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【单选题】
The Hong Kong dollar is pegged to the U.S. dollar at a rate of 7.8 Hong Kong dollars to 1 U.S. dollar. Suppose the central bank of Hong Kong changes the exchange value to 7.3 Hong Kong dollars to 1 U.S. dollar. Which of the following is most likely to be true in this context?A.
The Hong Kong dollar has been revalued by 0.5 percent.
B.
The Hong Kong dollar has been devalued by 0.5 percent.
C.
The Hong Kong dollar has been revalued by 6.4 percent.
D.
The Hong Kong dollar has been devalued by 6.2 percent.
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皮皮学刷刷变学霸
举一反三
【单选题】慢性脓胸患者在下列何种情况时适合行胸膜纤维板剥除术。
A.
病期不长，纤维板粘连不甚紧密
B.
肺组织纤维化
C.
肺内有结核性空洞
D.
支气管扩张
E.
支气管胸膜瘘