细菌性痢疾的传染源可以是A.苍蝇B.病人C.老鼠D.带菌者E.蟑螂

作者: rantiku 人气: - 评论: 0
问题 细菌性痢疾的传染源可以是
选项 A.苍蝇 B.病人 C.老鼠 D.带菌者 E.蟑螂
答案 BD
解析

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