单项选择题

On what does the efficiency of a nation depend

A．Every individual.
B．Its machines.
C．Its wealth.
D．Its power.
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单项选择题
What plays an essential role in making the nation prosperous according to this passage
A．Its money.
B．Its trade.
C．Its natural resources.
D．Its peopl
单项选择题
The passage suggests that the benefit from natural resources is mainly enjoyed by ______.
A．the government
B．the monopolies
C．the businessmen
D．the people
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