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  3. In 2004, Professor Baughman invented a super-strong, super-light magic material

In 2004, Professor Baughman invented a super-strong, super-light magic material

游客2023-09-15  55
问题 In 2004, Professor Baughman invented a super-strong, super-light magic material and he named it "mithril" — after the precious armor in the popular filmThe Lord of Rings. [br] As one of the world’s best conductors of electricity, nanotubes can carry about ______ than copper wire.
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答案 1000 times more electrical current
解析 参见“Stunning Uses of Nanotechnology”小节部分第三段倒数第四句：They can carry some 1000 times more electricity current than copper wire．
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