單項(xiàng)選擇題The radiotelegraphy safety messages for condition indicating distress，urgency and safety，respectively，are（）.
A.SOS，ZZZ，XXX
B.SOS，UUU，SSS
C.SOS，XXX，TTT
D.SOS，TTT，UUU
您可能感興趣的試卷
你可能感興趣的試題
1.單項(xiàng)選擇題The most likely time for oil pollution while bunkering is when（）.
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
2.單項(xiàng)選擇題Smoking in bed on a ship is prohibited（）.
A.at all times
B.during evening hours
C.unless another person is present
D.during drilling operations
最新試題
Which statement is TRUE concerning radiotelephones on board towing vessels?（）
題型：單項(xiàng)選擇題
Good anchorage may be obtained anywhere in this water area，the bottom being generally mud and sand，vessel may have（）.
題型：單項(xiàng)選擇題
Where would you find the call sign or call letters of the radio station on your ship?（）
題型：單項(xiàng)選擇題
The ship is not very stable，please（）when making a turn.
題型：單項(xiàng)選擇題
The term PROLONGED BLAST refers to（）.
題型：單項(xiàng)選擇題