Liu Sha, university Chinese teaching and research Department teacher, master, member of the Communist Party of China, lecturer title, China Higher Education Association secretary study professional Committee member, Tianjin Putonghua proficiency tester, international registered senior Chinese teacher.Her main courses include: Introduction to linguistics, Communication and negotiation, speech and eloquence, secretary image and etiquette, etc.Combined with years of teaching experience and teaching results, she published teaching reform papers such as "Practical Teaching of job-demand-oriented Construction of" Business Negotiation ", "Improving Students' Applied Writing Ability by Using Constructivism Teaching Concept", and "Practical Teaching Design of Speech and Eloquence under the Mode of Applied Talents".