单项选择题
According to the passage, who has the greatest degree of control in an administered system（）
A．Individual households.
B．Small businesses.
C．Major corporations.
D．The government.
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相关考题
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单项选择题
According to the passage, a barter economy can lead to （）
A．rapid speed of transactions
B．misunderstandings
C．inflation
D．difficulties for the traders -
单项选择题
What is the main purpose of the passage（）
A．To outline contrasting types of economic system.
B．To explain the science of economics.
C．To argue for the superiority of one economic system.
D．To compare barter and money-exchange markets. -
单项选择题
Which of the following is NOT mentioned by the author as a criterion (标准) for determining a person's place in a traditional society（）
A．Family background.
B．Age.
C．Religious belief.
D．Custom.
