—We were talking about the new play______, remember?

—Yes, I enjoyed it very much.

A．the other day

B．another day

C． some day

D．other day

填料塔的正常操作区域为( )。

A．(A) 液泛区

B．(B) 载液区

C．(C) 恒持液量区

D．(D) 任何区域