What is the benefit of the revolution mentioned in the first paragraph? According to the last paragraph, which of the following

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问题 What is the benefit of the revolution mentioned in the first paragraph?
According to the last paragraph, which of the following statements is NOT true?

选项 A、Other cities hope they can also conserve power.
B、Other cities hope they can use superconducting cables soon.
C、Superconductors waste less power because of their low resistance.
D、The Frisbie experiment is not successful.

答案D

解析
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