航海英語消防用語單項(xiàng)選擇題每日一練(2019.01.20)

來源：考試資料網(wǎng)

1 An advantage of an ABC dry chemical over a carbon dioxide extinguisher is（）.

2 Lifesaving regulations require that a fire drill include（）.

3 One disadvantage of using regular dry chemical (sodium bicarbonate) in firefighting is that（）.

4 The bilge pump on a fishing vessel（）.

5 Ordnance exercise is（）.