单项选择题

According to the passage, the price system is related primarily to ______.

A．labor and education
B．transportation and insurance
C．utilities and services
D．products and services
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单项选择题
The best title for the passage is ______.
A．The Inherent Weaknesses of the Price System
B．The Complexities of the Price System
C．Credit Terms in Transactions
D．Resource Allocation and the Public Sector
单项选择题
When the author uses the expression it is a long shrug in referring to Bowles's book, he is commenting on the ______.
A．length of the novel
B．indifference to the moral behavior of the characters
C．monotony of the story
D．sensational depravities of the book
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