如果颅脑损伤病人从口腔和鼻腔流出脑脊液，提示骨折部位在（）。
A.颅前窝
B.颅后窝
C.颧骨
D.颅中窝
E.上颌骨
参考答案：A
---what’s wrong with Simon ?
--- He is feeling because he didn’t pass the exam.
A．blue
B．red
C．yellow
D．green
