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【单选题】
下列哪种方法是我国提取柠檬酸发普遍使用的方法？A.
萃取法
B.
离子交换法
C.
电渗析法
D.
钙盐法
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反馈参考答案：
举一反三
【单选题】(Figure: Strawberries and Submarines) Suppose the economy is operating at point G. This implies that:
A.
the economy can move to a point such as C only if it improves its technology.
B.
the economy is experiencing unemployment and/or inefficient allocation of resources.
【单选题】In the figure, suppose the economy is at point B. Which of the following policy options for the Fed will move the economy toward its LAS?
A.
lower the federal funds rate
B.
raise the federal funds rate
C.
decrease the government's budget deficit
D.
decrease taxes
【单选题】Suppose the economy is currently operating on both the LM curve and the IS curve. Which of the following is true for this economy?
A.
Production equals demand.
B.
The quantity supplied of bonds equals the quantity demanded of bonds.
C.
The money supply equals money demand.
D.
Financial markets are in equilibrium.
E.
all of the above
【单选题】Suppose an economy's expenditures are equal to $7,000 billion. Income in the economy is
A.
less than $7,000 billion.
B.
more than $7,000 billion.
C.
exactly $7,000 billion.
D.
Somewhere between $7,000 billion and $8,000 billion.
【简答题】In the figure, suppose the economy is at point D. If the Fed eases to fight the recession, the economy will move toA. point A. B. point B. C. point C. D. Either point A or point C, depending on precis...
【单选题】In the figure, suppose the economy was initially in an equilibrium at point D. Where would the economy move if the Fed makes an open market purchase of government securities?
A.
B.
C.
D.
D, that is, the economy would not change its equilibrium.
【单选题】Suppose that an economy is in an inflationary gap in the short run. In the long run:
A.
. the economy's self-correcting mechanism will restore GDP to its potential level.
B.
. inflation will spiral unless the government takes dramatic fiscal measures.
C.
. sustained inflation will reduce the value of money.
D.
. fiscal and monetary policies may lower prices, but output will remain higher than potential level.
【单选题】Suppose the economy is in a short-run equilibrium, where the actual output is greater than potential output, then the economy is in:
A.
an inflationary gap, nominal wages will increase and SRAS will shift to the left until the actual GDP is equal to the potential GDP in the long run.
B.
a recessionary gap, nominal wages will decrease and AD will shift to the left until the actual GDP is equal to the potential GDP in the long run.
C.
an inflationary gap, prices of goods will increase and AD will shift to the right until the economy is in long-run equilibrium.
D.
a recessionary gap, prices of goods will decrease and LRAS will shift to the left until the economy is in long-run equilibrium.
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