证券投资基金的主要费用包括（）。
A、管理费
B、托管费
C、申购费
D、赎回费
E、交易佣金
F、过户费
参考答案：A, B, C, D, E, F
20. His parents were teachers in that school, _______ lost their lives in order to save
their students in the earthquake.
A．none of them
B．both of them
C．none of whom
D．both of whom
常用建筑涂料品种中，()是以不饱和聚酯和苯乙烯为主要成膜物质的无溶剂型漆。
A、聚酯树脂漆
B、聚氨酯漆
C、苯乙烯焦油
D、聚乙烯醇缩丁醛
