用画线单词的反义词填空。

1. Miss Liu is young. Miss Yang is _____________.

2. My English teacher has long hair. My P. E. teacher has _____________ hair.

3. My music teacher has a small nose and two _____________ eyes. She's very beautiful.

4. Mr Wang is a _____________ man, but Mr Zhang is a thin man.

COPD并Ⅱ型呼吸衰竭（）

A.抗生素治疗

B.低流量吸氧

C.无创机械通气

D.解痉平喘

E.有创机械通气