II. Закончите предложения, употребив существительные, образованные от следующих глаголов. to invent, to improve, to depend, to assist и переведите их

9. In 1873 Lodygin demonstrated his ….

10. Edison worked at the … of the incandescent lamp.

11. Edison was so famous as an … that people thought there was nothing he could do.

12. Masses of people were released from their … on oil and gas lamps for light.

13. In the new laboratory Edison employed a large number of research

III. Выберите предложение, в котором Participle II выполняет роль определения и переведите его.

14. The improvement of the incandescent lamp interested Edison greatly.

15. The tungsten filament heated by an electric current radiates light.

16. When appeared first, Lodygin’s lamp attracted Edison’s attention.

IV. Выберите правильный перевод выделенных слов с суффиксом –ing.

17. In building atomic power stations we have to solve many problems.

a) строя b) построенные с) построив

18. Considering different metal filaments is the purpose of our work.

a) рассматривая b) рассмотрение с) рассмотрев

19. Solving this problem we used the new approach.

a) решая b) решение с) решив

V.Выберите подходящие по смыслу причастия. Предложения переведите.

20. The physics laboratory moved to a new house specially built / building for it.

21. Having performed / Performing the experiment, they started new investigation.

22. The work being done / doing showed clear deviation (отклонение) from practical problems.

23. Tungsten is the very metal used / using for production of lamp filaments.

VI. Выберите и переведите предложения, содержащие независимый причастный оборот.

24. When examined titanium proved to be the metal with promising properties.

25. Several theories have been advanced to explain this phenomenon, the best theory being the theory developed by a well-known scientist.

26. After the professor had left the laboratory, the experiment was over.

27. The investigations having been made, we obtained good results.

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Incandescent Lamps