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7. Form nouns from the following verbs using the suffix -ment and translate them:

For example: to develop - развивать; development - развитие

employ – использовать;

to equip – оборудовать;

to improve – улучшать;

to move – двигаться;

to place – помещать;

to require – требовать;

to treat – обрабатывать;

8. Choose the appropriate English equivalents.

Они заряжали  – 1. They are charging; 2. They were charging; 3. They will be charging.

Это происходило  – 1. This is taking place; 2. This was taking place; 3. This will be taking place.

Вода текла  – 1. The water was flowing; 2. The water will be flowing; 3.The water is flowing.

Ток проходил  – 1. The current will be passing; 2. The current is passing; 3. The current was passing.

9. Translate the text. Use a dictionary if necessary. To each sentence put different type of question in Present Continuous.

The students of the Technical University were carrying out an experiment with a multimeter in the lab last week. They were checking a mains socket in the wall and they were following all the safety instructions. Paul was using two probes that time. While he was inserting them into two terminals of the socket, his groupmate Alex was turning the function selector switch to the VAC (voltage alternating current) range. The needle was indicating the pressure of electricity, i.e. the voltage in the mains. It was 220 volts. Next time they are planning to measure the current in a table lamp.

10. Read and translate word-combinations starting from the first component:

1. electronic

construction

mathematical equipment

production

testing

    1. alternating

periodic

physical quantity (величина)

pulsating

vector

2. integrated quantity (количество)

large

    1. mathematical table

periodical

3. crystal lattice

point (точечная)

6. valence electrons

free

11. Match the following word-combinations with their translation.

a) special equipment

b) a solid piece of pure silicon

c) crystal lattice

d) covalent bonds

e) outer shell

f) inner shell

1) внешняя оболочка

2) ковалентные связи

3) кристаллическая решётка

4) твёрдый кусок чистого кремния

5) внутренняя оболочка

6) специальное оборудование

12. Match the following sentences with their translation.

1. Elements with similar properties are placed in the same vertical column.

2. Mendeleyev placed elements with similar properties in the same vertical column.

3. Elements placed in the same vertical column have similar properties.

  1. Элементы, помещённые в той же самой вертикальной колонке, имеют схожие свойства.

  2. Элементы с похожими свойствами помещены в той же самой вертикальной колонке.

  3. Менделеев поместил элементы с похожими свойствами в одной и той же вертикальной колонке.