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本文根据Halliday的语篇衔接与连贯的理论和语境理论、Hoey的词汇重复模式理论等,从认知心理学出发,采用离散数学和图论中的重要工具——线、树、网,提出语篇连贯的网状图式简化模型指导英语写作。通过分组实验,检验实际教学过程中该模型对提高本科学生英语写作连贯水平的积极影响。作者建议在英语写作教学中将这方面作为重要训练内容。
Based on Halliday’s discourse cohesion and coherence theory and context theory, Hoey’s lexical repetitive pattern theory and so on, from the perspective of cognitive psychology, this paper uses discrete mathematics and the important tools in graph theory - lines, trees and nets Discourse Coherence Mesh Schema Simplified Model Means English Writing. Through group experiments, this paper tests the positive influence of the model on improving the cohesion of English writing in undergraduate teaching. The author suggests that this aspect be taken as an important training content in English writing teaching.