cut down on carbon footprints before we saw people suffer global warming consequences.

Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions.

Question. Having seen people suffer global warming consequences, we decided to reduce carbon footprints.

A. We decided to reduce carbon footprints before seeing people suffer global warming consequences.

B. We saw people suffer global warming consequences after we decided to reduce carbon footprints.

C. We decided to cut down on carbon footprints after we saw people suffer global warming consequences.

D. We decided to cut down on carbon footprints before we saw people suffer global warming consequences.

Mark the letter A, B, C, or D to indicate the underlined part that needs correction in each of the following questions.

Question. Humans now have to suffer the effects of global warming due to having treat the environment irresponsibly.

A. have to

B. effects of global warming

C. due to

D. treat the environment

Read the following passage and mark the letter A, B, t or D to indicate the correct word phrase that best fits each of the numbered blanks from 31 to 35.

GLOBAL WARMING

Few people now question the reality of global warming and its effects on the world's climate. Many scientists (31) ______ the blame for recent natural disasters on the increase in the world's temperatures and are convinced that, more than ever before, the Earth is at risk from the forces of the wind, rain and sun. (32) ______to them, global warming is making extreme weather events, such as hurricanes and droughts, even more (33) ______ and causing sea levels all around the world to rise.

Environmental groups are putting pressure on governments to take action to reduce the amount of carbon dioxide which is given (34) ______ by factories and power plants, thus attacking the problem at its source. They are in favor of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power station.

            Some scientists, (35) ______, believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait several hundred years to notice the results. Global warming, it seems, is to stay.

Question 33

A. strict

B. severe

C. strong

D. healthy

Read the following passage and mark the letter A, B, t or D to indicate the correct word phrase that best fits each of the numbered blanks from 31 to 35.

GLOBAL WARMING

Few people now question the reality of global warming and its effects on the world's climate. Many scientists (31) ______ the blame for recent natural disasters on the increase in the world's temperatures and are convinced that, more than ever before, the Earth is at risk from the forces of the wind, rain and sun. (32) ______to them, global warming is making extreme weather events, such as hurricanes and droughts, even more (33) ______ and causing sea levels all around the world to rise.

Environmental groups are putting pressure on governments to take action to reduce the amount of carbon dioxide which is given (34) ______ by factories and power plants, thus attacking the problem at its source. They are in favor of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power station.

            Some scientists, (35) ______, believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait several hundred years to notice the results. Global warming, it seems, is to stay.

Question 31

A. give

B. put

C. take

D. have

Read the following passage and mark the letter A, B, t or D to indicate the correct word phrase that best fits each of the numbered blanks from 31 to 35.

GLOBAL WARMING

Few people now question the reality of global warming and its effects on the world's climate. Many scientists (31) ______ the blame for recent natural disasters on the increase in the world's temperatures and are convinced that, more than ever before, the Earth is at risk from the forces of the wind, rain and sun. (32) ______to them, global warming is making extreme weather events, such as hurricanes and droughts, even more (33) ______ and causing sea levels all around the world to rise.

Environmental groups are putting pressure on governments to take action to reduce the amount of carbon dioxide which is given (34) ______ by factories and power plants, thus attacking the problem at its source. They are in favor of more money being spent on research into solar, wind and wave energy devices, which could then replace existing power station.

          Some scientists, (35) ______, believe that even if we stopped releasing carbon dioxide and other gases into the atmosphere tomorrow, we would have to wait several hundred years to notice the results. Global warming, it seems, is to stay.

Điền ô 32

A. concerning

B. regarding

C. depending

D. according