Variant – 1 Choose the best answer

21. The passage says that ...

A) one can erroneously consider the larger the extinguisher

the more effective.

B) only an expensive fire extinguisher is advisable to keep

safe from fire effectively.

C) extinguishers don't vary according to their ability to

control different types of fires.

D) a universal extinguisher is the best type to keep at home.

22. The author makes us sure not to purchase the extinguisher

...

A) that is intended to blow out all existing fires.

B) that is too massive for some family members.

C) that can be generally available for everyone.

D) that is capable to put out ordinary combustible burning.

23. According to the information in the passage, when a fire

extinguisher has been installed, ...

A) one should remember to turn off the light.

B) one should keep in mind not to operate it alone.

C) one should provide that not only adults but all family

members could use it.

D) one should be extremely careful to put fires.
24. What does the word "operate" in the passage mean?

A) produce B) move C) function D) perform an operation