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【单选题】
相邻两个小数计数单位之间的进率是多少A.
10
B.
100
C.
1000
D.
无法确定
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反馈参考答案：
举一反三
【简答题】根据音标写单词/ˈmʌðə(r)/
【单选题】Which is not a significant difference between manufacturing and service operations?
A.
cost per unit
B.
uniformity of output
C.
labor content of jobs
D.
customer contact
E.
measurement of productivity
【单选题】Distinctive characteristics of service operations include which of the following?
A.
customer participation and perishability
B.
intangibility and heterogeneity
C.
(a) and (b)
D.
none of the above
【多选题】List five important differences between goods production and service operations.
A.
The nature and consumption of output.
B.
Uniformity of input.
C.
Labor content of jobs.
D.
Uniformity of output.
E.
Measurement of productivity.
【简答题】计算分析题：设消费函数C=100+0.75Y,投资函数I=20-2r，货币需求函数L=0.2Y-0.5r,货币供给M=50。价格水平为P。求：（1）总需求函数；（2）当价格为10和5时的总需求；（3）政府购买增加50时的总需求曲线并计算价格为10和5时的总需求；（4）货币供给增加20时的总需求函数。
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