Question 17. Househoids dump waste into the river, …………………. It is polluted.

A. so                    B. but                    C. because                   D. due to

Question 18. If the factory ……………… dumping poison, all the aquatic animals will die.

A. continue               B. continues              C. continued                   D. will continue

Question 19. …………………… pollution in the lake has made the fish die.

A. Noise               B. Water              C. Light              D. Air

Question 20. Air ………………….., together with littering, is causing many problems in our cities today

A. pollute                 B. polluted                C. polluting              D. pollution

Ex4. Write conditional sentences type I or II for these situation.

1. People eat dirty food. They can be cancer.

2. A factory directly discharges a large volume of waste water into the Thi Vai River. The river is polluted.

3. Farmers use polluted water to water their plants. People eat these plants, they become sick with diseases such as diarrhea, bacterial in flections even cancer

4. Thermal pollution takes place. The water temperature in streams, rivers, lakes and oceans will increase or decrease suddenly

5.People live in radioactive pollution area. They can be skin cancer

VII - Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

Pollution can be seen not only throughout the world, but also in our own homes. It comes from household chemicals, the amount of water people use and the waste people produce and throw away. What can be done to stop this pollution? Surprisingly, a person can help save the environment by doing simple things.

First, we need to recycle, which allows products to be used over and over again. Recycling can also reduce the number of trees cut down to produce paper products. It takes very little effort. It is not hard to place plastic and glass bottles, aluminum cans and paper in a bin. Anyone can do it.

Second, we need to watch the amount of water used at home. It can be conserved by taking short showers instead of baths, repairing leaky faucets, using the dishwasher or washing machine only when fully loaded, or simply turning the faucet off while brushing your teeth.

Third, we need to reduce waste. We need to recycle whenever possible, but shouldalso try to use this waste effectively. For example, grass clippings and food scraps can be made into compost for plants. The average person produces 4.3 pounds of waste every day, but we can reduce that amount by recycling and reusing.

If we do our part in our own homes, we can help keep the planet from becoming more polluted.

44, The average person produces every day _______.

A. three point four pounds of waste B. thirty four pounds of waste

C. four point three pounds of waste D. forty three pounds of waste

45, If we do our part in our own homes, we can help keep ______.

A. the planet from becoming less polluted B. the planet from becoming more polluted

C. the house from becoming few polluted D. the planet from becoming little polluted

Question 29. The ………………………..chemical waste is dumped into the river.

A. dirty                     B. poisonous                    C. polluted                     D. unclear

Question 30. She ………………the report by 9.00 yesterday.

A.has finishes                   B. have finished                        C. had finished                   D. finished

Question 31. She ………………… badminton at the moment

A. plays                   B. play              C. playing              D. is playing

Question 32. I managed to pass the text. “…………………….”

A. Oh no!                      B. That’s awful!              C. How terrible!               D. that’s great!

Choose the correct answer to complete the passage:

Everyday 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 poisonous 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 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. We hear, see and read about problems in the world _________

A. once a week

B. every day

C. every week

D. every year

2. What causes the air pollution?

A. fumes from vehicles.

B. poisonous gases from factories.

C. waste from everywhere

D. All are correct

25. The sea has become polluted because of _________

A. oil spills

B. factories wastes

C. smoke from factories

D. A and B are correct

26. In order to make the world a better place to live, we _________

A. should not prevent pollution

B. must find a good solution.

C. should kill the fish.

D. None is correct.