A.a floating wreck
B.a survivor at sea
C.a man who had fallen overboard
D.a drilling rig
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A.a message about the safety of navigation will follow
B.a message of an urgent nature about the safety of a ship will follow
C.the sender is in distress and requests immediate assistance
D.you should secure your radiotelephone
A.Safety message
B.Urgency message
C.Distress message
D.Routine message
A.at
B.on
C.in
D.above
最新試題
Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?（）
Which statement is TRUE about nylon line?（）
Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.
To safely anchor a vessel there must be sufficient scope in the anchor cable. Scope is the ratio of（）.
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.
Proper use shall be made（）radar equipment if fitted and operational.
Where would you find the call sign or call letters of the radio station on your ship?（）
The term PROLONGED BLAST refers to（）.
Which term describes a part of a natural fiber line?（）
Which tool is used to open the strands of fiber lines when making an eye splice?（）