黄龙汤组成中含有的药物是（）
A.当归、玄参
B.人参、生地
C.大黄、枳壳
D.桔梗、枳壳
E.桔梗、枳实
参考答案：E
偏头痛需与下列哪些疾病鉴别()
A.紧张性头痛
B.丛集性头痛
C.继发性头痛
D.三叉神经痛
—We spent all our money because we stayed at the most expensive hotel in town.
—Why didn't you stay at a one? [ ]
A. cheap
B. cheaper
C. cheapest
D. expensive
