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Gaokao Chemistry Practice Question

我国为人类科技发展作出巨大贡献。下列成果研究的物质属于蛋白质的是

  1. A.陶瓷烧制
  2. B.黑火药
  3. C.造纸术
  4. D.合成结晶牛胰岛素

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