单项选择题
A.fast B.clear of C.clean of D.away
A. in the end B. on the end C. at the end D. to the end
A. rat guards B. anchor ball C. deck light D. bollard
A. Unmoor all lines except the headline and forward spring. B. Moor all lines except the headline and forward spring. C. Hold on all lines except the headline and forward spring. D. Let go the headline and forward spring.
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