聚山梨酯类属于()
A.油脂性基质
B.O/W型乳剂基质
C.W/O型乳剂基质
D.水溶性基质
E.聚乙二醇基质
参考答案:B
A doctor can expect__________at any hour of the day or night.
A.calling
B.to call
C.being called
D.to be called
激素通过血液运输作用于远距离的靶细胞,称为()
A.外分泌
B.腔分泌
C.旁分泌
D.神经分泌
E.远距分泌