— Why not come and join us in the game?

— ______. But I must finish my homework first.

A．I hope not

B．I’m very tired

C．I think so

D．I’d love to

吸滤池、无阀滤池和移动罩滤池宜采用小阻力配水系统，其孔眼总面积与滤池面积之比为（）。

A、1.0％～1.5％

B、1.5％～2.0％

C、0.2％～0.28％

D、0.6％～0.8％