理事会是会员制期货交易所会员大会的常设机构，对( )负责。
A．会员大会B．理事长C．总经理D．董事长
参考答案：A
Though he is still a child, he has already read _____ 1,000 books.
A．so much as
B．as many as
C．as much as
D．so many as
紧键连接的对中性（）
A.好
B.较好
C.一般
D.差
