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Every day on radio, on TV, and in the newspaper, we hear, see or read about many problems in the world, Because of this, we must think about these problems. We must also try to find a solution for them. Our lives depend on this. For example, there are pollution problems.

Air pollution is the first kind. It mostly comes from fumes released from motorbikes, cars, airplanes, trains and poisonous gases emitted from factories. Also, waste is dumped anywhere, even in the city where many people are living. The factory owners must know that people don’t want to live in pollution that is dangerous for their health, nobody in this world want to breathe dirty air. This problem is growing more difficult every day. We must find a good solution that makes the world a better place to live.

2. What causes the air pollution?

A. fumes from vehicles.                                               B. poisonous gases from factories.

C. waste from everywhere                                           D. All are correct

3. What does the word “them” in the passage refer to?

A. newspapers                   B. factories                        C. problems                       D. people

4. The word “dirty” in line 7 is can be best replaced by ________.

A. polluted                        B. pure                               C. clean                             D. harmless

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Đỗ Thanh Hải
22 tháng 10 2021 lúc 21:08

2 D

3 C

4 A

1 will be held before May Day

2 asked Thu why she hadn't taken part in English club the day before

3 you aren't hard-working, you will be sacked in this company

4 I pronounced English sounds correctly

5 more quickly than Japanese ones

6 Tom was a poor student, he studied very well


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