单项选择题

A) markers C) factor
B) basis D) component

A．markers
B．basis
C．factor
D．component
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单项选择题
According to the passage, what is the characteristic of a private-enterprise economy
A．Private property.
B．Manpower and natural resources control.
C．Ownership of productive resources.
D．Free contracts and prices.
单项选择题
What does the passage mainly talk about
A．How American goods axe 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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