单项选择题
A.Red flares or red rockets B.Continuous sounding of fog signaling apparatus C.International Code Flags November and Charlie D.Basket hanging in the rigging
What would NOT be a distress signal?（）.A.MAYDAY sent by...
单项选择题What would NOT be a distress signal?（）.
A.MAYDAY sent by radiotelephone B.Continuous sounding of fog horn C.Green star shells fired from a launcher D.Square flag and ball in a vertical line
When two vessels are in immediate danger of collision，t...
单项选择题When two vessels are in immediate danger of collision，the stand-on vessel must（）.
A.abandon ship B.assist in taking whatever action is necessary to avoid collision C.hold course and speed D.sound a distress signal
