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What can be concluded when the current tide of knowledge revolution ebbs?A.Productivity will rise.B.Productivity will receive no impact.C.Population growth will slow down.D.Population growth will become accelerated.

A.Productivity
B.B.Productivity
C.C.Population
D.D.Population

【参考答案】

C

[注释] 从文中所提到的三次人口的重大变化中可知，每次增长后又开始趋于稳定......

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