慢性支气管炎发展成阻塞性肺气肿的过程中最先发生的病理改变是()
A.肺泡膨胀
B.细支气管不完全阻塞
C.肺泡壁弹性减退
D.肺小动脉痉挛
E.肺纤维化
参考答案:B
Soon after the quakes,one thousand soldiers were sent out to the miners from the local coal mine.
A.shelter
B.rescue
C.bury
D.injure
身热,心烦不寐,舌红苔黄,脉细数。治宜:()
A.栀子豉汤
B.清营汤
C.翘荷汤
D.黄连阿胶汤