1, you can describe the cause and effect of the topic. 2. Explain the practical significance of some related papers. 3. It can describe the theoretical basis of the paper. 4. Talk about how you found the relevant literature. 5. Introduce the research methods of graduation thesis. 6. Views on the advantages and disadvantages of my graduation thesis. Extended data 1 can describe the cause and effect of topic selection. If you have a clear research direction and have carefully understood it before, you can boldly tell your tutor. 2. Explain the practical significance of some related papers. The teacher understands the examinee's concern and thinking ability about reality. 3. It can describe the theoretical basis of the paper. Theoretical basis can show the professional ability of candidates and their mastery of basic knowledge. 4. Talk about how you found the relevant literature. Literature review is an essential homework before writing a paper. Only by reading a lot of previous research papers can we have a better grasp of our own research. 5. Introduce the research methods of graduation thesis. 6. Views on the advantages and disadvantages of my graduation thesis. You can boldly say the advantages and disadvantages of your graduation thesis, as long as you don't exaggerate it too much.