患者，男性，60岁，咳嗽3年，每年冬季发作，每次持续3个月，有吸烟史，本例病情继续发展，最常见的并发症是（）。

A.肺部感染

B.自发性气胸

C.肺心病

D.阻塞性肺气肿

E.支气管哮喘

在空白处填入适当的单词补全对话，每空一词

A: Oh, what happened to you?

B: It’s nothing   1  .

A: But I think it is serious enough for you to be in   2  .

B: Oh, I just injured my arms.

A: Well, how did it happen?

B: This morning I was walking down the street near our factory when I found a house on fire. The door,

the windows and everything in the house were   3  . People stood in front of the house, not knowing what

to do. The   4   air and heavy smoke   5   them out, but I heard someone crying   6   in a weak voice.

A: What did you do then?

B: I got   7   all wet with some   8   and rushed into the house.

A: Did you get   9   out?

B: Yes. It was a little girl. She was then given a   10   aid. When the fire was put out, I found my arms

injured.