| 摘要 | 第6-8页 |
| Abstract | 第8-9页 |
| Part One Introduction | 第12-16页 |
| 1.1 Research Background | 第12-13页 |
| 1.2 Purposes and Significance of the Present Study | 第13-15页 |
| 1.3 Overall organization of the Dissertation | 第15-16页 |
| Part Two Noun Constituents and Relevant Studies | 第16-27页 |
| 2.1 Hypothesized Developmental Stages for Complexity Features Raised by Biber | 第16-23页 |
| 2.1.1 The Syntactic Complexity of Clause Constituents | 第17-18页 |
| 2.1.2 The Syntactic Complexity of NP Constituents | 第18-23页 |
| 2.2 Relevant studies | 第23-27页 |
| Part Three Methodology | 第27-32页 |
| 3.1 Research Questions | 第27页 |
| 3.2 A Brief Introduction of WECCL | 第27页 |
| 3.3 Sample Collection | 第27-28页 |
| 3.4 The Coding and Calculation of NP constituents | 第28-30页 |
| 3.5 Instruments | 第30-31页 |
| 3.6 Statistical Methods | 第31-32页 |
| Part Four Results of NP Constituents Applied in WECCL and Discussion | 第32-53页 |
| 4.1 Results of NP Constituents Applied in WECCL | 第32-43页 |
| 4.1.1 Results of NP constituents Applied by English Major Students of Different Grades | 第32-38页 |
| 4.1.2 Differences in the Use of NP Constituents Demonstrated by English and Non-English Major Students | 第38-43页 |
| 4.2 Discussion | 第43-53页 |
| 4.2.1 Overall Difference in the Use of NP Constituents | 第43-45页 |
| 4.2.2 Differences in the Use of Premodifiers | 第45-48页 |
| 4.2.3 Differences in the Use of Postmodifiers | 第48-49页 |
| 4.2.4 Differences in the Use of Non-finite Relative Phrase | 第49-51页 |
| 4.2.5 Differences in the Use of Non-finite Relative Phrase | 第51-53页 |
| Part Five Conclusion | 第53-58页 |
| 5.1 Major Findings | 第53-55页 |
| 5.2 Pedagogical Implications | 第55-56页 |
| 5.3 Limitations | 第56-58页 |
| Bibliography | 第58-63页 |
| Acknowledgments | 第63-64页 |
| Appendix | 第64-71页 |
| Publication While Registered with the MA Program | 第71页 |
