阿摩線上測驗
40. Which of the following is part of the knowledge that a marine pilot must have?
(A) The value of the ships.
(B) The content of the cargo.
(C) The weather conditions.
(D) The diversity of marine life.
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統計： A(11), B(27), C(49), D(19), E(0) #3362518
統計： A(11), B(27), C(49), D(19), E(0) #3362518
