单项选择题
A vessel shall not（）.
A.enter the traffic separation zone in an emergency B.cross a traffic lane C.engage in fishing in the separation zone D.proceed in an inappropriate traffic lane
单项选择题 A sailing vessel shall not impede the safe passage of a（）．
单项选择题 （）is not a type of IALA maritime buoyage system.
单项选择题 When using the anchor to steady the bow while approaching a dock you must be aware of the fact that（）.
