2. 专升本
  3. A、what role the market system plays in producing public goods B、how weak the market system is in producing public goods C、why so

A、what role the market system plays in producing public goods B、how weak the market system is in producing public goods C、why so

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问题
选项 A、what role the market system plays in producing public goods
B、how weak the market system is in producing public goods
C、why some people refuse to pay for public goods
D、what we can do not make use of the market system
答案B
解析 细节判断题。通过本题第一句The market system doesn’t work well in…可得知B。
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