【单选题】
The urgency signal concerning the illness of persons on board ship is（）.
A、Mayday
B、Pan
C、Securite
D、Attention
查看正确答案A、Urgency signal B、Safety signal C、Distress signal D、None of the above
搜题
更多“The urgency signal concerning the illness of persons on board ship is（）.”相关的问题
第2题
A、urgency or an emergency B、the vessel's national identity signal C、a group from the general signal code D、a group from the medical signal code
第8题
A、A.When any vessel fails to understand the intentions of an approaching vessel she must sound the danger signal B、B.Only the stand-on vessel can sound the danger signal C、C.Distress signals may be used in place of the danger signal D、D.The danger signal consists of 4 or more short blasts of the whistle
第9题
A、Mention signal stations and ice，storm，traffic and port signals B、Give the international numbers of lights C、Give the correction of the lights and fog signals D、Give the information on the lights and fog signals
