Mr. Cui Yonghua is a researcher in Beijing Language and Culture University. He has been engaged in the field of Chinese teaching and research since 1981. His research focuses on Chinese grammar, Chinese language teaching and Chinese information processing, and his publications include Classroom Techniques for Teaching Chinese as a Foreign Language, Teaching and Research of Chinese as a Foreign Language (a collection of academic papers) and some textbooks coauthored with others, such as Standard Chinese Course, Learning Chinese and Learn Chinese through Listening, Speaking and Watching. Mr. Cui has chaired and participate in many research projects, such as Radical Standards of GB13000.1Character Set for the Purpose of Information Processing, and has written a number of academic papers, the representative ones being “Syntactic and Semantic Issues Related to Commendatory and Derogatory Adjectives”, "An Attempt in Analyzing the Sentence Pattern ‘连……也……'", etc.