A.at all times
B.during evening hours
C.unless another person is present
D.during drilling operations
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A.shall
B.should
C.may
D.would
A.of
B.to
C.on
D.with
A.to
B.on
C.of
D.for
A.urgency or an emergency
B.the vessel's national identity signal
C.a group from the general signal code
D.a group from the medical signal code
A.Hard rubber
B.Canvas
C.Leather
D.Sponge rubber
最新試題
I hope you don’t mind（）the radar for us in a short time.
Good anchorage may be obtained anywhere in this water area，the bottom being generally mud and sand，vessel may have（）.
Which statement is TRUE about nylon line?（）
I would be very much（）if you could arrange for a radio technician to come on board as soon as possible for my radar repair.
The ship is now down（）head.
Proper use shall be made（）radar equipment if fitted and operational.
Which statement is TRUE with respect to the elasticity of nylon mooring lines?（）.
In the International Code of signals，a group of three letters indicates（）.
The ship will be（）demurrage soon.
Which tool is used to open the strands of fiber lines when making an eye splice?（）