Self-introduction by Cheng Yonggao—Cheng Yonggao (Every calls him Richard)   came from    Xinjiang Uigur Autonomous Region.     He is a self-made person.in 1987,he began to take part in NAEST(National Advanced Education Self-learning Test)and got a college diploma in 1989.And in 1994,he was sent to study English in Shanghai Institute of Education and graduated from it two years later