肺泡表面活性物质的生理作用是
A．使肺泡趋向于缩小B．增加毛细血管滤过C．降低肺的顺应性D．降低气道阻力E．降低肺的表面张力
参考答案：E
The building is _______ [ ]
A. high enough
B. enough high
C. enough highly
D. highly enough
筋膜间隔区综合征常小血管受阻而发病。
