Reasons are given to account for this seemingly strange phenomenon, and a tentative suggestion is forwarded toward the teaching of English writing and the cultivation of discourse competence.

本文最后对这一看似奇怪的现象的成因加以分析，并对英语语篇写作教学和学生语篇能力的培养提出一点设想。

Therefore, PI competence construction chiefly proves to be literary discourse construction, whose mechanism is the refreshment and discourse deviation of the students schemata.

因此，PI系统能力建构主要表现为文学话语建构。文学话语建构的机制是文学话语图式偏离与更新。

Communicative competence consists of grammatical, sociolinguistic, discourse and strategic competence.

语法能力、社会语言能力、语篇能力、策略能力构成了交际能力。

Based on the discourse, the papers analyses the feature of the cross-culture and put forth methods for English teaching of the higher profession to improve students' communicative competence.

从语篇出发，以跨文化交际特征为依据，探索一种适合高职特点的教学方法，旨在提高高职学生的英语交际能力。

The results show that discourse pattern writing teaching have great effect on improving students' writing competence.

最后通过数据分析得出结论：语篇模式写作教学能大幅度地提高中学生的书面表达能力。