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
您可能感興趣的試卷
你可能感興趣的試題
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 method of adjusting mooring lines is MOST useful for leaving a boat free to rise and fall with the tide?（）
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.
In the International Code of signals，a group of three letters indicates（）.
Which mooring line has the least elasticity?（）
Which term describes a part of a natural fiber line?（）
Good anchorage may be obtained anywhere in this water area，the bottom being generally mud and sand，vessel may have（）.
The ship is not very stable，please（）when making a turn.
The term PROLONGED BLAST refers to（）.
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?（）