航海英語應(yīng)急部署單項選擇題每日一練(2019.01.17)

來源：考試資料網(wǎng)

1 What is the MOST important consideration when determining how to fight an electrical fire?（）

2 What is the most important characteristic of the extinguishing agent in fighting a class C fire?（）

3 The primary function(s) of an automatic sprinkler system is(are) to（）.

4 To remedy a leaking fire hose connection at the hydrant，secure the valve and（）.

5 What is NOT a characteristic of carbon dioxide fire-extinguishing agents?（）