A.at, to
B.to, from
C.from, to
D.at ,from
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A.must be sent
B.be sent
C.would be sent
D.were sent
A.to be
B.being
C.having been
D.to have been
A.not going
B.not having been going
C.not to go
D.not to be going
A.broaching the anchor
B.shifting the anchor
C.walking the anchor
D.weighing the anchor
A.isothermal
B.millibars
C.isobars
D.seismics
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()is where the crew eat their meals.
It is dangerous for vessels without the operational radar()the estuary.
Full details of all lights and fog signals are shown on().
Manoeuvring information can not be obtained from().
()is halfway between the forward and after perpendiculars and is reference point for vessel construction.
Berthing means bringing a vessel to her berth until().
The helm command PORT TWENTY means().
()is on the panel of radar.
Shipboard Emergency Drills must be carried out at least()on board cargo ship.
When the wave period and the apparent rolling period are the same().