Based on HSK Dynamic Corpus in Beijing Language University, the author investigates and analyzes the acquisition of discourse cohesion with the demonstrative pronouns of "Zhe/Na" pattern by conducting surveys among international students. She also does a detailed study on the frequent mistakes made by foreign students through error analysis and statistics classification, therefore, to figure out the main reasons that cause the errors in the usage of the demonstrative pronouns "Zhe/Na" and provide the data, resources and tactics for foreign language teaching of discourse cohesion with demonstrative pronouns. |