足背各趾缝端凹陷中，左右共八穴是（）
A.四神聪穴
B.十宣
C.八风穴
D.八邪穴
E.四缝穴
参考答案：C
— Why didn't you go to the dance last night?
— If I _____ tired, I would have. [ ]
A. were not
B. hadn't
C. haven't been
D. hadn't been
氯胺酮麻醉视觉异常可包括（）。
A．视物变形
B．复视
C．视物旋转
D．幻视
E．暂时失明
