契约型基金根据是否可增加和赎回,分为()。
A、单位型和基金型
B、股权型和债权型
C、集合型和分散型
D、长期和短期型
参考答案:A
Shirley had to buy ________ these CDs because she didn't know which one to take. [ ]
A. all
B. none
C. each
D. both
台湾的民俗中有较多的送礼禁忌,如禁用雨伞送人。