用方框内所给词或短语的适当形式填空

1. He _______ thinking that she wouldn't come after all.

2. What program is on _______ 2?

3. We've been having _______ weather recently.

4. There are _______ 2,000 students in the cinema.

5. The _______ of this music is exciting.

6. We're going away _______ .

7. She likes the country, _______ in spring.

COPD病人上腹部术后易出现肺部并发症，最常见的诱发因素是()

A．上腹部肌肉受损

B．循环不稳定

C．感染

D．引流不畅

E．膈肌功能受损和咳嗽受抑制