• 2022-06-09 问题

    Wallace Hume Carothers is the inventor of nylon and neoprene.

    Wallace Hume Carothers is the inventor of nylon and neoprene.

  • 2022-06-09 问题

    Wallace Hume Carothers is the inventor of nylon and neoprene. A: 正确 B: 错误

    Wallace Hume Carothers is the inventor of nylon and neoprene. A: 正确 B: 错误

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