单项选择题

What does the "invisible hand" refer to

A．Supply and demand.
B．Laissez faire.
C．Self-interest.
D．Non-interference from the government.
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单项选择题
What is the essence of Adam Smith's economic philosophy
A．Self-interest is irrelevant to economic growth.
B．People are generally not interested in the public interest.
C．Government shouldn't intervene in economy.
D．Economic forces should be regulated to promote public interest.
单项选择题
What sets apart the Green EFL program from other EFL programs
A．A natural and enjoyable setting.
B．Encouraging learner autonomy.
C．A large amount of material available.
D．Doing project work.
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