单项选择题
A.My using B.I use C.To use D.I will use
With respect to automatic identification systems（AIS），w...
单项选择题With respect to automatic identification systems（AIS），which information is expected to be broadcast every 1 to 10 seconds（）.
A.Rate of turn B.Latitude and longitude C.Navigational status D.All of the above
单项选择题With respect to automatic identification systems（AIS），which information is required to be broadcast every 1 to 10 seconds（）.
A.Call sign and IMO number B.Course over ground and MMSI C.MMSI number and call sign D.Route Plan and navigational status
While you are at anchor，what will serve as a positive w...
单项选择题While you are at anchor，what will serve as a positive warning that you are drifting towards the wrecks located to the NW and SW of your 2215 position（）.
A.A decreasing reading on loran pair 9960-X B.The bearing of Wolf Trap Light changing to the right C.Increasing soundings D.The bearing of Wolf Trap Light changing to the left
