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.
Nanotechnology is the study and manipulation of the very small matters such as atoms, molecules and viruses.
选项
答案N
解析 参见第四段第一句：Nano一词源于希腊语，表示“侏儒”。纳米技术就是对小于100纳米的物质的研究与应用，这些物质就相当于分子或病毒的大小。
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大学英语六级

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