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Read the text carefully and answer these questions according to the information in the text.

Now listen to the professor again and fill in the gaps with one of these words or expressions of the part of the presentation | PHYSICS OF URANIUM AND NUCLEAR ENERGY | Jumbled sentences. Arrange the sentences in the summary in a logical order. | Translate the following article from English into Russian. | NUCLEAR POWER REACTORS | The Advantages of Nuclear Energy | Listen to the lecturer again and find answers to the following questions | Introspection | Read the text carefully and answer these questions according to the information in the text. | Fill in the gaps with the proper article if necessary |


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  6. A) Look at this extract from a TV guide and the photo and answer the questions.
  7. A) Read and translate the text.

1. How does a nuclear reactor produce energy?

2. How is the steam used in a nuclear reactor?

3. What is the basic aim in a reactor used for research?

4. How was the energy moderated in the world’s first nuclear reactors?

5. What are the main components common to most types of reactors?

6. How is uranium used?

7. What is moderator?

8. What type of material are control rods made?

9. What is the main function of control rods?

10. What is pressure vessel made of?

11. How many steam generators may a reactor have?

12. How does containment protect the reactor core?

 

ǃ Participles

Participles have two forms:

Present participle or –ing form and past participle or -ed form; for irregular verbs it is the third form.

Present Participles are used

- as adjectives

- to shorten relative clause

Past Participles are used

- to shorten a relative clause in the passive

 

Look at these sentences from the article and underline the Present Participle and the Past Participles:

In the world's first nuclear reactors about two billion years ago, the energy was not harnessed since these operated in rich uranium orebodies for a couple of million of years, moderated by percolating rainwater.

Over 16% of the world's produced electricity coming from nuclear energy is considered to be more than from all sources worldwide in 1960.

Combine the following pairs of sentences into one using a participle.

   

1. Eight of the USA nuclear reactors have been decommissioned since 1978. They left the country with some 130 reactors.

2. The critics of nuclear energy have been citing the various nuclear plant disasters. The disasters occurred in the past.

3. This splitting of atoms produces copious amount of energy. It is used to heat water and produce steam.

4. Nuclear power is the power generated by nuclear reaction. The environment is controlled within the huge nuclear reactors.

5. Japan is a great country. It is known for fighting back.

 

2. Underline the correct participle

 

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