过热蒸汽的过热度越低说明越接近饱和状态。
参考答案：对
_____ , many people are now paying more attention to the protection of environment. [ ]
A. In general
B. In all
C. To be honest
D. In brief
具有Luschka关节的椎体是（）棘突水平伸向后方的椎体是（）椎体、横突均有关节面的椎体是（）
A.颈椎
B.胸椎
C.腰椎
D.尾椎
E.骶椎
