Exercise 3. Tick the correct completion. Sometimes two variants are possible

Today environmental pollution...

A) is not a serious problem.

B) is a complicated problem.

C) is as complicated as serious.

The pollution is a complicated problem because...

a) people don't want to reduce pollution.

B) much pollution is caused by things that benefit people.

c) people don't care about their surroundings.

Pollution can be reduced by....

A) not using many things that benefit them.

B) passing and enforcing new laws and taking action toward reducing pollution.

C) discussing the pollution problem.

Pollution became a major problem....

A) as a result of the development of crowded industrial cities.

B) when people lived in uncrowned rural areas.

C) as soon as automobiles were invented.

Exercise 4. Answer the questions.

1. What way do people pollute their surroundings? 2. Why is environmental pollution such a serious problem? 3. Why is the pollution problem not only serious, but also complicated? 4. What way can we reduce pollution? 5. When and why did pollution become a major problem?

Exercise 5. Look back into the text and find the words which have similar meanings to: contamination; environment; to decrease; to be useful; difficult; to dirty.

Exercise 6. Put questions to the underlined words.

People also pollute their surroundings in various other ways. 2. Exhaust from automobiles causes a large percentage of all air pollution. 3. Bv the mid - 1900s, pollution had affected the water in every major lake and river. 4. Large numbers of people are now working to reduce environmental pollution.