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
If passengers are on board when an abandon ship drill is carried out，they should（）.
Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.
Where would you find the call sign or call letters of the radio station on your ship?（）
The term PROLONGED BLAST refers to（）.
Smoking in bed on a ship is prohibited（）.
Which tool is used to open the strands of fiber lines when making an eye splice?（）
Which statement is TRUE concerning radiotelephones on board towing vessels?（）
Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）
Keep clear（）the buoy.
Which mooring line has the least elasticity?（）