葛根汤的药物组成是（）
A.麻黄汤加葛根
B.桂枝汤加麻黄、葛根
C.麻桂合方加葛根
D.桂枝甘草汤加葛根、麻黄
E.桂枝去芍药加麻黄、葛根
参考答案：B
西洋参的常见伪品为
A．霞草B．风寒草C．人参D．参薯E．桃儿七
I used to _________. But now I get used to _________doing everything. I’m successful at last.
A. give up; keeping B. giving up; keeping C. giving up; keep
