屈曲压缩型脊柱骨折的特点,不正确的是()。
A、椎体压缩成楔形
B、损伤可累及三柱
C、中柱高度变矮
D、椎体后上缘可破裂
E、后柱可为张力下破裂
参考答案:C
填空
1. Yao Ming is my favourite basketball player. His family name is _____ , and his given name is _____ .
2. Sam Green is from America. _____ is his family name, and _____ is his given name.
泰罗认为,补救低效能的办法在于( )
A.任务管理 B.传统管理C.过渡式管理 D.系统化管理