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5.3. Find English equivalents of the following words and word combination:

Вибір, геологічні характеристики (властивості), розвідати і оцінити, розробка (джерела), залежати від, качати воду, відстань, попередня розвідка, визначити, не важко знайти, доцільно, ощадливий, безпечний, пошуки, виявляти, геологічні формації.

5.4. Complete the sentences with the words given below:

1. The knowledge of the Earth geological properties is necessary … the potential sources of water.

2. The selection of the source of supply … many factors.

3. To make a choice on the water source it is necessary … .

4. It is advisable to find the source which is … .

5. A water source can be often found along … .

(to carry out a survey, depends on, to recognize and evaluate, the foot of the hills, economical and safe to develop).

5.5 Find the paragraph which deals with the factors influencing the choice of water supply source.

5.6. State the macrotopic of the text.

5.7. Divide Text B into parts. Suggest the titles for each part.

5.8. Write down key-words for each part.

5.9. Render the contents of each part in 2-4 sentences.

TEST 6

І. Choose the word or phrase that best completes the sentence:

1. The … from the source to the houses determines the selection of water supply source.

а) survey; c) scheme;

b) distance; d) catchment area.

2. One of the … factors influencing the choice is the quantity and quality of the water available.

а) importanter; c) more important;

b) most important; d) less important.

3. A water supply system … distribute water to the consumers.

а) have to; c) ought to;

b) has to; d) can to.

4. In the next project this engineer … easily recognized a suitable source.

а) had to; c) will be able to;

b) should to; d) is allowed to.

5. The emphasis … on the geological properties of the Earth.

а) must to be; c) will be able to;

b) should be; d) will be allowed to.

II. Identify the one underlined word or phrase that must be changed in order for the sentence to be correct:

1. Don’t take this water, she is not fit to drink.

A B C

2. Water is used during maintenance activities to cleaning equipment.

A B C

3. Sewage should be purifying before it is discharged into a river.

A B C

4. A typically source of water supply for sanitary purposes is mains

A B C

water.

5. Different treatment processes usually generation their own

A B C

wastewater flow.

III. Complete the sentences matching the words from the column to the sentence gaps:

1. To help in … of the potential source of water one may need the topographic maps.

1. treatment

2. A water source is … to provide … water for distribution by the water supply system.

2. to remove

3. Water for industry and commerce may require … including filtration, chlorination, etc..

3. evaluation

4. Water taken directly from a river may be used for cooling … heat from rotating machinery.

4. gravity

5. Water can be supplied either by … or by pumps

5. developed potable

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