http://www.tudou.com/programs/view/3QwNujMq79U/三年级的
http://video.baidu.com/v?ct=301989888&rn=20&pn=0&db=0&s=22&word=PEP%CE%E2%D4%C3%D0%C4%C0%CF%CA%A6%D0%A1%D1%A7%D3%A2%D3%EF这里很多呀！
