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 may ignite fuel vapors?（）
Which statement is TRUE about placing the eyes of two mooring lines on the same bollard?（）
Which measure should NOT be taken to reduce the pounding of a vessel in a head sea?（）
Should the vessel have no deratisation certificate at the time of her delivery，she（）be held to be unseaworthy.
Which method is used to detect rot in manila lines?（）
Which term describes a part of a natural fiber line?（）
Smoking in bed on a ship is prohibited（）.
If passengers are on board when an abandon ship drill is carried out，they should（）.
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.