航海英語燃燒與爆炸單項(xiàng)選擇題每日一練(2019.01.17)

來源：考試資料網(wǎng)

1 Each fireman’s outfit and its spare equipment on a vessel must be stowed（）.

2 If，during helicopter refueling operations，fuel is spilled on clothing，the person should first（）.

3 The emergency signal for fires is sounded on the ship’s whistle and general alarm as（）.

4 A class C fire would be burning（）.

5 A fire in electrical equipment should be extinguished by using（）.