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2018年中考化学真题分类汇编4化学与社会发展考点19化学及其应用3化学与人体健康4综合抽烟的好处（无答案）.doc

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1考点 19 化学及其应用（18 连云港）24.每年的 5 月 31 日是“世界无烟日”。下列说法不正确的是A.吸烟损害大脑,使人记忆力减退B.长期吸烟易患肺气肿、肺癌等疾病C.吸烟有害健康，但“二手烟”对人体无害D.香烟烟气中的 CO、尼古丁等对人体危害很大（ 18 兰 州 ） 6.烟草燃烧时释放的烟雾中含有 3800 多 种 已 知 化 学 物 质 ， 绝 大 部 分 对 人 体有 害 。 其 中 易 与 人体血液中血红蛋白结合的一种有毒物质是（ ）A.一氧化碳 B.尼古丁 C.焦油 D.苯 并 芘

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