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he Research
The  paper  is  intended  to  investigate  to  what  extent  the  effect  of  the application of lexical chunk theory can have on learners’ interest, attitude and  confidence  towards  oral  English  learning.  Apart  from  that  it  is  also set  up  to  examine  the  impact  of  the  application  of  lexical  chunks  theory on  learners’  oral  English  proficiency  through  oral  English  teaching  in senior  high  schools,  to  be  more  specific,  to  examine  the  effect  on  the fluency,  word  diversity  and  fluency  of  learners’  oral  English.  The research questions are as follows. （1）What is the impact of the oral English teaching based on the theory  of  lexical  chunk  on  learners’  interest,  attitude  and  confidence towards oral English learning? （2）What is the impact of the oral English teaching based on the theory of lexical chunk on learners’ oral proficiency, specifically in terms of fluency, word diversity and accuracy of learners’ oral English? 
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Chapter 1 Literature Review 

There is no controversy over the belief that lexical chunks are widely spread in natural language of English. According to some estimation made by  Erman  and  Warren  (2000:  29),  at  least  1/3  to  1/2  of  the  adult  native English language is made up of lexical chunks. The wide spread of lexical chunks and the edges of it attract abundant attention from a great deal of researchers. The research focus shifts from the definition of lexical chunk, the classification of it and the function of it theoretically to its application into  English  language  skills  development.  Recently,  the  ardor  for  its application to English teaching in classroom has reappeared since Lewis’ great work The Lexical Approach: State of ELT and a Way Forward was published in 1993.  

1.1 Theoretical Study of Lexical Chunks 
To  have  a  more  comprehensive  knowledge  of  lexical  chunks, researchers  have  tried  to  explore  the  property  of  it  from  a  variety  of perspectives such as social interaction, psycho  linguistics and recognition etc. Wray (2000: 473) asserts that lexical chunks have two main functions. One is that it can “save precious processing resources.” The other is that it can be used to achieve interactional functions. That is to say lexical chunks can be used to express greeting, thanking and apologizing on the one hand and on the other hand, it “reflects our need to change our physical world through the actions of another person” Wray (2000:474). Lexical chunks which are fixed expressions to some extent could make contributions to the expression of certain pragmatic functions. These findings suggest that the acquisition of lexical chunks may facilitate the process of information and accelerate the fluency of oral English. Jiang  (2003b: 84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。