单项选择题

All of the following are engaged in fishing EXCEPT（）.

A.A vessel trawling
B.A vessel trolling
C.A vessel setting nets
D.A vessel tending lines

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单项选择题

A.have more resistance to listing in case of damage
B.have less tendency to have synchronous rolling
C.be less likely to have cargo shift
D.ride more comfortably

单项选择题

A vessel will NOT show sidelights when（）.

A.underway but not making way
B.making way，not under command
C.not under command，not making way
D.trolling underway

单项选择题

A vessel is tide rode when it is（）.

A.carrying extra rudder to compensate for the current
B.necessary to adjust the course steered to allow for the current
C.at anchor and stemming the current
D.being forced off of a pier by the hydraulic effect of the current