Добавил:
Upload Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз: Предмет: Файл:
0981348_5CD9F_borisova_t_v_uchebnoe_posobie_po_...doc
Скачиваний:
0
Добавлен:
01.07.2025
Размер:
2.26 Mб
Скачать

20. Choose suitable translation of English words from Russian ones. Compose sentences with them on the topic of the text

natural water sources

body of water

inland lake

water supply

water treatment

purity

contamination

sewage disposal system

pollution

through the medium

under soil

consumption

moisture

естественные источники воды

загрязнять(ся)

водный массив

водоснабжение

подпочва

беспримеcность

влага

слой, пласт

загрязнение (заражение)

система удаления сточных вод

насыщенный

обработка воды

материковые озера

saturated

to foul stratum

загрязнение

при помощи, посредством

21.Point which of these sentences have the main idea of the text. Explain your point of view

1. On the earth water can be obtained from different natural sources. 2. At present the problems of water supply and treatment are the most essential for mankind. 3. Water taken from natural sources such as rivers and lakes often requires aeration.

22. Which of these statements contain the basic of the text. Put them in accordance with the context

1. An adequate supply of water is one of the main require­ments for maintaining high standards of health. 2. Vast depressions in the earth filled with water and known as inland lakes are excellent sources of water. 3. The rivers and lakes contain a great amount of chemical and biological pollution. 4. Nowadays the problem of water treatment has become very urgent. 5. On the earth water passes through a very interesting physical cycle. 6. Water bodies deep in the soil are excellent sources of water. 7. Man after using water returns it to the source by means of sewerage systems; thus the cycle is completed. 8. Water is an important part of nature. 9. Man's earliest settlements were always close to natural water sources.

23. Add these sentences with correct variant according to the text. Using as a plan speak briefly about Water Supply

1. An adequate supply of pure wholesome and palatable water...

a) ...is especially true of towns situated on large inland lakes or rivers, b) ...is essential for the maintenance of high standards of health, c) ...may be taken from any source of water, d) ...should be protected from contamination by filtration.

2. There are cities whose geographical location...

a) ...makes water pass through a very interesting cycle of treatment, b) ...requires elaborate systems of water supply.

c) ...makes the problem of water supply very difficult.

d) ...calls for modern systems of water treatment.

3. The earliest settlers took advantage of natural water sources by...

a) ...building water power stations on them, b) ...establishing their colonies near them, c) ...providing sufficient water supply for their needs, d) ...using water without much preliminary treatment.

4. Due to man's vast activities at the present time... a) ...various systems and methods of water treatment are required, b) ...water must be obtained in unlimited quantities, c) ...many inland lakes cannot be used as sources of water supply, d) ...splendid sources of water supply are drilled wells.