属于鉴别培养基的是 ["A．蛋白胨水培养基","B．血平板培养基","C．肉汤培养基","D．普通琼脂培养基","E．伊红亚甲蓝培养基"] 多数病原菌生长的最适pH为 ["A．6．6～7．0","B．7．2～7．6","C．7．8～8．2","D．8．4～8．8","E．6．2～6．6"] 多数病原菌繁殖一代所需时间为 ["A．20～30s","B．20～30min","C．2～3h","D．2～3d","E．2～3周"] 青霉素抗菌作用的机制是影响 ["A．细胞壁的合成","B．细胞膜的合成","C．蛋白质的合成","D．核酸的复制","E．膜蛋白通道"] 选择培养基是 ["A．肉汤培养基","B．血平板培养基","C．SS培养基","D．蛋白胨水培养基","E．普通琼脂培养基"] 异养菌