航海英语单项选择题每日一练(2020.03.26)

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1 Before using a fixed C0₂ system to fight an engine room fire,you must（）.

2 A certificated lifeboatman assigned to command the lifeboat must（）.

3 No person may serve as the person in charge of both the vessel and the facility during oil transfer operations unless（）.

4 What does “VHF” stand for?（）

5 Which statement is TRUE about nylon line?（）