阿摩線上測驗
29 The implementation of tariff _______ allows a pre-determined quantity of a product to be imported at
lower import duty rates than the duty rate normally available for that product.
(A)quality
(B)quantity
(C)quota
(D)quotation
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統計： A(2), B(3), C(45), D(7), E(0) #2776753
統計： A(2), B(3), C(45), D(7), E(0) #2776753
