小建中汤中桂枝与芍药的用量比例是（）
A.1：1
B.1：2
C.1：3
D.1：4
E.1：5
参考答案：B
一个分数的分母不变，把分子扩大2倍，则这个分数的值也扩大2倍。[ ]
His parents, ________, did not look after him very well-the elbows of his jacket and his boots were badly worn. [ ]
A. generally
B. gradually
C. actively
D. apparently
