2. 外语
  3. In 2004, Professor Baughman invented a super-strong, super-light magic material and he named it "mithril" — after the precious a

In 2004, Professor Baughman invented a super-strong, super-light magic material and he named it "mithril" — after the precious a

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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.
As one of the world’s best conductors of electricity, nanotubes can carry about ______ than copper wire.
选项
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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