肺泡表面活性物质减少将会使
A．肺弹性阻力减小B．肺顺应性增大C．肺泡内液体层表面张力减小D．小肺泡内压大于大肺泡内压
参考答案：D
教育评价依据其评价主体可分为形成性评价与总结性评价。（ ）
The official number of a documented vessel is（）.
A.not required to be anywhere on the vessel
B.required to be permanently marked on the vessel's structure
C.required to be painted on the vessel;s stern
D.required to be painted on the vessel's bow
