在稳定条件下，由于完全混合曝气池内务点的有机物浓度是一常数，所以池内各点的有机物降解速率也是一个常数。
参考答案：对
用所给词的正确形式填空
1. —Who is your _______ (close) person in your family?
—My grandmother is.
2. —Whose coats are these?
—They are the _______. (run)
3. She didn’t get better grades because of _______ (play) games too much.
4. He jumped _______ (far) than the others and he won the first prize.
5. Our teacher is so_______(humour) that we all like him.
下列资产负债表项目中，可根据总账科目期末余额直接填列的是( )。
A．长期债权投资 B．存货 C．应收账款 D．长期投资减值准备
