单项选择题
A.Feet B.Yards C.Fathoms D.Meters
The short-long dashed，magenta lines parallel to York Ri...
单项选择题The short-long dashed，magenta lines parallel to York River Entrance Channel mark（）．
A.fish trap areas B.naval exercise areas C.underwater cables D.recommended track lines
The short-long dashed magenta line around Gardiners Isl...
单项选择题The short-long dashed magenta line around Gardiners Island marks（）.
A.A regulated anchorage B.Fish trap areas C.An area closed to the public D.Underwater cables
The shoreline on charts generally represents the mean（）...
单项选择题The shoreline on charts generally represents the mean（）.
A.High water line B.Low water line C.Low water spring line D.Tide level
