【单选题】【消耗次数：1】
培养基各试剂应使用（）纯
①
化学
②
分析
③
色谱
④
普通
参考答案：
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【简答题】
增菌培养基
【简答题】
血培养时取血量一般以肉汤培养基的[填空(1)]为宜。注入培养基的血液应立即轻摇和培养基充分混合，防止[填空(2)]。
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wide
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Never mind.
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It’s a pleasure.
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they had arrived
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