What is the benefit of the revolution mentioned in the first paragraph? Compared to common electrical conductors, superconducto

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问题 What is the benefit of the revolution mentioned in the first paragraph?
Compared to common electrical conductors, superconductors

选项 A、have little or no electrical resistance.
B、can be used for a long time.
C、are not energy-efficient.
D、can be made easily.

答案A

解析

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职称英语理工类A级

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