Упражнение 7

 

  1. Short radio waves can go right through the ionosphere and be amplified and sent on by communications satellites.
  2. Having been repaired, the device began working much better.
  3. Who is he now having a talk with?
  4. Solar batteries generate electricity.
  5. We are sorry to trouble you.
  6. Telephone, radio and television deliver a continuous stream of information.
  7. Were you going to take part in the scientific conference?
  8. The computer doesn't really remember, information is stored in it.
  9. We mustn't reject the suggestion without discussing it with them.
  10. The input unit to be described here is a new one.
  11. The operating range of this device is broad.
  12. The origin of the word "robot" is said to have appeared first in a play written by a Czech playwright.
  13. The universities offer broad training in sciences such as physics, chemistry, mathematics, mechanics, biology, geology, geography, philology, history, philosophy and law.
  14. The vibrations of a voice speaking into the microphone of a telephone cause vibrations in an electric current.
  15. There is a simple explanation of the functioning of this device, isn’t there?
  16. This famous scientist is engaged both in scientific research and in social activities.
  17. What devices were used in the second generation computers?
  18. Every student must know the difference between automation and mechanization, mustn’t he?
  19. Do you find it necessary to continue the experiment?
  20. What did it lead to?
  21. What were they aimed at?
  22. A new radio set having been shown to them, they began to examine its details.
  23. Crystal valves were found to be less efficient rectifiers than thermionic valves.
  24. She described the device to be used in all modern systems, didn’t she?
  25. She will begin to translate the text tomorrow, won’t she?
  26. She will be working on her thesis for the next three years.
  27. He has never been to the Carpathians.
  28. Many different devices have been created in order to improve the performance of communications.
  29. But for electricity little could be done in a modern research laboratory.
  30. Sales have been falling recently.
  31. She said to me that she had never been to Leningrad.
  32. What do you think a robot should look like?
  33. When technique reaches a very high stage of development, new methods of work will become possible.
  34. When the lectures are over, we shall go to the reading hall.
  35. The method which will be used is reliable, isn’t it?
  36. The scientist who is working at the method is well known.
  37. The Soviet Union was the first country that put into operation atomic power stations.
  38. A trans­former cannot be called a machine for it has no moving parts.
  39. Provided the Earth's mass were twice as great as it is, it would attract any body twice as strongly.
  40. He would have prepared for his exams if he had come early, wouldn’t he?
  41. If the model fits well, the observed data will be correct.
  42. The substance should be purified so that it might be used for this purpose.
  43. Although improvements will reduce the required computation times, emulation will nevertheless be restricted to real time systems having slow response times.
  44. It was in 1868 that D.I. Mendeleyev formulated the Periodic Law of Elements.
  45. It is necessary that they should come in time.