A.2 to 4 seconds B.4 to 6 seconds C.6 to 8 seconds D.8 to 10 seconds
A.One to another B.One the other C.Each the other D.Each other
A.possible B.practicable C.impossible D.probably
A.depression B.oppression C.succession D.possession
A.at small angle B.at large angle C.at right angle D.in same direction as
A.Situations when you can see vessels on radar that you cannot see visually B.Visibility of less than half a mile C.Any condition where visibility is restricted D.Visibility where you cannot see shore
A.white light B.red light C.yellow light D.blue light
A.show a fixed red light if lighted B.show a Morse (A) white light C.be square in shape D.have an even number if numbered
A.obliged B.to be C.exempted from D.necessarily
A.Limited backing power of his vessel B.Radar information about nearby vessels C.The occupation of the other vessel，if known D.All of the above
