下列选项属于评价要素设计原则的是（）
A.针对性原则
B.选择性原则
C.内涵明确原则
D.操作性原则
参考答案：A, B, C, D
—What's wrong with your uncle, Mary?
—He's ill. A doctor _ . [ ]
A. has to look for
B. is being operated on
C. has been sent for
痉证的主要病机是（）
A．经络闭阻
B．气机不和
C．血行不畅
D．筋脉失养
E．骨髓失充
