评估慢性阻塞性肺疾病(COPD)严重程度的指标是以下哪一项 A．FEV1/FVC B

搜题请搜索小程序“爱下问搜题”

问题单项选择题

评估慢性阻塞性肺疾病(COPD)严重程度的指标是以下哪一项

A．FEV1/FVC
B．FEV1预计值
C．RV/TLC
D．DL_CO/VA
E．DL_CO

答案

参考答案：B

选择题

Last summer holiday, I went back to my hometown, _____ the neighbours and the house _____ I used

to be familiar with were gone.

[ ]

A. only finding; which　

B. only to find; that

C. to find; whom　

D. found; that

单项选择题

误吸下列哪项胃液对肺组织损伤最重（）

A.pH=4

B.pH=5

C.pH=6

D.pH=3

E.pH<2.5