结核性脑膜炎的治疗原则为（）
A.早期给药
B.合理选药
C.联合用药
D.系统治疗
E.大量用药
参考答案：A, B, C, D
Country life provides him with peace and quietness, ______ what he can't enjoy living in cities. [ ]
A. that is
B. which is
C. what
D. is for which
轻症"非典"病人，普通鼻导管上氧，流量为1～3L/min，如用面罩高流量给氧，流量应为（）
A.2～6L/min
B.3～9L/min
C.4～9L/min
D.10～15/min
E.16～18L/min
