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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
admin
2010-01-10
57
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.
The artificial joint with ______ , being a good imitation of natural bone protein, can attract bone cells and become quickly incorporated into the body.
选项
答案
a nanotube coating
解析
参见最后一段:...Fenniri has made a nanotube coating for the artificial joint. It’s a very good imitation Of collagen,a natural protein that is part of bone.As a result,the coating attracts bone cells.This is important because bone growth helps integrate an artificial joint into the body
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0
大学英语六级
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