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语料库理念下科技英语论文引言值衔接特点分析

论文作者:www.51lunwen.org论文属性:硕士毕业论文 thesis登出时间:2013-08-23编辑:lgg点击率:4283

论文字数:37620论文编号:org201308231603592230语种:英语 English地区:中国价格:$ 66

关键词:衔接手段衔接特点统计数据引言科技英语语料库

摘要:This dissertation employs concordancer AntConc and Microsoft Word tocollect data from the corpus; then classify the statistic data according to cohesiontheory to do some calculations; and finally, compare the data by Chi-squarecalculator.

CHAPTER 1 INTRODUCTION


1.1 Overview
This chapter is an overview of this dissertation. It accounts for rationale forthe research, describes aims and emphasizes significance of this dissertation aswell as its adopted methods. Then it introduces the overall structure of thisdissertation by means of describing frames of the five chapters in it.

1.1概述
这一章是本论文的概述。它占为研究的理论基础,描述了目标和强调的意义以及本文采用的方法。然后介绍了本论文的总体结构通过五个章节描述框架在它。


1.2 Rationale for the research
In Cohesion in English, Halliday and Hasan (2001) illustrated cohesion andcohesive devices. Then there were many linguists who conducted analyses tosupport, or to question, or to develop cohesion theory. The concept of cohesionis to explain semantic relations in texts; therefore, any feature indicating thesemantic relation is treated as cohesive features (Zhang & Liu 2003: 22).Subsequently, researches on cohesion and researches based on cohesion are beingconducted. For example, cohesion theory is applied to distinguish features ofdifferent styles, such as literatures, interviews and EST (English for science andtechnology).In addition,He Anping (2004: 22) considered that different text structureshave different features in a paper. Biber, Conrad and Reppen (2000: 167) haveindicated that "understanding the variation among the sections and the ways thatlanguage use is related to the sections' sub-purposes"; and accordingly, theyconducted a research to give "mean scores" for the four sections of an ecologyresearch article -- Introduction, Methods, Results and Discussion, and then theyconcluded that Introduction was non-impersonal but other sections were moreimpersonal than Introduction. Accordingly, features of Introduction are differentfrom the other sections of a paper.There is no research associating cohesion with Introduction of an EST paper.Therefore, Introduction of an EST paper is a new object to analyze its cohesivefeatures,which brings possibility to distinguish cohesive distinctions amongsections of a paper.


1.3 Aims and significance
A corpus “is a large computer-held collection of texts (spoken, written, orboth) collected together to stand as a representative sample of a language or somepart of if (Johnson & Johnson 2001: 89). This dissertation is undertaken on acorpus,which is composed of the introductions of 56 unabridged papers inMultifunctional Grasslands in a Changing World (MGCW for short). There arePrelude and three themes in MGCW. Therefore,introductions in Prelude and inthree themes are respectively considered as four sub-corpora.As a consequence, the concern of this dissertation is to conduct a quantitativeanalysis of the cohesive features in the corpus as well as intercomparing foursub-corpora. Subsequently, there are three questions to solve such questions:What cohesive devices are frequently used in the corpus; whether there aredistinctions in cohesive features among sub-corpora; whether some of stylisticfeatures of EST can be verified to play similar cohesive roles in the corpus as inEST papers.


CHAPTER 2 LITERATURE REVIEW


2.1 Overview
Chapter One has identified the aims and significance of this dissertation, andits objectives are introductions of EST papers. It involves two concepts -cohesion and EST, and this chapter describes their features and introduces someconcerned theori论文英语论文网提供整理,提供论文代写英语论文代写代写论文代写英语论文代写留学生论文代写英文论文留学生论文代写相关核心关键词搜索。

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