The word “economy” comes from the Greek word oikonomos, which means（）
A. “environment.”
B. “production.”
C. “one who manages a household.”
D. “one who makes decisions.”
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Adam Smith’s “invisible hand” refers to（）
A. the subtle and often hidden methods that businesses use to profit at consumers’ expense
B. the ability of free markets to reach desirable outcomes, despite the self-interest of market participants
C. the ability of government regulation to benefit consumers,even if the consumers are unaware of the regulations
D. the way in which producers or consumers in unregulated markets impose costs on innocent bystanders
Which of the following products would be considered scarce（）
A. bread
B. baseballs autographed by Babe Ruth
C. motorcycles
D. All of the above are correct
Which of the following is true（）
A. Efficiency refers to the size of the economic pie; equality refers to how the pie is divided
B. Government policies usually improve upon both equality and efficiency
C. As long as the economic pie continually gets larger, no one will have to go hungry
D. Efficiency and equality can both be achieved if the economic pie is cut into equal pieces
Which of the following statements is true about the Chinese language（）
A. Chinese sentences have no subjects
B. Subject in Chinese is optional
Chinese sentences cannot do without subjects
D. Chinese sentences needn’t follow grammatical rules
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