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【单选题】
保证血氨正常的关键是( )A.
氨转变成氨基酸分子上的氨基
B.
氨直接从肾脏排出
C.
由肺
D.
在肝脏中合成尿素
E.
氨与代谢过程中产生的酸中和，形成铵盐
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【单选题】You have accessed the following spot rates: U.S. dollar per pound = 1.50 Yen per U.S. dollar = 100.0 What is the exchange rate yen per pound?
A.
0.01 yen per pound
B.
0.015 yen per pound
C.
66.67 yen per pound
D.
150 yen per pound
【单选题】If the dollar _________ from 1.2 euros per dollar to 0.8 euros per dollar, the euro _________ from 0.83 dollars to 1.25 dollars per euro.
A.
appreciates; appreciates
B.
appreciates; depreciates
C.
depreciates; depreciates
D.
depreciates; appreciates
【单选题】When the exchange rate changes from 0.9 euros per dollar to 1.0 euros per dollar, then
A.
the euro has appreciated and the dollar has appreciated.
B.
the euro has depreciated and the dollar has appreciated.
C.
the euro has appreciated and the dollar has depreciated.
D.
the euro has depreciated and the dollar has depreciated.
【简答题】A．One more dollar for every night. B．An extra dollar per child per hour. C．10.23% of her college tuition. D．10.32% above the average charge.
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