题目内容

乳酸菌是一类能够利用糖类大量合成乳酸的好氧细菌。

A. 对
B. 错

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活性乳酸菌饮料也具有和酸乳同等的营养价值。

A. 对
B. 错

酸奶若析出乳清,说明已经变质了,不能食用。

A. 对
B. 错

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