In this paper the writer attempts, in terms of textlinguistics, to clear away the relevant misunderstandings and demonstrate that the best, practical translation unit is the smallest text unit from a dyn.

This article introduces the theory of cohesion and coherence as well as varieties of structure models of discourse unit with the intention of guiding language learners,on the basis of discourse unit as the foreground and outset of text analysis,how to write structural compositions which take discourse unit as the essential element so as to foster learners writing ability.

On subjective factors influencing forms of text reiteration;

On Differences of English and Chinese Thought Patterns and Textual Organization;

On Textual Stylistic Variation and Its Motivations;

Approach of domain natural language discourse understanding;

On Focus in the Information Structure at the Discourse Level;

The Reconsideration on the Analysis of Contrast to Discourse in the Russian and Chinese Encyclopedia;

This article tries to analyze it from the sound,type of sentence,rhetoric,paragraph and chapter,so as to explain the cause which Xiao Yao You can get through the ages.

Then two suggestions are given to improve students reading skills: a) adopting communicative teaching method instead of text analyzing ; b) improving the reading skills in respects of vocabulary, paragraph, chapter analysis.

Psycholinguistics says that chapter is a basic communication unit,which is a verbal product from the demand of social intercourse.