评价立场与韵律模式：学术语篇的价值取向与延伸

本文以评价理论（Appraisal theory）为基础，选取语篇的态度意义（accicude）为切入点，从Proquesc数据库中随机抽取五个不同学科40篇博士论文（Ph．D．thesis）的引言部分（introduction section）为语篇分析的素材，分析博士论文作者的评价立场以及价值取向的延伸。通过对学术语篇的深入分析，探讨了博士论文中各个语步所使用的评价资源，并初步总结评价者在博士论文中所搭建的韵律模式（prosody），以揭示语篇评价资源的组合和修辞策略的推进与语类结构之间的深层关系。

Appraisal Standpoint and Prosodic Mode: Value Orientation and Extent of Academic Genres

Drawing on the attitude sub-system of the appraisal theory and the introduction sections of 40 PhD theses of five disciplines from the Proquest Database for analysis, this paper analyzes the value orientation of the academic writers. With detailed analysis of the research papers, this paper investigates how to construct prosodic mode by means of appraisal resources, the impact of different appraisal parameters on the construction of academic genres, and the deep-rooting relation the development of genre and its rhetorical strategy,