A.at
B.on
C.in
D.for
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A.with
B.in
C.to
D.on
A.for
B.with
C.to
D.on
A.till Friday
B.on Friday at the latest
C.until Friday afterwards
D.at Friday soonest
A.which
B.where
C.what
D.who
A.keep vessel afloating
B.refloat vessel listing to port
C.make vessel all-right
D.bring vessel upright
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A tide is called diurnal when（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
When steering by autopilot,how often should the steering be checked?（）
（）is on the panel of radar.
Berthing means bringing a vessel to her berth until（）.
The mean draft of a ship is the draft（）.
It is dangerous for vessels without the operational radar（）the estuary.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
Bales close to the deckhead should be covered to prevent（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）