诊断颅底骨折最确切的依据是
A．头面部受暴力史
B．眼睑青紫
C．X线片示额骨线形骨折
D．鼻出血
E．脑脊液鼻漏
参考答案：E
She has breakfast at six every day, ________?
A．has she
B．hasn’t she
C．does she
D．doesn’t she
关于片剂的特点叙述错误的是
A.剂量准确
B.质量较稳定
C.生物利用度高于胶囊剂
D.可以实现定位给药
