航海英語救生設(shè)備單項選擇題每日一練(2019.01.11)

來源：考試資料網(wǎng)

1 On a class B fire，which portable fire extinguisher would be the LEAST desirable?（）

2 Each open lifeboat carried on a vessel on an international voyage must have（）.

3 Line throwing equipment should not be operated（）.

4 The falls on gravity davits are（）.

5 On cargo and miscellaneous vessels what is NOT a required part of the fireman’s outfit?（）

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