阿摩線上測驗
9. The purpose of a tariff is to cut down on imports in order to protect _____ industry and workers from foreign competition.
(A) revenue
(B) detrimental
(C) prohibitive
(D) domestic
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統計： A(0), B(0), C(0), D(6), E(0) #3915410
統計： A(0), B(0), C(0), D(6), E(0) #3915410
