3. Об использовании прочного сплава в самолетостроении.

Выберите предложение, соответствующее содержанию текста:

4.

A. Several factors should be taken into account by the experts producing gas and steam turbines.

B. The scientific investigations resulted in the development of some alloys.

C. We should avoid the materials subjected to corrosion.

D. It is important for the aircraft industry to produce new polymers and alloys.

Выберите вариант завершения предложения, соответствующий cодержанию текста:

5. The alloys have got some advantages over the other construction materials because they...

A. increase the weight of devices

B. change the properties of the materials

C. are resistent to corrosion

D. have a number of advanced properties

Соотнесите данные утверждения с соответствующими абзацами текста А В С D

6. An aircraft turbine is considered to be a miracle of strength.

7. The investigations in the field of materials strength took place in the 19th century.

8. This alloy is produced for the rocket engineering needs.

9. The tragedies happened because of professional incompetence of the builders.

10. There is a link of the 'Materials strength' science and such construction processes as: tunnel digging and bridge erecting.

Выберите английский эквивалент слову, данному в скобках

11. Steel of higher (напряжения) is needed for aircraft.

A. straight

B. stress

C. strength

D. stretch

12. This material cannot (выдерживает) high temperature conditions.

A. generate

B. rotate

C. withstand

D. exceed

13. We hope you'll (преодолеете) the problems you are confronted with.

A. overcome

B. destruct

C. displace

D. substitute

14. It is necessery to develop some new (материалы-заменители).

A. raw materials

B. substitute materials

C. writing materials

D. natural materials

15. The experiments showed that the material could withstand tremendous stresses without any (разрушения).

A. destination

B. derivation

C. description

D. destruction

Выберите форму сказуемого:

16. According to the meter readings a considerable amount of fuel (хранилось) in the tank.

A. was stored

B. is stored

C. will be stored

D. store

17. The Periodic Law (был открыт) by the end of the 19th century.

A. has been discovered

B. had been discovered

C. was discovered

D. is discovered

18. The experiment (будет выполнен) by the end of the next week.

A. will make

B. makes

C. will have been made

D. is made

19. Two gases (были смешаны) before the temperature was raised, so a spontaneous reaction took place.

A. are being mixed

B. had been mixed

C. have been mixed

D. are mixed

20. A very important problem (обсуждается) at the moment.

A. was being discussed

B. is discussing

C. was discussed

D. is being discussed

Замените модальный глагол эквивалентом:

21. We must improve the design of this machine.

A. have to

B. are able to

C. are allowed to

D. has to

Выберите степень сравнения:

22. The study of engineering materials caused the creation of the alloys with the ... resistance to various loading conditions.

A. much greater

B. less greater

C. much more greater

D. greatest

Выберите вариант, отражающий структуру правильно- построенного вопросительного предложения:

23.

1 2 3 4

to solve at the beginning of the 20th century the

5 3 6 7 8 9 10

problems of what materials strength helped factors?

A. 6 10 9 1 5 3 7 8 2 3 4

B. 10 9 1 2 3 4 5 3 7 8

C. 6 7 8 9 1 5 3 10 2 3 4

D. 6 5 3 7 8 9 1 10 2 3 4