Упражнение 45

 

  1. Do you know this scientist to have been working at this problem for some years?
  2. Do you know him to have worked out a new method of applying this alloy in this device?
  3. Are there still a lot of problems to be solved?
  4. There exist lasers of various sizes, big and small, the latter being widely employed in various branches of our industry.
  5. These semiconductor devices are made both of germanium and silicon, the former being in a more advanced state of development.
  6. Two objects having the same temperature, the average energy of motion of their molecules is the same.
  7. Part of the energy being changed into heat, not all the chemical energy of the battery is transformed into electric energy.
  8. He knows of the atomic reactor being fed with uranium 23
  9. Without having improved the properties of this alloy we cannot use it in the production process.
  10. Does heating the gas increa­se the speed of the mo­lecules?
  11. How long does this kind of paint allow the metal to stay under water for several years without being repainted?
  12. Does your professor like invit­ing young specialists to take part in his resear­ches?
  13. The moon being bright, everything was clearly visible.
  14. Our petrol being exhausted, we could go no further.
  15. You should be either at your desk or at the blackboard.
  16. Both firms have the same scale of organisation.
  17. The game having ended, the crowd went home.
  18. It was dark, the sun having set an hour before.
  19. The concert being over, everyone went away.
  20. Shall I present the end-of-уеаr figures now?
  21. Should we tell him the bad news now?
  22. I've been in England as a matter of fact.
  23. We've got a new teacher.
  24. The doctor, having examined his wounds, de­clared that he needed the urgent operation.
  25. This requires that the melting point of the materials used be much higher than conventional process temperatures.
  26. My friend had prepared his report before we spoke to you.
  27. The computer has made it possible to mechanize much of the information interchange and processing that constitute the nervous system of our society.
  28. Before discussing the patterns themselves it is necessary to examine factors which are likely to interfere with the results.
  29. Distributing microprocessing is a technique in which the mam microprocessor of the PC directs other microprocessors throughout the PC system to perform specific functions for it and report their status.
  30. She was allowed to carry out this research as she had taken part in the scientific symposium.
  31. The bigger the mass, the bigger the weight of the body.
  32. Had the information been received in time, we should have used it in our calculations.
  33. Provided the operator's cabin had been equipped with electronic control, he would have been able to work faster and with greater precision.
  34. It was Popov who invented radio at the end of the nineteenth century.
  35. It is not until we install new equipment, we will not manage to carry out the plan.