A.in an emergencyB.to engage in fishing within the zone……

单项选择题A vessel navigate in areas near the termination of traffic separation schemes shall do（）with particular caution.

A.it
B.that
C.this
D.so

单项选择题A vessel not using a traffic separation scheme shall avoid it by as wide a（）as is practicable.

A.margin
B.legend
C.legion
D.maiden

单项选择题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.

A.obliged
B.to be
C.exempted from
D.necessarily

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