根据上海证券交易所的规定，在配股缴款过程中，证券公司不得向客户收取（ ）费用。
A．佣金
B．过户费
C．印花税
D．手续费
参考答案：A,B,C
— What did your teacher say this morning?
— She asked me______ this morning.
A．how did Tom come to school.
B．why was Tom late for school
C．when Tom would get to school
D．what will Tom do at school
乳酸脱氢酶属于（）
A.氧化还原酶类
B.转移酶类
C.水解酶类
D.连接酶类
E.异构酶类
