问题
单项选择题
A vessel not using a traffic separation scheme shall avoid it by as（）as is practicable.
A.wide a place
B.wide a margin
C.wide enough
D.wide
答案
参考答案：B
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A vessel not using a traffic separation scheme shall avoid it by as（）as is practicable.
A.wide a place
B.wide a margin
C.wide enough
D.wide
参考答案：B