Английский в энергетике

123

Орлов

Ex1

1) T

2) T

3) T

4) T

5) F  ( Laser and thermonuclear reaction can produce a unlimited source of energy.)

6) T

7)  F (There are projects to transform solar radiation into beams.)

8) T

9) T

10) F (The complexity of laser machines is rising.)

Ex2.

1) Laser is a device producing an intensive beam of light. 2) His principle of operation is light amplification by stimulated emission of radiation. 3) A laser produces light of a pure single color. 4) Vaporizing the hardest materials can be done by means of a laser. 5) Practically any material and any substance can be treated with a laser. 6) The most promising use of lasers is the use in all kinds of communication. 7) Great technological difficulties and great cost involved are prevents putting into effect the projects to use lasers more widely in space.

Шаповал Дарья

ава

Гайнеев ТТ-7-19

Шайхутдинова

Гусев

Ex 1

1. t
2. t
3. t
4. f
5. f
6. f
7. f
8. t
9. t
10. f

Ex 2

Ex. 1

1) True

2) True

3) True

4) False (Martians did not almost invade the Earth before the turn of the last century)

5) True

6) True

7) False (There is no information about it)

8) True

9) True

10) False (The complexity of laser machines is increasing)

Ex. 2

1) A lazer is a device producing an intensive beam of light. 2) Its principle of operation is light amplification by stimulated emission of radiation. 3) Light of pure single colour is produced by a laser. 4) Vaporizing the hardest materials can be done by means of a laser. 4) Practically any material and any substance can be treated with a laser. 5) The use in all kinds of communication is the most promising use of lasers. 6) great technological difficulties and great cost involved prevent putting into effect the projects to use lasers more widely in space.