先天性畸形有（）
A.强直性脊柱炎
B.先天性斜颈
C.骨质疏松症
D.先天性髋关节脱位
E.骨性关节炎
参考答案：B, D
“WES”征
A．(A) When you just have a raise in salary.
B．(B) When you have found a better job.
C．(C) When you are the only one to leave.
D．(D) When you are asked to resign.
