按污水在池中的流型和混合特征，活性污泥法可分为生物吸附法和完全混合法。
参考答案：错
If you meet a stranger with familiar gestures, your brain is most likely to say_______.
A.“He is familiar and safe.”
B.“He is new and potentially threatening.”
C.“I like this person.”
D.“This is new, I don’t like this person.”
茅盾从事小说创作之前的文学活动主要有哪些方面？
