肺间质包含下述哪些成分()
A.肺泡间隔
B.小叶间隔
C.肺泡管
D.肺泡壁
E.支气管及血管的周围组织
参考答案:A, B, E
I know _____ of them are Young Pioneers. [ ]
A. much
B. more
C. most
D. the most
呼吸链位于
A.线粒体内膜B.线粒体外膜C.细胞膜D.核膜E.内质网膜