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NO.312
中等
00:00
本题平均耗时：1分51秒
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正确率：57%
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题目来源 : 2022高频填空
Select one entry for the blank. Fill the blank in the way that best completes the text.

Central control of the country’s power grid is difficult because of the      of the electricity industry—it is made up of hundreds of local networks with separate owners.

bifurcation

interdependence

nationalization

tractability

balkanization

Select one answer choice. 

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