关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 公告:维护QQ群:833371870,欢迎加入!公告:维护QQ群:833371870,欢迎加入!公告:维护QQ群:833371870,欢迎加入! 2022-06-09 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 答案: 查看 举一反三 Wallace Hume Carothers is the inventor of nylon and neoprene. 【单选题】美国化学家华莱士·休姆·卡罗瑟斯(Wallace Hume Carothers)发明了() A. 腈纶 B. 涤纶 C. 氯纶 D. 尼龙 App Inventor是一款可视化的编程软件。 A: 正确 B: 错误 the residue of nylon marine cardage Strings of the same thickness made of nylon are ______.