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船舶通訊與航海英文(概要)題庫下載題庫

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40.Every vessel shall maintain a proper look-out by sight and hearing as well as by all available means appropriate in the prevailing circumstances and conditions so as to make a full appraisal of situation and of the risk of collision.
(A)at all times
(B)often
(C)sometimes
(D)usually



40.Every vessel shall maintain a proper ..-阿摩線上測驗