26. The main purpose of the passage is______.
A. to outline different types of economic systems
B. to explain the science of economics
C. to argue that one economic system is better than the others
D. to compare barter and money-exchange markets
27. In the second paragraph, the word real could best be replaced by______.
A. high quality B. special
C. actual D. exact
28. Which of the following statements is TRUE according to the passage?
A. The author prefers the market system to either the administered system or the traditional system.
B. In an administered system only the government makes decision.
C. In a market economy services can be sold or bought.
D. The traditional system is good for a society which asks for little progress.
29. According to the passage, a barter economy can lead to______.
A. rapid speed of transaction B. misunderstanding
C. inflation D. difficulties for traders
30. According to the passage, who has the greatest degree of control in an administered system?
A. Individual household. B. Major corporations.
C. Small businesses. D. The government.
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