2. 外语
  3. It’s implied in the first paragraph that some people possessed productive labor except ______. What idea helps accelerate the d

It’s implied in the first paragraph that some people possessed productive labor except ______. What idea helps accelerate the d

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问题 It’s implied in the first paragraph that some people possessed productive labor except ______.
What idea helps accelerate the development of the society?
选项 A、The diffusion of new knowledge.
B、The use of energy.
C、Exploration of technologies.
D、Free, open market.
答案D
解析 前三选项是这一观念的具体实践，这一观念还包括自由市场和开放的贸易，答案选项是其中之一。
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