阿摩線上測驗
18 Documents, magazines, journals, and newspapers with a gross weight of ________ kilograms or less are exempt from special cargo inspection, surveillance, and escort fees.
(A) 20
(B) 30
(C) 40
(D) 50
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統計： A(2), B(0), C(2), D(0), E(0) #3664441
統計： A(2), B(0), C(2), D(0), E(0) #3664441
