下列药物中哪一种可采用干砂埋藏法储存()。
A.赤芍
B.淮牛膝
C.牡丹皮
D.鲜芦根
E.鲜石斛
参考答案:B
You are driving too fast. Can you drive _____? [ ]
A. more slowly a bit
B. slowly a bit more
C. a bit more slowly
D. slowly more bit
北京市的许多中学,在电化教学的状况下,教学质量有了提高。