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【简答题】
在紫外光谱中，350nm以上没有吸收峰的化合物是( )。 A． B． C． D． 在紫外光谱中，350nm以上没有吸收峰的化合物是(    )。
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【单选题】Suppose that the marginal propensity to consume is 0.8, and investment spending increases by $100 billion. The increase in aggregate demand is:
A.
$100 billion, the amount of investment spending.
B.
$125 billion, composed of $100 billion in investment spending and $25 billion in consumption.
C.
$80 billion, composed of $100 billion in investment spending and a decrease in consumption of $20 billion.
D.
$500 billion, composed of $100 billion in investment spending and $400 billion in consumption.
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【单选题】Real domestic investment spending is:
A.
positively related to the marginal propensity to consume.
B.
negatively related to the level of interest rates in the economy.
C.
ositively related to government spending.
D.
negatively related to the exchange rate.
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【单选题】Real domestic investment spending is:
A.
positively related to the marginal propensity to consume.
B.
negatively related to the level of interest rates in the economy.
C.
positively related to government spending.
D.
negatively related to the exchange rate.
查看完整题目与答案
【单选题】The savings–investment spending identity says that:
A.
each person in the economy must invest as much as he or she saves.
B.
savings and investment spending are always equal for the economy as a whole.
C.
savings must equal government investment for the economy as a whole.
D.
each person in the economy must save as much as he or she invests.
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【单选题】Planned investment spending:
A.
.  is positively related to the interest rate.
B.
.  is negatively related to the interest rate.
C.
.  is independent of the interest rate.
D.
.  moves in the same direction as does the market interest rate.
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【单选题】According to the savings–investment spending identity:
A.
savings and investment spending are always equal for the economy as a whole.
B.
for long-run economic growth savings must be more than investment spending.
C.
for long-run economic growth savings must be less than investment spending.
D.
the identity of savers and investors is important for encouraging long-run economic growth.
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【单选题】Investment spending is:
A.
spending on productive physical capital.
B.
spending on bonds.
C.
spending on shares of stock.
D.
spending on productive physical capital, on bonds, and on shares of stock.
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【单选题】口腔流行病学的作用不是用于
A.
统计资料的整理分析
B.
研究疾病流行的影响因素
C.
研究疾病预防措施的效果
D.
研究和规划保健工作
E.
描述疾病的分布规律
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【判断题】在准时化生产中，生产一个产品要花多少时间，是由市场的订单数量来决定的，而不是由机器设备或作业人员的作业速度决定的。
A.
正确
B.
错误
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【单选题】单项数列中,某组的向上累计次数是 80,这表示总体中( )
A.
低于该组标志值的单位有 80个
B.
等于该组标志值的单位有 80个
C.
等于和低于该组标志值的单位有 80个
D.
高于该组标志值的单位有 80个
查看完整题目与答案
相关题目：
【单选题】Suppose that the marginal propensity to consume is 0.8, and investment spending increases by $100 billion. The increase in aggregate demand is:
A.
$100 billion, the amount of investment spending.
B.
$125 billion, composed of $100 billion in investment spending and $25 billion in consumption.
C.
$80 billion, composed of $100 billion in investment spending and a decrease in consumption of $20 billion.
D.
$500 billion, composed of $100 billion in investment spending and $400 billion in consumption.
查看完整题目与答案
【单选题】Real domestic investment spending is:
A.
positively related to the marginal propensity to consume.
B.
negatively related to the level of interest rates in the economy.
C.
ositively related to government spending.
D.
negatively related to the exchange rate.
查看完整题目与答案
【单选题】Real domestic investment spending is:
A.
positively related to the marginal propensity to consume.
B.
negatively related to the level of interest rates in the economy.
C.
positively related to government spending.
D.
negatively related to the exchange rate.
查看完整题目与答案
【单选题】The savings–investment spending identity says that:
A.
each person in the economy must invest as much as he or she saves.
B.
savings and investment spending are always equal for the economy as a whole.
C.
savings must equal government investment for the economy as a whole.
D.
each person in the economy must save as much as he or she invests.
查看完整题目与答案
【单选题】Planned investment spending:
A.
.  is positively related to the interest rate.
B.
.  is negatively related to the interest rate.
C.
.  is independent of the interest rate.
D.
.  moves in the same direction as does the market interest rate.
查看完整题目与答案
【单选题】According to the savings–investment spending identity:
A.
savings and investment spending are always equal for the economy as a whole.
B.
for long-run economic growth savings must be more than investment spending.
C.
for long-run economic growth savings must be less than investment spending.
D.
the identity of savers and investors is important for encouraging long-run economic growth.
查看完整题目与答案
【单选题】Investment spending is:
A.
spending on productive physical capital.
B.
spending on bonds.
C.
spending on shares of stock.
D.
spending on productive physical capital, on bonds, and on shares of stock.
查看完整题目与答案
【单选题】口腔流行病学的作用不是用于
A.
统计资料的整理分析
B.
研究疾病流行的影响因素
C.
研究疾病预防措施的效果
D.
研究和规划保健工作
E.
描述疾病的分布规律
查看完整题目与答案
【判断题】在准时化生产中，生产一个产品要花多少时间，是由市场的订单数量来决定的，而不是由机器设备或作业人员的作业速度决定的。
A.
正确
B.
错误
查看完整题目与答案
【单选题】单项数列中,某组的向上累计次数是 80,这表示总体中( )
A.
低于该组标志值的单位有 80个
B.
等于该组标志值的单位有 80个
C.
等于和低于该组标志值的单位有 80个
D.
高于该组标志值的单位有 80个
查看完整题目与答案