http://119.147.41.16/down1?cid=C70E8FD45C276B5B793596B0273CB0A2FA46BB8E&t=2&fmt=&usrinput=ppt教程&dt=0&ps=0_0&rt=0kbs&plt=0
http://hi.baidu.com/%B7%E7%D3%EA%CD%AC%D0%D0%BA%CE%BE%E5%CD%B4
