Упражнение 46

1. Are they no longer sur­prised at watching a te­lecast from outer space?
2. Why does he avoid being invited to take part in their own researches?
3. Are they no longer surprised at telecasts being shown from outer space?
4. Using atomic fuel for the production of electri­city is one of the most promising sources.
5. Atomic fuel being used for the production of electricity is one of the most promising.
6. Scientists have still much to do to make atom serve man.
7. Heating a semiconductor causes free electrons to appear.
8. In order to do work two conditions are necessary: there must be a force and it must act through a distance.
9. The proton and neutron have almost the same weight, but the electron weighs as much as a proton or neutron.
10. The nucleus of hydrogen con­tains but one proton.
11. An electric current is but a proces­sion of charges.
12. Nobody being there, I went away.
13. When transported, gases are compressed into strong cylinders.
14. The results of the experiment will be of great importance for our further work.
15. My brother having taken the key, I could not enter the house.
16. Dinner being over, we continued our work.
17. The letter having been delayed, the news reached us too late.
18. The key having been lost, they could not enter the cottage.
19. May I interrupt the discussion to report the latest news?
20. It may rain tomorrow.
21. This question has already been discussed at the conference.
22. This device has been used in our experiment.
23. John Von Neumann proposed that programs could be coded as numbers and stored with data in a computer's memory.
24. In order to understand how transistors and other circuit elements can be made from silicon, it is necessary to consider the physical nature of semiconductor materials.
25. My friend had prepared his report before we spoke to you.
26. Whereas early developments were concerned with implementation of simple architectures with fundamental concepts and operations, the technology has now advanced to the point where significantly more sophisticated hardware can be (and is being) implemented in current and future microprocessor generations.
27. Nearly one hundred fifty years ago there were no such things as computers — at least in the sense we are using the term now.
28. One approach that will help is parallelism.
29. The higher the voltage, the higher is the electron velocity.
30. Should the scientist use a radio-telescope, he would obtain much more information about that small planet.
31. Could the observations have been proved theoretically, they would have advanced our knowledge in the field of space research.
32. It is John who must have been out of town for the 4 of July.
33. Is it by tomorrow morning that you will have the report ready?
34. No sooner had the delegation arrived than the conference began.