X. Read the passage carefully and do the tasks.
There are many kinds of pollution. Air, water, and land can be polluted. Some pollution is caused by
nature, such as foods, forest fires, and volcanoes. People are the major Cause of pollution. We pollute the
air with our cars, homes, and factories. Smoke from factories and car exhaust makes the air looks gray and
smoggy. Some people cannot go outside when the air is very bad! We pollute the water by dumping
garbage and Chemicals in the water. Plants and animals die because of the pollution in the water. We
pollute the soil with Chemicals and garbage. We harm the land by cutting down trees in the forest,
especially to build roads and new houses without careful planning and thinking.
The only way to save our environment is to think about pollution. How can you stop or limit pollution?
How do we protect our environment? Conservation is one way to protect our environment. Conservation is
the wise use and protection of our environment. We can control water pollution by not producing as much
as waste and by proper disposal of sewage and garbage. We can take care of recreation land by cleaning up,
after ourselves and not causing more pollution. Carpooling and public transportation will help reduce air
pollution.
Recycling is a type of conservation. Recycling is reusing items over again or in a new way. Recycling can
help us conserve our natural resources so they will last many more years. A. Find the word in bold in the
passage that means:
1. the protection of the natural environment ____
2. have a bad effect on something ____
3. a large amount of water covering an, area that usually dry ____
4. sharing a car ride with other people ____
5. waste gases that come out of an engine ____
6. the process of making air, water, soil, etc. dirty ____
7. get rid of ____
B. Choose the correct answers.
1. According to the passage, pollution________
A. is always caused by humans. B. can only be caused by nature.
C. is mainly caused by humans. D. may sometimes cause natural disasters.
2. What kind of pollution may a car cause?
A. Air pollution B. Water pollution C. Soil pollution D. Light pollution
3. Which of the followings is not an example of soil pollution?
A. Land development B. Waste disposal
C. Pesticide or fertilizer use D. Exhaust from traffic
4. How can we help save our environment?
A. Stop pollution. B. Dump garbage into the river.
C. Drive cars everywhere. D. Cut down trees in the forests.
5. How does recycling help the environment?
A. It expands landfills. B. It saves natural resources.
C. It increases water pollution. D. It causes air pollution.

6. What can we do to help reduce air pollution?
A. Walk or bike B. Carpool to work or school
C. Use public transport D. All of the above
7. What is the main idea of this article?
A.The air is dirty because of cars and factories. B. The soil gets polluted from littering.
C.People cause pollution, but they can also stop or limit it.
D. Conservation is the only way to stop environmental pollution.

Put verbs in correct form

1. If global warming......... (continue), temperature........ (rise), even higher

2. If light pollution...... (keep) growing, you .......(not be) able to see even the Big Dipper at night

3. We........ (threaten) our own existence if we..... (not cut down) the waste rapidly.

4. If people....... (pay) a little more attention to the environment, the Earth...... (be) greener.

5. If people no longer........ (pollute) the atmosphere, the air .........(soon become) clean again

There are many kinds of pollution. Air, water, and land can be polluted. Some pollution is caused by nature, such as floods, forest fires, and volcanoes. People are the major cause of pollution. We pollute the air with our cars, homes, and factories. Smoke from factories and car exhaust makes the air looks gray and smoggy. Some people cannot go outside when the air is very bad! We pollute the water by dumping garbage and chemicals in the water. Plants and animals die because of the pollution in the water. We pollute the soil with chemicals and garbage. We harm the land by cutting down trees in the forest, especially to build roads and new houses without careful planning and thinking.

     The only way to save our environment is to think about pollution. How can you stop or limit pollution? How do we protect our environment? Conservation is one way to protect our environment. Conservation is the wise use and protection of our environment. We can control water pollution by not producing as much waste and by proper disposal of sewage and garbage. We can take care of recreation land by cleaning up after ourselves and not causing more pollution. Carpooling and public transportation will help reduce air pollution.

