A.a blast of from five to seven seconds' duration
B.a blast of from five to six seconds' duration
C.a blast of from four to six seconds' duration
D.a blast of from six to seven seconds' duration
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A.at
B.for
C.in
D.on
A.on
B.by
C.in
D.for
A.stop down
B.speed down
C.slow down
D.down slow
A.SOS，ZZZ，XXX
B.SOS，UUU，SSS
C.SOS，XXX，TTT
D.SOS，TTT，UUU
A.final topping off is occurring
B.first starting to receive fuel
C.hoses are being blown down
D.hoses are disconnected and being capped
最新試題
Which statement is TRUE with respect to the elasticity of nylon mooring lines?（）.
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.
Which mooring line has the least elasticity?（）
The most likely time for oil pollution while bunkering is when（）.
Where would you find the call sign or call letters of the radio station on your ship?（）
Keep clear（）the buoy.
Which mooring line is likely to undergo the most strain when docking a ship under normal conditions?（）
Which method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）
The ship will be（）demurrage soon.