单项选择题
A.Switch B.To switch C.Switched D.Will switch
Would you mind（）your DF?A.My usingB.I useC.To useD.I wi...
单项选择题Would you mind（）your DF?
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
