For example, I am very familiar with the content of the article. Students will take part in the thesis defense. First of all, they must have a deeper understanding of the content of their graduation thesis and have a comprehensive familiarity, which is the preparation for answering the depth and related knowledge of their graduation thesis and possibly asking questions for thesis defense. 2. Be sure to control your speaking speed and politeness when replying. Generally speaking, it is the first time for students to defend their graduation thesis, and the speed of speech is fast, which easily leads to the members of the graduation defense Committee not being able to hear clearly and affects the graduation defense results. Therefore, graduation defense students must pay attention to the fluency of speech speed in the process of thesis defense, which is urgent and slow, light and heavy.