I asked my boss for a month’s holiday and, _________, she agreed.

A．what’s more

B．that is to say

C．in other words

D．believe it or not

由水相、油相和乳化剂组成是（）

A.低分子溶液剂

B.高分子溶液剂

C.乳剂

D.混悬剂

E.溶胶剂