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.

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

Everyone wants to reduce pollution. But the pollution (30) ______ is as complicated as it is serious. It is complicated because much pollution is caused by things that benefit people. (31) ______, exhaust from automobiles causes a large percentage of air pollution. But the automobile provides transportation for millions of people. Factories discharge much of the material that pollutes the air and water but factories give (32) _______ to a large number of people.

Thus, to end or greatly reduce pollution immediately, people would have to (33) ______ using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be gradually reduced in several ways. Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws (34) ______ require businesses and traffic to stop, or to cut down on certain polluting activities.

Điền vào ô 31

A. However 

B. As a result 

C. For example 

D. Therefore 

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

Everyone wants to reduce pollution. But the pollution (30) ______ is as complicated as it is serious. It is complicated because much pollution is caused by things that benefit people. (31) ______, exhaust from automobiles causes a large percentage of air pollution. But the automobile provides transportation for millions of people. Factories discharge much of the material that pollutes the air and water but factories give (32) _______ to a large number of people.

Thus, to end or greatly reduce pollution immediately, people would have to (33) ______ using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be gradually reduced in several ways. Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws (34) ______ require businesses and traffic to stop, or to cut down on certain polluting activities. 

Điền vào ô 33

A. continue 

B. enjoy 

C. stop 

D. start 

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

Everyone wants to reduce pollution. But the pollution (30) ______ is as complicated as it is serious. It is complicated because much pollution is caused by things that benefit people. (31) ______, exhaust from automobiles causes a large percentage of air pollution. But the automobile provides transportation for millions of people. Factories discharge much of the material that pollutes the air and water but factories give (32) _______ to a large number of people.

Thus, to end or greatly reduce pollution immediately, people would have to (33) ______ using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be gradually reduced in several ways. Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws (34) ______ require businesses and traffic to stop, or to cut down on certain polluting activities. 

Điền vào ô 30

A. work 

B. event 

C. accident 

D. problem 

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

Everyone wants to reduce pollution. But the pollution (30) ______ is as complicated as it is serious. It is complicated because much pollution is caused by things that benefit people. (31) ______, exhaust from automobiles causes a large percentage of air pollution. But the automobile provides transportation for millions of people. Factories discharge much of the material that pollutes the air and water but factories give (32) _______ to a large number of people.

Thus, to end or greatly reduce pollution immediately, people would have to (33) ______ using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be gradually reduced in several ways. Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws (34) ______ require businesses and traffic to stop, or to cut down on certain polluting activities. 

Điền vào ô 34

A. who 

B. whom 

C. that 

D. whose 

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

Everyone wants to reduce pollution. But the pollution (30) ______ is as complicated as it is serious. It is complicated because much pollution is caused by things that benefit people. (31) ______, exhaust from automobiles causes a large percentage of air pollution. But the automobile provides transportation for millions of people. Factories discharge much of the material that pollutes the air and water but factories give (32) _______ to a large number of people.

Thus, to end or greatly reduce pollution immediately, people would have to (33) ______ using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be gradually reduced in several ways. Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws (34) ______ require businesses and traffic to stop, or to cut down on certain polluting activities.

Điền vào ô 32

A. employed 

B. unemployment 

C. unemployed 

D. employment

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

Everyone wants to reduce pollution. But the pollution problem is (31)______ complicated as it is serious. It is complicated because much pollution is caused by things that benefit people.(32)______, exhaust from automobiles causes a large percentage of air pollution. But the automobile provides transportation for millions of people.

Factories discharge much (33)______ the material that pollutes the air and water, but factories give employment to a large number of people.

Thus, to end or greatly reduce pollution immediately, people would have to stop using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be (34)______ reduced in several ways.

Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws that (35)______ businesses and traffic to stop, or to cut down on certain polluting activities.

Điền ô 31

A. as

B. more

C. less

D. like

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

Everyone wants to reduce pollution. But the pollution problem is (31)______ complicated as it is serious. It is complicated because much pollution is caused by things that benefit people.(32)______, exhaust from automobiles causes a large percentage of air pollution. But the automobile provides transportation for millions of people.

Factories discharge much (33)______ the material that pollutes the air and water, but factories give employment to a large number of people.

Thus, to end or greatly reduce pollution immediately, people would have to stop using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be (34)______ reduced in several ways.

Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws that (35)______ businesses and traffic to stop, or to cut down on certain polluting activities.

Điền ô 35

A. forbid

B. prevent

C. request

D. require

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

Everyone wants to reduce pollution. But the pollution problem is (31)______ complicated as it is serious. It is complicated because much pollution is caused by things that benefit people.(32)______, exhaust from automobiles causes a large percentage of air pollution. But the automobile provides transportation for millions of people.

Factories discharge much (33)______ the material that pollutes the air and water, but factories give employment to a large number of people.

Thus, to end or greatly reduce pollution immediately, people would have to stop using many things that benefit them. Most of the people do not want to do that, of course. But pollution can be (34)______ reduced in several ways.

Scientists and engineers can work to find ways to lessen the amount of pollution that such things as automobiles and factories cause. Governments can pass and enforce laws that (35)______ businesses and traffic to stop, or to cut down on certain polluting activities.

Điền ô 33

A. about

B. for

C. of

D. with