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III. Complete the following dialogues.

a) —Alex, ...to skim this article.....

-...? What's ...about it?

-..., it seems to ... the problem of ... .

-... interesting.

b) - I'm afraid we are sure to ...

- No need to worry. The scientists are .... -Are these ... ?

- Not yet, but... to improve.

c) - ... are considered to have many ..., aren't they?

-Yes, certainly. ... pollution-free and__

- ... disadvantages?

- ..., they are said to be ... .

IV. Match a line in a with a line in b.

A

1. This article seems to be very interesting.

2. Could you tell me what the article is about?

3. We are facing an energy crisis today.

4. What is so advantageous about alternative energy sources?

5. We don't have other options, do we?

6. Am I right?

В

a) Don't worry. The scientists are sure to solve the problem.

b) I think not.

c) Does it really?

d) Without any doubts.

e) Well, you'd better read it by yourself.

f) They seem inexhaustible and pollution-free.

Vocabulary

I. Match the English words with their Russian equivalents.

essential nap

steam десятилетие

available почти

reason неотъемлемый

evident постоянно

nearly доступный

decade причина

constantly очевидный

II. Match the words with the opposite meaning.

to accelerate to excess

adequate pollution free

renewable inexhaustible

polluting inadequate

safe to slow down

shortage unsuitable

expensive nonrenewable

suitable dangerous

exhaustible cheap

III. Find in в the derivatives from the words in a.

A В

1. to civilize - civilization, civil, sensible, unsuitable

2. to consume - converter, conservation, consumption, measurement

3. use - consumer, usable, reduction, increase

4. short - report, comfort, ensure, shortage

5. power - empire, powerfully, sensible, waterwheel

6. to suit - consist, student, suitable, institute

7. to exhaust - example, inexhaustible, exhibition, explanation

8. to pollute - plant, pursuit, production, pollution

I. What do we need energy for? Make a list of the uses of energy and compare it with that of your partner.

II. Translate the following compound nouns into Russian.

energy crisis prospects energy cost

steam engine total fuel consumption

oil-equivalent overall energy supply