单项选择题

17.细菌的形态、大小、染色体、生物活性等性状最典型的细菌生长期是(     )A.
迟缓期  B.
对数生长期  C.
稳定期   D.
衰退期 E.
以上均可

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多项选择题

Which of the following are types of support which can be used in arguments?

A.Emotional appeals.
B.Evidence.
C.Reason.
D.Values.

问答题

dimension