56 Ship_________ in restricted areas undertaken by Coast Guard Administration ensures that any illegal
activities will not take place onboard vessels.
(A) inspection
(B) maintenance
(C) repair
(D) collision
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統計: A(95), B(15), C(3), D(14), E(0) #2939508
統計: A(95), B(15), C(3), D(14), E(0) #2939508