单项选择题
A.transmit B.to transmitting C.transmitting D.in transmitting
Two vessels（）while they re sailing in Huangpu River.A.s...
单项选择题Two vessels（）while they „re sailing in Huangpu River.
A.strike B.strikes C.are striking D.struck
（）all ships in a large sea area being alerted, an “area...
单项选择题（）all ships in a large sea area being alerted, an “area call” will normally be transmitted so that only those ships in the vicinity of the distress incident are alerted.
A.Avoiding B.To be avoided C.Avoided D.To avoid
The concept of NAVTEX is of a（）system for the broadcast...
单项选择题The concept of NAVTEX is of a（）system for the broadcast and reception of MSI.
A.complete service B.partial controlled C.quite new D.total co-ordinated
