—What’s the weather like tomorrow，John?

—Well，I______it，for the scenic pictures drew my attention as the weather forecast was going on.

A．was missing

B．missed

C．will miss

D．had missed

暖气片对室内空气的加热是通过下列过程实现的（）

A.对流换热；

B.辐射换热；

C.导热和对流换热；

D.复杂的复合换热过程。