A vessel restricted in her ability to maneuver when engaged in an operation for the maintenance of safety of navigation in a traffic separation scheme is（）complying with this rule to the extent necessary to carry out the operation.

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 vessel shall so far as practicable avoid（）in a traffic separation scheme or in areas near its terminations.

A.sailing
B.proceeding
C.anchoring
D.maneuvering

单项选择题A vessel using a traffic separation scheme is forbidden to（）.

A.proceed through an inappropriate traffic lane
B.engaged in fishing in the separation zone
C.cross a traffic lane
D.enter the separation zone，even in a emergency

单项选择题A vessel using a traffic separation scheme shall normally join or leave a traffic lane at the （）of the lane.

A.ended
B.terminative
C.termination
D.side

单项选择题A vessel using a traffic separation scheme shall so far as practicable（）a traffic separation line or separation zone.

A.keep well clear
B.keep very far
C.keep clear of
D.keep clear from