头痛的痛敏结构包括
A.头皮
B.头部血管
C.三叉神经
D.硬脑膜
E.脑组织
参考答案:A,B,C,D
____, all the students passed the entrance examination.
A.Much to the teacher’s satisfaction
B.To the teacher’s much satisfaction.
C.Much to the teacher’s satisfactory.
D.To the teacher’s great satisfactory
相邻矿井的分界处,必须留()。矿井以断层分界时,必须在断层两侧留有()。