单项选择题

What does the passage mainly talk about

A．The development of home and market economies.
B．The economy of developed nations.
C．The history of art.
D．How to make money.
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单项选择题
The reason why many production processes were taken over by the marketplace was that______.
A．it was a necessary step in the process of industrialization
B．they depended on electricity available only to the market economy
C．it was troublesome to produce such goods in the home
D．the marketplace was more efficient with respect in these processes
单项选择题
During the second stage, if the family wanted to consume new goods and services, they had to enter the marketplace______.
A．as wage earners
B．both as manufacturers and consumers
C．both as workers and purchasers
D．as customers
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