治疗血热夹瘀的出血证,宜选用
A.地榆
B.艾叶
C.仙鹤草
D.茜草
E.降香
参考答案:D
Mr Black must be worried about something. You can ____ it from the look on his face.
A.reason
B.recognize
C.read
D.realize
斯特恩的双电层结构模型,双电层中的电位及零电点和等电点。