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【单选题】
新生儿排出胎便的正常时间是A.
12h内
B.
18h内
C.
24h内
D.
36h内
E.
48 h内
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举一反三
【简答题】Pick a point on an indifference curve for wine and cheese and show the marginal rate of substitution. What does the marginal rate of substitution tell us?
【单选题】The marginal rate of substitution is
A.
the rate at which the consumer will give up one good to get an additional unit of another good while remaining on the same indifference curve.
B.
the rate at which utility increases as the consumer increases purchases of a good, holding purchases of the other good constant.
C.
the rate at which a consumer will exchange a good for income holding prices constant.
D.
None of the above answers is correct.
【多选题】统计数据的来源可分为直接来源和间接来源,以下属于直接来源的是
A.
从统计公报、年鉴中查阅得到的数据
B.
自己（或本团队）调查得到的数据
C.
自己（或本团队）实验得到的数据
D.
多选题
【判断题】The marginal rate of substitution between goods A and B measures the price of A relative to the price of B.()
A.
正确
B.
错误
【简答题】按照数据来源划分,大数据的三大主要来源为商业数据、 与物联网数据。
【单选题】If the marginal rate of technological substitution (MRTS) is more than the price ratio of labor over capital (w/r), then to minimize cost the firm should ______ the input of capital and ______ the inp...
A.
increase, decrease
B.
decrease, increase
C.
decrease, decrease
D.
increase, increase
【简答题】大数据的来源非常广泛,按照数据结构可分为()、()和非结构化数据;按照数据产生源可以分为商业数据、()和()。(掌握)
【单选题】The marginal rate of substitution
A.
is minus the slope of the indifference curve.
B.
can be computed by measuring the curvature of the indifference curve.
C.
cannot be deduced from the properties of the indifference curve.
D.
can only be computed if we know the prices of all goods.
相关题目：
【多选题】统计数据的来源可分为直接来源和间接来源,以下属于直接来源的是
A.
从统计公报、年鉴中查阅得到的数据
B.
自己（或本团队）调查得到的数据
C.
自己（或本团队）实验得到的数据
D.
多选题
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