Английский язык, тесты

1.Oxidation is the process of [A — combining /B — combine/ C – combines] oxygen with another substance.

2.Firemen must keep fit their equipment to be ready [A — respond /B — to be respond /C – to
respond] to a fire as quick as possible.

3. When you gaze at the [A — leap/ B — leaping /C – leaped] flames, you are observing not an object, but a process - a chemical reaction.

4. New [A — tested /B — testy/ C – testful] fire appliances will be the most advanced fire engines.

5. It was necessary [A — to pump /B — pump /C – to be pumping] water.

6. [A — Improve/B — Improving / C – Improved] English is our aim.

7. Report [A — discussed /B — discussing /C – discuss] by our post – graduate students yesterday will
be published soon.

8.Before extinguishing a fire firefighters should try [A — to decide /B — decide/ C – deciding] what
agent to use.

9.[A — Drive /B — Driving / C – Driver] man is the best pilot of F1.

10. Fires are known to be extinguished by [A — introduce/ B — introducing /C – introduced] inert
gases.

11. The new safiety measures [A — to open /B — opening /C – opened] up new opportunities for civil
protection system wiil be implemented soon.

12. Accidental fires [A — cause /B — are causing /C – caused] by dangerous practices and defective
equipment must be punished.

13. The combustion [A — lead/ B — leading /C – leader] to flame propagation is known to be a chain reaction.

14.[A — To became /B — Become / C – To become] highly qualified rescuer one must study hard.

15. At the [A — begin B — beginning / C – begun] the fire has no source of heat except the heat of
ignition.