炭疽最主要的传染源是 ( )A.病人B.病原携带者C.猪、牛、羊等食草动物D.肉食动物E.哺乳动物

作者: rantiku 人气: - 评论: 0
问题 炭疽最主要的传染源是 ( )
选项 A.病人 B.病原携带者 C.猪、牛、羊等食草动物 D.肉食动物 E.哺乳动物
答案 C
解析

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