我国的股票发行实行注册制并配之以发行审核制度和保荐人制度。 ( )
参考答案：错
He realized his mistakes and took action to reduce the loss _________ it was too late.
A．until
B．when
C．before
D．as
我国整体上开始进入小康社会是在 [ ]
A、19世纪初
B、19世纪末
C、20世纪初
D、20世纪末
