单项选择题

Prior to getting underway，the Master or person in charge of a ship must（）.

A.conduct a fire drill
B.conduct a boat drill
C.log the fore and aft draft marks
D.test the emergency generator

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单项选择题

A.mattress fires
B.oil fires
C.wood fires
D.All of the above

单项选择题

A.only when fully loaded
B.if one or more tanks are full
C.when transferring cargo
D.only when the barge is being towed

单项选择题

A.the CO₂ being inhaled by personnel
B.reflash of burning liquids
C.vapor condensation on the extinguisher
D.the discharge causing a static spark