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p;between  social  classes,  gender,  and ethnic/cultural  majorities  and  minorities  through  the  ways  in  which  they represent things and position people.  
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2.2 Previous Research of CDA
This section aims at presenting a brief review on CDA, its different approaches based  on  the  most  significant  scholars  in  this  field  at  home  and  abroad,  its development and new direction. Among the key scholars in this discipline, Kress, Wodak, Fairclough, and van Dijk represent the major approaches of CDA.  Gunther  Kress  is  a  representative  founder  of  critical  linguistics.  Some  basic assumptions  of  CDA  are  described  by  Kress.  Later,  he  conducts  researches  more widely and gains several significant achievements. In the article Critical Discourse Analysis (1990), he states that social production of sign is the fundamental issue in critical linguistics through the analysis of relationship between discourse and readers. He also tries to show how different social values and different patterns of expression affect each other and how they are arranged in the discourse. Allan Bell has studied about news language from 1970s. At the beginning, he only  focuses  on  micro-linguistic  level  of  news  language.  Later,  his  book  The Language of News Media (1991) extends his studies to the macro-linguistic level of news  language  from  the  perspective  of  CDA.  Under  the  guidance  of  discourse analysis  and  sociolinguistics,  he  concerns  with  the  concept of  the  news  story,  the importance of the processes which produce news media language and the role of the readers. He believes that when conducting a CDA of news discourse, the embedded news values and ideologies should be observed in news texts. 
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Chapter Three Theoretical Framework......17 
3.1 Fairclough’s Three-Dimensional Model of CDA....17
3.2 Halliday’s Systemic Functional Grammar....20 
3.2.1 Ideational Function.....21 
3.2.2 Interpersonal Function.....24 
3.2.3 Textual Function....25 
Chapter Four Methodology........27 
4.1 Research Target....27 
4.2 Data Collection ....28 
4.3 Research Questions........29 
4.4 Research Approaches .....29 
Chapter Five Data Analysis and Discussion........31 
5.1 Description Level——Text ......31 
5.2 Interpretation Level——Discourse Practice......45
5.2.1 News Source.....45 
5.2.2 Speech Reporting Mode .......50 
5.2.3 Summary.....54 
5.3 Explanation Level——Sociocultural Practice ........55 

Chapter Five Data Analysis and Discussion 

In the preceding chapters, we have studied about several important approaches, development of CDA, theoretical framework and analytical tool such as Fairclough’s three-dimensional model and Halliday’s SFG, as well as research method adopted in this thesis. And then, this chapter will deal wit本论文由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。