33. Dangerous goods of IMO Class A are carried on deck. We must prepare a(n) _____ plan and brief all crew members on symptoms caused by dangerous substances.
(A) adventurous
(B) urgent
(C) contingency
(D) distress

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統計： A(55), B(217), C(365), D(166), E(0) #2334868

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#4145033
Contingency(n.)意外事故、偶發事件
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私人筆記#3419197
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(C) contingency plan...
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