单项选择题
A.The construction of the vessel B.The experience of the vessel's crew C.The location of vessels detected by radar D.All of the above
The Navigation Rules state that a vessel shall be opera...
单项选择题The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within（）.
A.The distance of visibility B.1/2 the distance of visibility C.A distance appropriate to the existing circumstances and conditions D.The distance that it would require for the propeller to go from full ahead to full astern
The look-out must be able（）full attention to the（）of a ...
单项选择题The look-out must be able（）full attention to the（）of a proper look-out．
A.to give/keep B.giving/keeping C.giving/keep D.to give/keeping
She（the vessel）shall if necessary（）and in any event nav...
单项选择题She（the vessel）shall if necessary（）and in any event navigate with extreme caution until danger of collision is over.
A.take all her way off B.take her way all off C.take her way off D.take off her all way
