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搜题
【单选题】
Market failure is the inability ofA.
buyers to interact harmoniously with sellers in the market.
B.
a market to establish an equilibrium price.
C.
buyers to place a value on the good or service.
D.
some unregulated markets to allocate resources efficiently.
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举一反三
【单选题】Media hype :
A.
attempts to make the public interested in a product by saying how good it is on television, radio, etc.
B.
attempt to make the public disappointed with a product by saying how bad it is on television, radio, etc.