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【单选题】
Exchange rate overshooting occurs:A.
because interest rates are sticky.
B.
because product prices are sticky in the short run.
C.
only if investors and speculators react irrationally to any change in the monetary policies of the domestic or the foreign government.
D.
when one of the nations has a very high rate of inflation.
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举一反三
【单选题】She hasn't written to me ______.
A.
for last year
B.
during last year
C.
since last year
D.
until a year ago
【简答题】During the last six months， there was a boom of sea creature in California and whalesare not the only ones. 查看材料