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【判断题】
保险储备有利于降低缺货成本,但增加了订货成本。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】旅行社招徕、组织、接待旅游者提供的相关旅游服务，主要包括哪些?
【单选题】According to www.oecd.org, the United States spends a larger portion of expenditures on higher education compared to any other country. Increasing the amount of higher education produces
A.
rightward shifts in the U.S. long-run aggregate supply curve
B.
. movements up along the U.S. aggregate demand curve
C.
I. increases in U.S. human capital.
D.
I and III only.
E.
I, II and III.
F.
II and III only.
G.
III only.
【单选题】霍桑效应告诉我们的是:
A.
多和孩子交流，有助于学习和生活。
B.
主要是听孩子倾诉，让他有所发泄，从而健康成长。
C.
主要是大人要多讲道理。
D.
显示大人和孩子平等。
【单选题】Suppose the economy was initially in a long-run equilibrium. Then the world economy expands so that foreign incomes rise. U.S. aggregate demand ( ) and eventually the money wage rate ( ).
A.
increases; rises
B.
increases; falls
C.
decreases; rises
D.
decreases; falls
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