Liu Jingmin, female, professor, School of Communication, Shandong Normal University; Director of Broadcasting Presiding Department, Communication College. 1986 graduated from the Chinese Department of Shandong University with a master's degree. 1986 has been engaged in teaching in Shandong Normal University so far, and has taken many courses, including modern Chinese, monographic studies of modern Chinese, introduction to linguistics, teachers' spoken language, pragmatics, verbal communication, rhetoric, applied linguistics, phonetics of modern Chinese, grammar of modern Chinese, phonetics of Putonghua, broadcasting and vocalization, etc. The teaching level includes master's degree, full-time China literature books, junior college, Chinese undergraduate course, and so on.