单项选择题

A．individual householdsB．major corporationsC．small busi……

According to the passage, ______ has the greatest degree of control in an administered system.

A．individual households
B．major corporations
C．small businesses
D．the government

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单项选择题What is the main purpose of the passage

A．To outline contrasting types of economic systems.
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According to the passage, a barter economy can lead to ______.

A．rapid speed of transaction
B．inflation
C．misunderstandings
D．difficulties for the traders

单项选择题In the second paragraph, the word real in real goods could best be replaced by ______.

A．high quality
B．concrete
C．utter
D．authentic

单项选择题Which of the following is not mentioned by the author as a criterion for determining a person's place in a traditional society

A．Family background.
B．Religious beliefs.
C．Age.
D．Custom.

单项选择题The author seems to suggest getting to know ______ is critical to market success.

A．consumers' problems
B．consumers' motives
C．consumers' experience
D．consumers' needs