     Recycling is a type of conservation. Recycling is reusing items over again or in a new way. Recycling can help US conserve our natural resources so they will last many more years.

A. Find the word in bold in the passage that means:

1. the protection of the natural environment                                       …………..

2. have a bad effect on something                                                       …………..

3. a large amount of water covering an area that is usually dry          …………..

4. sharing a car ride with other people                                                …………..

5. waste gases that come out of an engine                                          …………..

6. the process of making air, water, soil, etc. dirty                             …………..

7. get rid of                                                                                  …………..

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 .

We are using up the world’s Petroleum. We use (18) _______ in our cars and to heat our building inwinter.Farmers use petrochemicals to (19)_______ the soil rich. They use them to kill insects (20) _______ eat plants. These chemicals go (21)_______  rivers and lakes and kill the fish there. Thousands of pollutants also go into the air and pollute it. Winds carry this (22)_______ air to other countries and other continents.

Poor farmers use the same land over and (23)_______. The land needs a rest so it will be better next year. However, the farmers must have food this year. Poor people cut down forests (24)_____ firewood. In some areas when the trees are gone, the land (25)_______ desert. Poor people can’t save the environment for the (26)_______            

     This is not a problem for one country or one area of the world. It is a problem for all- humans. The people and the nations of the world must work together to (27)_______ the world’s resources.

Điền vào số (23)

A. over      

B. again      

C. repeatedly       

D. repeatin

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 .

We are using up the world’s Petroleum. We use (18)_______ in our cars and to heat our building inwinter.Farmers use petrochemicals to (19)_______ the soil rich. They use them to kill insects (20)_______ eat plants. These chemicals go (21)_______ rivers and lakes and kill the fish there. Thousands of pollutants also go into the air and pollute it. Winds carry this (22)_______ air to other countries and other continents.

Poor farmers use the same land over and (23)_______ The land needs a rest so it will be better next year. However, the farmers must have food this year. Poor people cut down forests (24)_____ firewood. In some areas when the trees are gone, the land (25) _______ desert. Poor people can’t save the environment for the (26) _______            

     This is not a problem for one country or one area of the world. It is a problem for all- humans. The people and the nations of the world must work together to (27) _______ the world’s resources.

Điền vào số (18)

A. it  

B. them       

C. that        

D. those

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 .

We are using up the world’s Petroleum. We use (18) _______ in our cars and to heat our building inwinter.Farmers use petrochemicals to (19)_______ the soil rich. They use them to kill insects (20) _______ eat plants. These chemicals go (21)_______  rivers and lakes and kill the fish there. Thousands of pollutants also go into the air and pollute it. Winds carry this (22)_______ air to other countries and other continents.

Poor farmers use the same land over and (23)_______. The land needs a rest so it will be better next year. However, the farmers must have food this year. Poor people cut down forests (24)_____ firewood. In some areas when the trees are gone, the land (25)_______ desert. Poor people can’t save the environment for the (26)_______            

     This is not a problem for one country or one area of the world. It is a problem for all- humans. The people and the nations of the world must work together to (27)_______ the world’s resources.

Điền vào số (27)

A. recycle  

B. preserve  

C. keep       

D. reuse

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 .

We are using up the world’s Petroleum. We use (18) _______ in our cars and to heat our building inwinter.Farmers use petrochemicals to (19)_______ the soil rich. They use them to kill insects (20) _______ eat plants. These chemicals go (21)_______  rivers and lakes and kill the fish there. Thousands of pollutants also go into the air and pollute it. Winds carry this (22)_______ air to other countries and other continents.

Poor farmers use the same land over and (23)_______. The land needs a rest so it will be better next year. However, the farmers must have food this year. Poor people cut down forests (24)_____ firewood. In some areas when the trees are gone, the land (25)_______ desert. Poor people can’t save the environment for the (26)_______            

     This is not a problem for one country or one area of the world. It is a problem for all- humans. The people and the nations of the world must work together to (27)_______ the world’s resources.

Điền vào số (22)

A. pollute  

B. polluting 

C. polluted 

D. pollution