单项选择题
A.Great circle B.Equator C.Small circle D.Meridian
A parallel of latitude other than the equator is a（）.A....
单项选择题A parallel of latitude other than the equator is a（）.
A.great circle B.loxodromic curve C.small circle D.gnomonic curve
A nun buoy will（）.A.be green in colorB.have an even num...
单项选择题A nun buoy will（）.
A.be green in color B.have an even number C.be left to port when entering from seaward D.be cylindrical in shape
A mid-channel buoy，if lighted，will show a（）.A.fixed red...
单项选择题A mid-channel buoy，if lighted，will show a（）.
A.fixed red light B.Morse (A) white light C.green light D.flashing red light
