Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks.

Air  pollution  occurs  when  wastes  dirty  the  air.  People  produce  most  of  the  (44)  ______  that  cause  air pollution.  Such  wastes  can  be  in  the  form  of  gases  or  particles  of  solid  or  liquid  matter.  These  substances result chiefly from burning (45) _______ to power motor vehicles and to heat buildings. Industrial processes and the (46) _______ of garbage also contribute to air pollution. Natural pollutants (impurities) include dust, pollen, soil particles, and naturally occurring gases.

     The  rapid  growth  of  population  and  industry  and  the  increasing  use  of  automobiles  and  airplanes  have made air pollution a (47) _______ problem. The air we breathe has become so filled with pollutants that it can cause (48) _______ problems. Polluted air also harms plants, animals, building materials, and fabrics. In addition, it causes damage by altering the earth’s atmosphere.

Điền ô số 45

A. garbage

B. coal

C. plastics

D. fuel

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks.

Air  pollution  occurs  when  wastes  dirty  the  air.  People  produce  most  of  the  (44)  ______  that  cause  air pollution.  Such  wastes  can  be  in  the  form  of  gases  or  particles  of  solid  or  liquid  matter.  These  substances result chiefly from burning (45) _______ to power motor vehicles and to heat buildings. Industrial processes and the (46) _______ of garbage also contribute to air pollution. Natural pollutants (impurities) include dust, pollen, soil particles, and naturally occurring gases.

     The  rapid  growth  of  population  and  industry  and  the  increasing  use  of  automobiles  and  airplanes  have made air pollution a (47) _______ problem. The air we breathe has become so filled with pollutants that it can cause (48) _______ problems. Polluted air also harms plants, animals, building materials, and fabrics. In addition, it causes damage by altering the earth’s atmosphere.

Điền ô số 48

A. pollution

B. health

C. preserving

D. dirty

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks.

Air  pollution  occurs  when  wastes  dirty  the  air.  People  produce  most  of  the  (44)  ______  that  cause  air pollution.  Such  wastes  can  be  in  the  form  of  gases  or  particles  of  solid  or  liquid  matter.  These  substances result chiefly from burning (45) _______ to power motor vehicles and to heat buildings. Industrial processes and the (46) _______ of garbage also contribute to air pollution. Natural pollutants (impurities) include dust, pollen, soil particles, and naturally occurring gases.

     The  rapid  growth  of  population  and  industry  and  the  increasing  use  of  automobiles  and  airplanes  have made air pollution a (47) _______ problem. The air we breathe has become so filled with pollutants that it can cause (48) _______ problems. Polluted air also harms plants, animals, building materials, and fabrics. In addition, it causes damage by altering the earth’s atmosphere.

Điền ô số 46

A. planting

B. burning

C. using

D. making

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks.

Air  pollution  occurs  when  wastes  dirty  the  air.  People  produce  most  of  the  (44)  ______  that  cause  air pollution.  Such  wastes  can  be  in  the  form  of  gases  or  particles  of  solid  or  liquid  matter.  These  substances result chiefly from burning (45) _______ to power motor vehicles and to heat buildings. Industrial processes and the (46) _______ of garbage also contribute to air pollution. Natural pollutants (impurities) include dust, pollen, soil particles, and naturally occurring gases.

     The  rapid  growth  of  population  and  industry  and  the  increasing  use  of  automobiles  and  airplanes  have made air pollution a (47) _______ problem. The air we breathe has become so filled with pollutants that it can cause (48) _______ problems. Polluted air also harms plants, animals, building materials, and fabrics. In addition, it causes damage by altering the earth’s atmosphere.

Điền ô số 44

A. nature

B. wastes

C. papers

D. products

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct word for each of the blanks.

