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搜题
【单选题】
药材蛤蚧的性状特征是
A.
吻鳞切鼻孔
B.
有眼睑,无吻鳞
C.
有眼睑,具2个异形大齿
D.
尾长为体长的两倍
E.
无眼睑,吻鳞不切鼻孔,
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【单选题】In an open economy, private saving is equal to ( )
A.
I - CA + (G - T).
B.
I + CA - (G - T).
C.
I + CA + (G - T).
D.
I - CA - (G - T).
E.
I + CA + (G + T).
【单选题】2-12.在应力变化中,如果周期、应力幅和平均应力有一个变化,则称为 。
A.
稳定变 应 力
B.
非稳定 变 应力
C.
非对称 循 环变应力
D.
脉动循 环 变应力
【判断题】In an open economy, national saving can be less than investment.
A.
正确
B.
错误
【单选题】In an open economy, national saving equals
A.
domestic investment plus net capital outflow.
B.
domestic investment minus net capital outflow.
C.
domestic investment.
D.
net capital outflow.
【单选题】机械零件的最大应力、最小应力、应力比、平均应力、应力幅五个参量中,只需要知道( )就能算出其余几个参量。
A.
2个
B.
3个
C.
4个
D.
1个
【单选题】A government has a budget deficit in an open economy. This means:
A.
the government is spending less than its tax revenue.
B.
exports minus imports are zero.
C.
exports minus imports are positive.
D.
the government is spending more than its tax revenue.
【单选题】Which of the following equals demand in an open economy?
A.
C + I + G + X
B.
C + I + G + X - IM
C.
C + I + G + IM - X
D.
C + I + G
【单选题】Which of the following equations will always represent GDP in an open economy?
A.
S = I - G
B.
I = Y - C + G
C.
c. Y = C + I + G
D.
Y = C + I + G + NX
【单选题】In an open economy, total investment equals:
A.
national savings plus capital inflow.
B.
private savings plus national savings plus capital inflow.
C.
private savings plus capital inflow.
D.
national savings minus private savings minus capital inflow.
【单选题】27) In an open economy under flexible exchange rates, expansionary monetary policy that results in an increase in the money supply will always cause
A.
an increase in output.
B.
an increase in exports.
C.
a reduction in the exchange rate, E.
D.
all of the above
E.
only A and C
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