形成脑疝的根本条件是（）
A.颅内肿瘤
B.颅脑损伤
C.剧烈头痛，频繁呕吐
D.腰椎穿刺放脑脊液
E.颅内各分腔压力分布不均衡
参考答案：E
This restaurant has become popular for its wide ________ of foods that suit all tastes and pockets.[ ]
A. circle
B. range
C. area
D. division
高钠血症见于（）.
A.原发性醛固酮增多症
B.腹泻
C.肾上腺功能低下
D.慢性肾衰
E.肠瘘
