单项选择题

Keeping the draft at or below the load line mark will insure that the vessel has adequate（）.

A.ballast
B.reserve buoyancy
C.displacement
D.rolling periods

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单项选择题
It’ll affect neither the draft（）the rotation of discharging.

A.or
B.and
C.nor
D.either
单项选择题
It is apparent that there was not sufficient depth of water（）and I claim that the estimated arrival draft as radioed to the agent to report to you was a close one.

A.for my vessel crossing safely
B.my vessel is to cross safely
C.for my vessel to cross safely
D.for my vessel's crossing safely
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