龙头瓶可贮存稀酸、稀盐溶液，带橡皮塞的下口瓶贮存稀碱液。（）
参考答案：对
下列药用辅料中可作为渗透泵制剂中渗透促进剂的是（）
A.微晶纤维
B.聚氧乙烯
C.脂肪
D.蔗糖
E.氢化植物油
I wanted to buy a comic book , but there was in the bookshop.
A．nothing
B．none
C．anything
D．everything
