- What TV programs are you watching these days?

- Well, I’d rather read than watch TV. The programs seem ________ all the time.

A．to get worse

B．getting worse

C．to be getting worse

D．to have got worse

诊断阻塞性肺气肿最重要的肺功能指标是（）。

A.潮气量

B.肺活量残气量

C.最大通气量

D.静息每分钟通气量

E.残气量及残气量／肺总量测定