| Acknowledgements | 第5-6页 |
| 摘要 | 第6-8页 |
| Abstract | 第8-9页 |
| 1. Introduction | 第12-16页 |
| 1.1 Research background | 第12-13页 |
| 1.2 Research purpose and significance | 第13-15页 |
| 1.3 Thesis layout | 第15-16页 |
| 2. Literature Review | 第16-32页 |
| 2.1 Theoretical studies of raising pragmatic awareness | 第16-17页 |
| 2.2 Empirical studies of Pragmatic Consciousness-raising theory | 第17-26页 |
| 2.2.1 Studies on learners' pragmatic awareness and grammatical awareness | 第17-19页 |
| 2.2.2 Studies on pragmatic consciousness-raising approaches | 第19-24页 |
| 2.2.3 Studies on contrastive analysis as pragmatic consciousness-raising | 第24-26页 |
| 2.3 Relevant studies on English request strategies | 第26-32页 |
| 2.3.1 English request strategies in CCSARP | 第26-28页 |
| 2.3.2 English request strategies by Trosborg | 第28页 |
| 2.3.3 Request strategies between Chinese and English by Gao | 第28-32页 |
| 3. Research Methodology | 第32-44页 |
| 3.1 Research questions | 第32-33页 |
| 3.2 Participants | 第33页 |
| 3.3 Instruments | 第33-36页 |
| 3.3.1 Written discourse-completion tests | 第33-36页 |
| 3.3.2 Interview | 第36页 |
| 3.4 Instructional treatments | 第36-41页 |
| 3.4.1 Sources of teaching | 第36-37页 |
| 3.4.2 Procedures of teaching | 第37-39页 |
| 3.4.3 A Sample lesson | 第39-41页 |
| 3.5 Data collection and analysis procedures | 第41-44页 |
| 4. Results and Discussion | 第44-59页 |
| 4.1 Students' initial mastery of English request strategies | 第44-47页 |
| 4.1.1 Students' having a basic awareness of being polite | 第45页 |
| 4.1.2 Students' lacking flexibility of expressing requests | 第45-47页 |
| 4.2 Effects of the pragmatic consciousness-raising model | 第47-54页 |
| 4.2.1 Students' unobvious development after the instruction | 第48-49页 |
| 4.2.2 More stable performance of students after the instruction | 第49-52页 |
| 4.2.3 The effects of gender issues on students' performance | 第52-54页 |
| 4.3 Students' attitudes and perceptions of the PCR instruction | 第54-59页 |
| 4.3.1 Students' clarification of ambiguous answers | 第55-56页 |
| 4.3.2 Students' perceptions of English request strategies | 第56-57页 |
| 4.3.3 Students attitudes toward the PCR model | 第57-59页 |
| 5. Conclusion | 第59-62页 |
| 5.1 Major research findings and teaching implications | 第59-60页 |
| 5.2 Limitations of the study and recommendations | 第60-62页 |
| Bibliography | 第62-67页 |
| Appendix | 第67-69页 |
