A.echo sounder
B.radar
C.direction finder
D.radiotelephone
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A.in bridge
B.on the deck
C.in the radio room
D.on the hold
A.with
B.on
C.by
D.for
A.the last port
B.the home port
C.the port of registry
D.the final port the voyage
A.rig
B.make
C.bring
D.put on
A.before
B.after
C.ago
D.since
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Manoeuvring information can not be obtained from（）.
（）is on the panel of radar.
Berthing means bringing a vessel to her berth until（）.
ECDIS must be able to perform all of the following EXCEPT（）.
According to the relevant regulation, lifeboat should be powered by（）.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
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?（）
Before any loading takes place any signs of the previous cargo should do（）.
When steering by autopilot,how often should the steering be checked?（）