中央型肺癌X线表现有()
A.阻塞性肺气肿
B.阻塞性肺炎
C.阻塞性肺不张
D.倒"S"征
E.小泡征
参考答案:A, B, C, D
Wealth is important but as a matter of fact , I think , _____ is health that counts.
A.which
B.what
C.there
D.it
鉴别血尿来源时,当尿中多形红细胞超过尿中红细胞的多少时,可视为肾小球性血尿()
A.90%
B.70%
C.30%
D.10%
E.5%