| 摘要 | 第1-6页 |
| Abstract | 第6-15页 |
| Chapter 1 Introduction | 第15-20页 |
| ·The Research Background | 第15-16页 |
| ·Definition of Commercial English | 第16-17页 |
| ·The Objective and Significance of the Thesis | 第17-18页 |
| ·Research Methods | 第18页 |
| ·Layout of the Thesis | 第18-20页 |
| Chapter 2 Literature Review | 第20-36页 |
| ·Study of Vocabulary | 第20-24页 |
| ·Word Formation | 第22-24页 |
| ·Word,Type and Lemma | 第24页 |
| ·Lexical Growth Models | 第24-25页 |
| ·Lexical Coverage | 第25-28页 |
| ·95%Lexical Coverage | 第25-26页 |
| ·High Frequency Words and Their Coverage Rates | 第26-28页 |
| ·Style | 第28-33页 |
| ·Introduction to Style and Stylistics | 第28-30页 |
| ·Major Levels of Stylistic Analysis | 第30-31页 |
| ·Word Length and Vocabulary Richness as Style Markers | 第31-33页 |
| ·General Features of Vocabulary of Commercial English | 第33-36页 |
| ·Wide Use of Semi-professional and Professional Words | 第33-34页 |
| ·Frequent Appearance of Foreign Words and Ancient Words | 第34页 |
| ·Wide Use of Abbreviations | 第34-35页 |
| ·Constant Emergence of New Words | 第35页 |
| ·Preference of Nouns | 第35-36页 |
| Chapter 3 Methodology and Research Design | 第36-44页 |
| ·Research Methodology | 第36-38页 |
| ·Corpus-based Approach | 第36-37页 |
| ·Quantitative and Qualitative Research | 第37-38页 |
| ·Corpus Used in the Study | 第38-41页 |
| ·Description of BNC | 第38-39页 |
| ·Extraction of CCBNC and RCBNC | 第39-41页 |
| ·Tools for Data Collection and Processing | 第41页 |
| ·Procedures for Data Processing | 第41-44页 |
| Chapter 4 Results and Discussion | 第44-66页 |
| ·Vocabulary Size | 第44-47页 |
| ·Vocabulary Size of CCBNC and RCBNC | 第44-45页 |
| ·Vocabulary Size Distribution of Text Samples in CCBNC | 第45-47页 |
| ·Lexical Density | 第47-48页 |
| ·Vocabulary Growth Pattern | 第48-50页 |
| ·Vocabulary Growth of CCBNC and RCBNC | 第48-49页 |
| ·Vocabulary Growth Model of CCBNC | 第49-50页 |
| ·Word Length | 第50-53页 |
| ·Mean Word Length | 第50-52页 |
| ·Word Length and Frequency | 第52-53页 |
| ·Word Frequency Distribution | 第53-66页 |
| ·High Frequency Vocabulary in CCBNC and RCBNC | 第53-56页 |
| ·Low Frequency Vocabulary in CCBNC and RCBNC | 第56页 |
| ·Vocabulary Shared by CCBNC and RCBNC | 第56-60页 |
| ·CCBNC-only Vocabulary | 第60-66页 |
| Chapter 5 Conclusion | 第66-69页 |
| ·Major Findings of the Study | 第66-67页 |
| ·Some Pedagogical Implications | 第67-68页 |
| ·Mastering Core Vocabulary of General English | 第67-68页 |
| ·Teaching and Learning the High Frequency Commercial-only Vocabulary | 第68页 |
| ·Suggestions for Further Research | 第68-69页 |
| References | 第69-74页 |
| Appendix Ⅰ Program for Random Sampling | 第74-75页 |
| Appendix Ⅱ Program for Deleting Codings | 第75-76页 |
| Appendix Ⅲ Program for Extracting BNCC-only Vocabulary | 第76-77页 |
| Appendix Ⅳ Program for Tokenization and Lemmatization | 第77-78页 |
| Appendix Ⅴ Program for Calculating Word Length and Word Length Distrubution by Syllables | 第78-80页 |
| Appendix Ⅵ Part of the Text Sources of Commerce Domain of BNC | 第80-83页 |
| Acknowledgements | 第83-84页 |
| Resume | 第84-85页 |
