修订Ashworth痉挛分级增加的级别为（）。
A.1
B.2
C.3
D.1+
E.2+
参考答案：D
Her father _____ bald, but her mother _____ long, black hair.
A. is; is
B. is; has
C. has; is
D. has; has
下列是授权最根本的原则的是（）
A.视能授权
B.合理授权
C.合法授权
D.监督控制
E.权责对等
