上海、深圳证券交易所在风险基金分别达到规定的上限后,交易经手费的()纳入证券投资者保护基金。
A.20%
B.25%
C.30%
D.35%
参考答案:A
---I’m getting fatter and fatter. What should I do, doctor?
---You should eat ______ food and take ______exercise.
A.less, less
B.more, more
C.more, less
D.less, more
二值逻辑的基本逻辑关系只有三种:逻辑乘、逻辑加和()。