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ТТ-7-19 09.06.20

 
Изображение пользователя Дарья Демидкина
ТТ-7-19 09.06.20
от Дарья Демидкина - Tuesday, 9 June 2020, 15:18
 

Unit 5:

Technical English. The text "Laser" to read and translate.

Ex. 1, 2 after the text to do in written form.

Изображение пользователя Александр Простнев
Re: ТТ-7-19 09.06.20
от Александр Простнев - Tuesday, 9 June 2020, 16:03
 
EX.1
  1. t
  2. t
  3. t
  4. f
  5. f
  6. f
  7. f
  8. t
  9. t
  10. f
EX.2
  1. A laser it is a device producing an intensive beam of light.
  2. Its principal of operation is light amplification by stimulated emission of radiation.
  3. A Laser produse a light of light of pure single colour.
  4. Vaporizing the hardest materialscan 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 its 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.
Изображение пользователя Алина Вафина
Re: ТТ-7-19 09.06.20
от Алина Вафина - Tuesday, 9 June 2020, 16:11
 

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.



Изображение пользователя Дарья Шаповал
Re: ТТ-7-19 09.06.20
от Дарья Шаповал - Tuesday, 9 June 2020, 16:13
 

Шаповал Дарья



Изображение пользователя Расим Гайнеев
Re: ТТ-7-19 09.06.20
от Расим Гайнеев - Tuesday, 9 June 2020, 16:25
 

Гайнеев ТТ-7-19


Изображение пользователя Денис Федоров
Re: ТТ-7-19 09.06.20
от Денис Федоров - Tuesday, 9 June 2020, 17:01
 

Ex 1

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

Ex 2

  1. A laser it is a device producing an intensive beam of light.
  2. Its principal of operation is light amplification by stimulated emission of radiation.
  3. A Laser produse a light of light of pure single colour.
  4. Vaporizing the hardest materialscan 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 its 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.

Изображение пользователя Алина Ямашева
Re: ТТ-7-19 09.06.20
от Алина Ямашева - Tuesday, 9 June 2020, 17:04
 

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.