诊断骨、关节结核的辅助检查中最有实用价值的是（）
A.CT
B.X线平片
C.结核菌素试验
D.血沉
E.豚鼠接种
参考答案：B
— There can be no life on the earth without water.
— That's right. Water _____ everywhere. [ ]
A. needs
B. is needing
C. is needed
D. needed
柴胡“疏肝解郁”功效的药理学基础是什么？
