阿摩線上測驗
34 Proper maintenance of a ship could reduce _____ or even failure of the machinery.
(A) demarcation
(B) deliberation
(C) delinquency
(D) degradation
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統計： A(16), B(23), C(20), D(43), E(0) #3118487
統計： A(16), B(23), C(20), D(43), E(0) #3118487
