题目:
Tom’s score on the test is the highest in the class. He _____.
A.should study last night
B.should have studied last night
C.must have studied last night
D.must study last night
答案:
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参考答案:C解析:远期汇率和即期汇率常常不一致。如果货币的期汇比现汇贵,则称该货币远期升水;如果期汇比现汇便宜,则称该货币远期贴水;如果两者相等,则为平价。题中,美元远期汇率小于现期汇率,即美元远期...