Air  pollution  occurs  when  wastes  dirty  the  air.  People  produce  most  of  the  (44)  ______  that  cause  air pollution.  Such  wastes  can  be  in  the  form  of  gases  or  particles  of  solid  or  liquid  matter.  These  substances result chiefly from burning (45) _______ to power motor vehicles and to heat buildings. Industrial processes and the (46) _______ of garbage also contribute to air pollution. Natural pollutants (impurities) include dust, pollen, soil particles, and naturally occurring gases.

     The  rapid  growth  of  population  and  industry  and  the  increasing  use  of  automobiles  and  airplanes  have made air pollution a (47) _______ problem. The air we breathe has become so filled with pollutants that it can cause (48) _______ problems. Polluted air also harms plants, animals, building materials, and fabrics. In addition, it causes damage by altering the earth’s atmosphere.

Điền ô số 47

A. good

B. poison

C. wonderful

D. serious

Choose the word or phrase that best completes each sentence below.

6. I think the waste from the factory has __________ the lake.

    A. damaged                B. pollution                   C. polluted           D. damage

7. If the factory continues dumping poisons into the lake, all the fish and other _________ animals will die.

    A. aquatics                 B. aquatic             C. aquatical          D. aquatically

8. He is _________ a lot because it is cold.

    A. sneezes                  B. sneeze              C. sneezed            D. sneezing

9. Don’t drink that water! It’s __________.

A. contaminated   B. contamination C. contaminant     D. contaminating

10. A huge amount of _________ chemical waste is dumped into the lake.

    A. poison                            B. poisoning         C. poisonous        D. poisons

11. The crop was severely ________ by the acid rain.

    A. damaged                B. poisoned                   C. polluted           D. contaminated

12. Many people _________ litter on the streets.

    A. pay                        B. give                  C. catch                D. throw

13. When _________ pollution happens, the water temperature in streams, rivers and lakes, or oceans changes.

    A. water                     B. thermal            C. temperature     D. heat

14. The sight of too many telephones poles, advertising billboards, overhead power lines, or shop signs may cause _______.

    A. light pollution       B. air pollution     C. visual pollution D. sight pollution

15. Many children around the world are suffering from birth defects because their parents are _________ to radiation.

    A. worked                  B. exposed           C. expressed         D. supposed

Choose the word or phrase that is CLOSEST in meaning to the underlined part in each of the following sentences.

16. The supply is being tested for contamination.

A. population                B. pollution                   C. combining        D. containing

17. The fumes from vehicles is a contributing factor to make people cough.

    A. noise                     B. fuel                  C. exhaust            D. water

18. Several new botanical species have been killed in the last year because of water and soil pollution.

    A. mammals              B. plants              C. insects              D. flowers

Choose the word or phrase that is OPPOSITE in meaning to the underlined part in each of the following sentences.

19. Two years ago, the reduction in water and noise pollution in this city was dramatic.

    A. impressive             B. normal             C. marked            D. traditional

20. Because warmer water has less oxygen in it, it can harm fish populations and cause harmful algal blooms.

    A. support                 B. reduce              C. contaminate     D. illustrate

Dịch đoạn văn

Read the following passage and answer the questions.

Every day on radio, on TV, and in the newspaper, we hear, see or read about many problems in the world, for example, pollution problems.

Air pollution is the first kind. It mostly comes from fumes released from motorbikes, cars, airplanes, trains and posonous gases emitted from factories. Also, waste is dumped anywhere, even in the city where many people are living. The second pollution problem is sea pollution. Many people earn their living from fishing in the sea, and the fish they catch feed many people. But the sea has become so polluted from oil spills and factory wastes that the fish are dying. This pollution is not only killing the fish, but is also affecting those people who eat fish.

Seldom do you find a place nowadays that is not polluted. This problem is growing more difficult every day. We must find a good solution that makes the world a better place to live.

1. How often can we hear, see and read about problems in the world?

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2. What causes the air pollution?

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3. Why has the sea become polluted?

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4. Can we easily find a clean place nowadays?

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5. What should we do to make the world a better place to live?

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