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

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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