| Acknowledgements | 第1-7页 |
| Abstract | 第7-8页 |
| 摘要 | 第8-11页 |
| Chapter 1 Introduction | 第11-15页 |
| ·Background | 第11-12页 |
| ·Purposes of the present study | 第12页 |
| ·Overview of the dissertation | 第12-15页 |
| Chapter 2 Literature Review | 第15-25页 |
| ·Multimodal teaching and learning | 第15-18页 |
| ·Multiliteracy | 第18-21页 |
| ·Group practice projects | 第19-20页 |
| ·Personal researches | 第20-21页 |
| ·Studies on PPT teaching | 第21-25页 |
| Chapter 3 Research Design | 第25-39页 |
| ·Research questions | 第25页 |
| ·The practical framework of multiliteracy | 第25-28页 |
| ·Design elements in meaning making process | 第28-29页 |
| ·Genres of PowerPoint discourses | 第29-32页 |
| ·Prompting genre | 第30页 |
| ·Visualizing genre | 第30-31页 |
| ·Analyzing genre | 第31页 |
| ·Persuading genre | 第31-32页 |
| ·Subjects and data collection | 第32-34页 |
| ·Materials | 第34-36页 |
| ·Students' PPT discourses | 第34-35页 |
| ·Interviews | 第35-36页 |
| ·Data analysis | 第36-39页 |
| ·Data analysis of PPT presentations | 第36-37页 |
| ·Data analysis of interviews | 第37-39页 |
| Chapter 4 Results and Discussion | 第39-55页 |
| ·Multimodal analysis of students' PPT discourses | 第39-46页 |
| ·Genres of the PowerPoint discourse | 第39-41页 |
| ·Use of visual modes | 第41-45页 |
| ·Use of language: paragraphs instead of subordinate clauses | 第43-44页 |
| ·Use of color, typeface and typography | 第44-45页 |
| ·Use of audio modes | 第45-46页 |
| ·Specific use of multiliteracy abilities | 第46-49页 |
| ·Recognition literacy | 第47-48页 |
| ·Representation literacy | 第48-49页 |
| ·Factors affecting multiliteracy abilities | 第49-51页 |
| ·Language proficiency and multiliteracy abilities | 第49-50页 |
| ·Multiliteracy knowledge and multiliteracy abilities | 第50页 |
| ·Information channels and multiliteracy abilities | 第50-51页 |
| ·Other Results of the analysis of interviews | 第51-55页 |
| ·Question 3: Why do you select this topic in your PPT presentation? | 第51-52页 |
| ·Question 4: What are your expectations for this practice? | 第52页 |
| ·Question 5: Through this practice, which aspect of your multiliteracy ability has been improved? Recognition literacy, representation literacy or critical literacy? | 第52-53页 |
| ·Question 6: In your opinion, how can you improve your multiliteracy abilities? | 第53-55页 |
| Chapter 5 Conclusions and Implications | 第55-59页 |
| ·Conclusions | 第55页 |
| ·Implications of the study | 第55-57页 |
| ·Limitations of the study | 第57-59页 |
| References | 第59-63页 |
| Appendix Ⅰ Transcriptions of Students' Interviews | 第63-79页 |
| Appendix Ⅱ Specific scores for every student's text of PPT presentation | 第79-81页 |
| 作者简历 | 第81页 |
