单项选择题

The passage is mainly about ______.

A．how American goods are produced
B．how American consumers buy their goods
C．how American economic system works.
D．how American businessmen make their profits.

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单项选择题

According to the passage, a private enterprise economy is characterized by ______.

A．private property and rights concerned.
B．manpower and natural resources control
C．ownership of productive resources
D．free contracts and prices

单项选择题

The word embrace (Sent. 2, Para. 3) may convey the meaning of ______.

A．hugs
B．includes
C．excludes
D．demands