斜板隔油池的优点主要表现为（）
A.增加了处理量
B.缩短了油珠上浮的距离
C.占地面积小
D.提高单位池容的分离表面
参考答案：A, B, C, D
— Do you know Sam didn’t pass the swimming test this time?
—_____________ His coach said he was the best one in his team.
A．So what?
B．How come?
C．Not at all.
D．I don’t think so.
建筑中水后处理阶段是对中水供水水质要求很高时进行的深度处理，可采用的方法有______。
A．膜处理
B．消毒
C．气浮
D．活性炭吸附
