單項選擇題It is dangerous for vessels without the operational radar()the estuary.

A.to get
B.to approach
C.to proceed
D.to close


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1.單項選擇題Bales close to the deckhead should be covered to prevent().

A.damage by dripping sweat
B.damage by odor contamination
C.from striking structure
D.from steel rusty

3.單項選擇題When steering by autopilot,how often should the steering be checked?()

A.12 times on each watch
B.When time allows
C.At least once a watch
D.No checking is necessary

4.單項選擇題()is the act of allocating space to containers on board of a container ship in the order of the discharge ports.

A.Container loading
B.Container discharging
C.Stowage planning
D.Container checking

5.單項選擇題According to the relevant regulation, lifeboat should be powered by().

A.inboard diesel engine
B.outboard diesel engine
C.outboard gasoline engine
D.inboard gasoline engine