| Oral Chinese is one of the most important parts in teaching Chinese as a foreign language.Discourse expression is an essential skill for advanced international students.For international students in advanced stage,the ability of discourse expression in paragraphs is one of the basic skills,and it is also an important factor to judge the level of Chinese spoken language of international students in advanced stage.This paper makes full use of the excellent research results and adopts the methods of literature analysis,data statistics and comparative analysis to analyze and summarize the spoken discourse expressions of 39 central Asian students and 6 Chinese characters circle students in the advanced stage.Using three textual functions: theme-rheme,known information,new information and cohesion as the theoretical basis,this paper makes a concrete analysis of five cohesive devices: reference,ellipsis,substitution,logic and lexical relations.Through the analysis of the present situation of the Chinese spoken language of the central Asian students,this paper provides the theoretical basis for the advanced stage spoken language class of the central Asian students,and provides some reference materials for the future research on the sustainability of the advanced stage spoken language of the central Asian students.According to the statistical analysis,there are some problems in the five types of cohesive reference,ellipsis,substitution,logic and lexical relations in the spoken language of the 45 foreign students from central Asia at advanced Chinese level.2)substitution relation is rarely used,most of which are clauses substitution.3)logical relation is frequently used,but it is prone to errors.Most of them are intermixed and missing.4)vocabulary relations use a single form,most of the simple word repetition.According to the above results,it is concluded that the causes of the errors in the spoken discourse of the foreign students in the advanced stage in central Asia are age and national character characteristics,improper learning strategies of the learners,education level,the lack of spoken discourse teaching content in the syllabus and the lack of text teaching content in the textbook.Finally,according to the causes,the author puts forward some Suggestions on the oral and discourse construction ability of the students in the advanced stage in central Asia,and puts forward some Suggestions from the three aspects of students,teachers and textbooks. |