—I’ll come to see your performance at 9:00 tomorrow evening.

—I’m sorry, but by then my performance ____ and I ____ reporters in the meeting room.

A．will have ended; will be meeting

B．will end; will meet

C．will be ended; am going to meet

D．is to end; will meet

下列关于水中悬浮物测定的描述中，不正确的是：（）。

A．水中悬浮物的理化特性对悬浮物的测定结果无影响

B．所用的滤器与孔径的大小对悬浮物的测定结果有影响

C．截留在滤器上物质的数量对悬浮物的测定结果有影响

D．滤片面积和厚度对悬浮物的测定结果有影响