18. The vessel is ____ because of taking into water after striking with an unknown object. The
ship requires immediate assistance.
(A) rolling
(B) pitching
(C) sinking
(D) proceeding
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統計: A(2), B(2), C(20), D(3), E(0) #3279040
統計: A(2), B(2), C(20), D(3), E(0) #3279040