單項選擇題

The towing light is a(n)（）.

A.flashing amber light
B.yellow light with the same characteristics as the sternlight
C.all-round yellow light
D.yellow light with the same characteristics as the masthead light

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單項選擇題

The term OIL as used in the Oil Pollution Regulations means（）.

A.fuel oil
B.sludge
C.oil refuse
D.All of the above

單項選擇題

The radiotelephone safety message urgently concerned with safety of a person would be prefixed by the word（）.

A.Mayday
B.Pan
C.Safety
D.Interco