¢¢Åê¹Æ¼Ô/ name ¡÷ ¥²¥¹¥È(43²ó)-(2008/05/07(Wed) 04:08:23) [ID:jdd8PXEm] http://link
There are tantalizing hints that improvement can be more dramatic when diversity is eliminated, such as single gender classes, blacks performing better when reinforced by their own successes.,