导赤片除了清热泻火外还具有的功能是（）
A.化瘀凉血止血
B.消肿止痛
C.缓急止痛
D.利尿通便
E.理气
参考答案：D
The unemployment total was ____ 20% of the workforce. [ ]
A. get close to
B. close to
C. closed to
D. get closely to
如何用双相滴定法测定苯甲酸钠的含量说明测定原理和方法
