体系思想方法落地过程中，执行体系文件属于PDCA闭环管理中的（）。
A.P环节
B.D环节
C.C环节
D.A环节
参考答案：B
He felt rather __________ that she should drive the car at such a____________ speed.
A．frightening, frightening
B．frightened, frightened
C．frightening, frightened
D．frightened, frightening
“离析”的含义是什么？其如何分类？
