Задание № 2

Перепишите вопросы и письменно ответьте на них.

1. Do you know how metamorphic rocks have been formed?

2. Which rocks belong to the group of metamorphic?

3. Does gneiss have the same structure as granite?

4. Is the role of water great in metamorphism?

5. What rocks do we call foliated?

6. What rocks belong to the group of non-foliated rocks?

7. How can geologists trace the original structure of metamorphic rocks?

8. Why are metamorphic rocks often called crystalline schists?

9. Where are metamorphic rocks mostly found?

Задание № 3

Письменно переведите 3, 5, 6, 7 и 8 абзацы текста.

Задание № 4

Перепишите предложения, подчеркните сказуемое, в скобках укажите время и залог, переведите предложения на русский язык.

Образец: Yesterday at 5 o’clock they were working in the laboratory. (Past Continuous Active) Вчера в 5 часов они работали в лаборатории.

1. When we came they were making their experiment.

2. They will be working in the mine from 2 p.m. till 8 p.m.

3. New methods of prospecting and extracting useful minerals are being worked out at our research institute.

4. When we came into the hall recent investigations in the northern regions of the country were being spoken about.

5. They are compiling a new map of the Ural mountains now.

6. The lands are being worn down and sediments are accumulating continuously, forming new layers of sedimentary rocks.

Задание № 5

Перепишите предложения, подчеркните причастие I, переведите предложения на русский язык.

Образец: Boiling springs are a feature of many volcanic regions. Бурлящие источники характерны для многих вулканических районов.

1. Wind is air moving along the surface of the earth.

2. The earth rotates on its axis moving from west to east.

3. The process of change resulting from exposure of rocks to the influence of the atmosphere is known as weathering.

4. Rain water falling on the surface of rocks decomposes them chemically.

5. The envelope comprising all the water on and near the earth’s surface is called the hydrosphere.

6. Water wears the higher portion of the lithosphere, transports and deposits the resulting sediments in the various lower portions (basins) of the lithosphere.

Задание № 6

Перепишите предложения, подчеркните слова, оканчивающиеся на суффикс – ing, переведите предложения на русский язык.

Образец: There is no way of telling the relative ages of these formations at present. В настоящее время невозможно определить возраст этих образований.

1. Gas is used for producing synthetic materials.

2. Physical weathering of rocks is most active in desert regions.

3. As a rule opencast mining us used when the deposit lies near the surface.

4. Coke is formed in the process of heating coal in the absence of air.

5. It is difficult to understand the nature of fossils without studying their origin.

6. Denudation is the general term used for the wearing down of land areas.

7. The presence of water in the liquid state plays an important part in determining the nature of the earth’s surface.

Задание № 7

Перепишите предложения, подчеркните модальный глагол, переведите предложения на русский язык.

Образец: He must go to the University every day. Он должен ходить в университет каждый день.

1. If we are to understand the origin and classification of rocks, we must learn something about the various minerals that compose them.

2. Geologists have to use indirect methods for getting answers to many questions.

3. A tremendous amount of work had to be done to make the present scientific achievements possible.

4. The geologists should know how to make topographic or mine maps.

5. We ought to understand that all mineral deposits are limited in extent.

6. We had to repeat the experiment.

7. Computers are to be widely used in industry.