肺癌的病因复杂,肺癌病因包括A、长期缺乏维生素A、维甲类、β胡萝卜素和微量元素(锌、硒)等B、遗传因素C、石棉D、氡气E、吸烟

作者: rantiku 人气: - 评论: 0
问题 肺癌的病因复杂,肺癌病因包括
选项 A、长期缺乏维生素A、维甲类、β胡萝卜素和微量元素(锌、硒)等 B、遗传因素 C、石棉 D、氡气 E、吸烟
答案 ABCDE
解析

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