1, humor depends on your personality and speaking characteristics. Forced humor is not only cold, but also exposes your shortcomings.
2. Show your love for the class group, collective consciousness, personal ability, management concept, etc. You can refer to my answers to other people's questions, which is helpful to you.
3. The secretary of the Youth League branch can be said to be the core figure of the class. Don't think that the monitor is. In fact, both are indispensable and need a strong sense of responsibility, so it is best to focus on your own sense of responsibility.
As for the others, first, look at the impression you usually give to everyone, second, look at your personality charm, and third, look at your on-the-spot performance. Let's go