鼻咽癌常通过哪里侵犯颅内（）
A.棘孔
B.圆孔
C.颈静脉孔
D.破裂孔
E.蝶鞍
参考答案：D
简述宪法是国家的根本法。
Tired, Jim was fast asleep with his back ____ a big tree.
A．in
B．below
C．beside
D．against
