下属哪一种基质不是水溶性软膏基质
A.聚乙二醇
B.甘油明胶
C.羊毛脂
D.纤维素衍生物
E.卡波普
参考答案:C
—I downtown to the shopping centre soon. Could I get you something?
—No, thanks. I will do e-shopping. [ ]
A. was just going
B. am just about to go
C. have just gone
D. am just going
股票的清算价值决定股票的市场价格,股票的市场价格总是围绕其清算价值波动。 ( )