單項選擇題Never（）the lifeboat or lifecraft disengaging hocks or hydrostatic release gears because it can cause them to fail to function.
A.oil
B.rig
C.release
D.paint
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1.單項選擇題No repairs can be done without the harbor master’s（）.
A.approval
B.authorization
C.consideration
D.discussion
2.單項選擇題Notice of readingness to load must be served（）the charterer or his agent.
A.to
B.for
C.at
D.on
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