阿摩線上測驗
24. The master and pilot should ______ the information regarding navigational procedures, local conditions and ship characteristics.
(A) veil
(B) cover
(C) exchange
(D) conceal
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統計： A(5), B(4), C(92), D(5), E(0) #3833738
統計： A(5), B(4), C(92), D(5), E(0) #3833738
