感的传播途径主要是(  )A.经空气传播B.接触传播C.垂直传播D.经食物传播E.医源性传播

作者: rantiku 人气: - 评论: 0
问题 感的传播途径主要是(  ) A.经空气传播 B.接触传播 C.垂直传播 D.经食物传播 E.医源性传播
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答案 A
解析

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