桑螵蛸散的君药是（）
A.桑螵蛸
B.龟甲
C.人参
D.龙骨
E.当归
参考答案：A
—_____?
—I can't sleep well at night. [ ]
A. How do you do
B. What ' s wrong with you
C. Are you feeling better
D. Did you take the medlcine
人脑对过去经验的反映（）
A.感觉
B.知觉
C.记忆
D.思维
E.想象
