A.by grade
B.by a grade
C.by the grade
D.by the grades
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A.in
B.as
C.to
D.with
A.in
B.up
C.above
D.on
A.by
B.with
C.on
D.in
A.one natutical mile
B.2 kilometers
C.5 cables only
D.one fathom
A.don't
B.won't
C.not
D.must not
最新試題
The loading of the ship must be done in accordance with（）.
Berthing means bringing a vessel to her berth until（）.
（）is on the panel of radar.
Which of the following is not an operation mode of AIS?（）
It is dangerous for vessels without the operational radar（）the estuary.
（）is the act of allocating space to containers on board of a container ship in the order of the discharge ports.
Which of the following shall not the officers in charge of the navigational watch do?（）
The ISM code is part of（）.
ECDIS must be able to perform all of the following EXCEPT（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.