阿摩線上測驗
22.A mark or place at which a vessel comes under obligatory entry, transit, or escort procedure is called .
(A)way point
(B)receiving point
(C)turning point
(D)reporting point
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統計： A(18), B(81), C(12), D(65), E(0) #625140
統計： A(18), B(81), C(12), D(65), E(0) #625140
