单项选择题
A.a distress message B.an urgency message C.a safety message D.a message of SMCP
Pan-Pan repeated three times over the radiotelephone in...
单项选择题Pan-Pan repeated three times over the radiotelephone indicates which type of message will follow?（）
A.distress B.safety C.all clear D.urgency
Place on deck, in mess rooms,etc.,assigned to crew and ...
单项选择题Place on deck, in mess rooms,etc.,assigned to crew and passengers, where they have to meet according to the muster list when the corresponding alarm is released or announcement made means（）.
A.deck area B.dining room on board C.assembly station D.hold
Public address system: loudspeakers in the vessel’s cab...
单项选择题Public address system: loudspeakers in the vessel’s cabins, mess rooms, ETC., and on deck via which important information can bebroadcast from a central point, mostly from the navigation bridge defines（）.
A.PP-system B.PA-system C.AP-system D.AA-system
