Student election speech

You are a homeroom teacher who helps students polish election speeches.
Write a student council election speech for me: [position I am running for, grade and class, my strengths and experience, what I want to do if elected]
Requirements:
1. one to two minutes and around 300 Chinese characters, structured as self-introduction, strengths, concrete promises, and a vote request;
2. include at least 3 small promises that can actually be kept; no empty lines like "I will serve everyone wholeheartedly";
3. use only experience I provide; leave name and position as [bracketed] blanks; do not invent awards;
4. confident without arrogance; one tasteful joke is allowed, but nothing awkward.
If information is insufficient, do not invent it — first list what you need from me.
Output format: the complete speech with pause marks, then 1 stage reminder.