【正确答案】 Dear student fellows,
Today I am very glad to run for the president of the students' union. I am junior in Chemical Department. Since I came into the university, I have always been the monitor of my class. I have done a very good job for my classmates, and my classmates and my teacher all give me a good praise. I am good at communication and organizing. And I like to help others.
Moreover, I have a variety of hobbies, for example, basketball, football, ping pong, etc. I am sure that I am qualified for this position. If I become the president, I will try my best to do well. I will organize some suitable activities for you. I will do many things for you to meet your demands as well. I sincerely hope you will give me a chance, and please believe me that I will be a good president.
Thank you.

【答案解析】第一段：自身具备什么条件来参选。
第二段：参选成功之后，可以为本校同学做些什么。
第三段：表达感谢。