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【单选题】
水中的某些重金属污染物又可以被微生物转化为新的重金属化合物，使水的污染程度加重。例如，水中的氯化汞会发生下列变化：HgCl 2 +CH 4 微生物 CH 3 HgCl + HCl。下列说法中不正确的是A.
HgCl 2 转化为CH 3 HgCl的反应属于取代反应
B.
在沼气池的水中HgCl 2 更容易转化为CH 3 HgCl
C.
误服含HgCl 2 的废水可使蛋白质发生盐析
D.
HgCl 2 比CH 3 HgCl毒性小
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【单选题】The International Fisher Effect suggests that
A.
any forward premium or discount is equal to the expected change in the exchange rate.
B.
any forward premium or discount is equal to the actual change in the exchange rate.
C.
the nominal interest rate differential reflects the expected change in the exchange rate.
D.
an increase (decrease) in the expected inflation rate in a country will cause a proportionate increase (decrease) in the interest rate in the country.
【单选题】The International Fisher Effect suggests that
A.
Any forward premium or discount is equal to the expected change in the exchange rate.
B.
Any forward premium or discount is equal to the actual change in the exchange rate
C.
The nominal interest rate differential reflects the expected change in the exchange rate.
D.
An increase (decrease) in the expected inflation rate in a country will cause a proportionate increase (decrease) in the interest rate in the country.
【单选题】The Fisher effect says that ( )
A.
the nominal interest rate adjusts one for one with the inflation rate.
B.
the growth rate of the money supply is negatively related to the velocity of money.
C.
real variables are heavily influenced by the monetary system.
D.
All of the above are correct.
【单选题】The Fisher effect ( )
A.
says the government can generate revenue by printing money.
B.
says there is a one for one adjustment of the nominal interest rate to the inflation rate.
C.
explains how higher money supply growth leads to higher inflation.
D.
explains how prices adjust to obtain equilibrium in the money market.
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