PASSAGE FOUR [br] What can microorganisms be divided into according to the passa

游客2023-12-03  14

问题 PASSAGE FOUR [br] What can microorganisms be divided into according to the passage?

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答案 Beneficial ones and nasty ones.

解析 第1段提到,对人体有益的细菌的数量远远大于有害细菌的数量,由此可知,细菌可以分为有益菌和有害菌,故答案为Beneficial ones and nasty ones。
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