固体分散体的水溶性载体材料是（）.
A．聚乙烯吡咯烷酮
B．乙基纤维素
C．β-环糊精
D．磷脂和胆固醇
E．聚乳酸
参考答案：A
－What about finding out ______ Alice is going to Taizhou?
－I’m afraid her friends have told her Taizhou has many places of great interest．
A．where
B．that
C．why
D．how
全国社会保障基金应当按月向社会公布收支、管理和投资运营的情况。
