D Match the synonyms.

Text work

A Choose the best variant to complete the sentences.

1. In Russia the programme on nature (guarding, preservation, protection, conservation) has always been part and parcel of the development of national economy.

2. One of the (methods, mediums, means, ways) to solve both aspects of the problem is to build complex enterprises.

3. The problem of national utilization of natural resources is of greatest (significance, importance, consequence, worth, status) all over the world today.

4. To realize (steps, measures, actions, means) to be taken for nature conservation, to fulfill the programme on rational use and reproduction of natural resources, co-operation of specialists in different spheres of science and practical activities is wanted.

5. All people are interested in nature preservation as all (earthbound, natural, organic, physical) resources are national property.

B Mark statements true or false, correct the false ones.

1. The problem of national utilization of natural resources is of the least importance.

2. All people are interested in nature preservation.

3. Practical measures on rational utilization are planned.

4. To solve the problem is enough to protect air and water from pollution.

5. When we use natural resources we should be careful to destroy the balance of biosphere.

C Translate from English into Russian in written form.

1. Air pollution is the result of man's use of lethal chemicals, and is a common hazard in both industrial and developing countries.

2. Acid rain results from the release into the atmosphere of sulphur oxide and nitrogen oxide.

3. Electrical generating plants, industrial boilers, large smelters, and automobiles are among the chief sources of these emissions.

4. The gases react with water droplets, forming a diluted mixture of sulphuric acid and nitric acid, and it is this mixture that returns to the Earth in the form of acid rain, mist, or snow.

5. Acid rain has acidified lakes and streams, rendering them unable to support fish, wildlife, plants, or insects.

D. Read the text again and answer the following questions.

1. Is utilization of natural resources a local problem?

2. How many aspects are there in the mentioned problem?

3. What are people to do concerning utilization of natural resources?

4. How has air pollution influenced the yield of wheat?

5. What do we need the co-operation of specialists in different spheres of science and practical activities?
9 Вариант