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22. State the voice and the tense form of the following verbs.

Model: was removed  Past Indefinite Passive

is discharged

 _____________________________________

was being discharged

 _____________________________________

has discharged

 _____________________________________

had not been attached

 _____________________________________

is circulating

 _____________________________________

will not be heated

 _____________________________________

extends

 _____________________________________

does not maintain

 _____________________________________

is not maintained

 _____________________________________

will be linked

 _____________________________________

will release

 _____________________________________

will have been removed

 _____________________________________

23. Change the sentences into questions:

1. There are various types of nuclear reactors.

2. The use of underground transmission lines must be increased.

3. The fuel can be enriched uranium.

4. The fission heat is used to generate steam, which drives a turbine generator.

24. Think of three questions of your own about each of the given sentences. Put them down.

1. Electric charges are acted upon by forces when they move in the magnetic field.

____________________________________________________________

2. Copper has been used as a conductor since the beginning of the industry.

____________________________________________________________

3. Nuclear reactors decrease air and land pollution but they increase thermal and radiation pollution.

____________________________________________________________

25. Use the required tense form. What are the meanings of the word time in the sentences?

1. The experiment (repeat) many times.

2. The power which (radiate) as light is almost three times as great as that radiated as heat.

3. It (know) that iron molecules are magnets at all times.

4. Under ordinary room lightning the resistance of transistors (decrease) millions of times.

3. Ruby crystals about ten centimetres long can (intensify) light ten times.

6. The density of a semiconductor laser radiation (be) hundreds of times as great as that of the ruby laser.

7. The power which (transmit) along a wire is the product of the voltage times the amperage.

Рекомендации по переводу

Перевод английского предложения не следует начинать с первого слова. Любое предложение надо дочитать до конца и лишь после этого осмыслить его и оформить средствами русского языка.

Если понимание (перевод) предложения вызывает затруднение, рекомендуется прежде всего определить в нем сказуемое. Сказуемое составляет смысловой центр предложения, занимает относительно постоянное место и обычно имеет формальные признаки.

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