Ex. 1 Answer the questions.

1. What is the industrial progress of mankind based on?

2. Which is the first widely applied method of producing electricity at present?

3. Which is the second way of generating power?

4. What (how high) is the efficiency of these two methods?

5. What do we use the energy of hot water for?

6. When and where did the first power station using ocean tides begin operating in Russia?

7. What can you say about the energy of the sun?

8. What fuel is the most promising for the production of electricity?

9. Is the efficiency of generating power from atomic fuel high or not?

10. What problem do scientists pay great attention to?