阿摩線上測驗
48 Enforcing documentation requirements is a critical part of the coast guards’ mission to prevent illegal trafficking of _____ goods, such as those that are flammable, corrosive, or poisonous.
(A) valuable
(B) commercial
(C) local
(D) hazardous
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統計： A(44), B(45), C(34), D(111), E(0) #3462432
統計： A(44), B(45), C(34), D(111), E(0) #3462432
