组成上呼吸道的结构是A．气管B．肺段支气管C．咽部D．左、右主支气管E．叶支气管

作者: rantiku 人气: - 评论: 0

问题组成上呼吸道的结构是

选项 A．气管 B．肺段支气管 C．咽部 D．左、右主支气管 E．叶支气管

答案 C

解析

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