阿摩線上測驗
6 _______ refers to the price of one currency in terms of another.
(A)The tariff
(B)The exchange rate
(C)The duty
(D)The national income
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統計： A(9), B(69), C(5), D(1), E(0) #1091855
統計： A(9), B(69), C(5), D(1), E(0) #1091855
