what is the most likely effect of killing 80％ of a colony of bacteria with a certain antibiotic
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what is the most likely effect of killing 80％ of a colony of bacteria with a certain antibiotic
并且回答,加中文,
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举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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