在英语课堂上，进行一次简短而有效的自我介绍是每个学生都必须面对的任务。它不仅能够帮助老师更好地了解你，还能让你在同学面前展示自己的个性和语言能力。以下是一篇适用于英语课的英文自我介绍范文，内容真实、自然，适合大多数学生使用。

Hello everyone, my name is Li Ming. I’m 15 years old and I come from Beijing. I like studying English because I think it’s a very useful language. I enjoy reading English books and watching movies in English. It helps me improve my listening and speaking skills.

I have some hobbies, such as playing basketball and drawing. I also like to travel, and I hope to visit different countries one day. In the future, I want to become an English teacher so that I can help others learn this beautiful language.

In my free time, I often go to the library or practice speaking with my friends. I believe that the more you use English, the better you will get. I’m excited to be here in this class and I look forward to learning more with all of you.

Thank you for listening!

这篇自我介绍内容简洁明了，结构清晰，涵盖了姓名、年龄、兴趣爱好、未来目标等常见元素，非常适合用于英语课上的演讲或练习。你可以根据自己的实际情况进行适当修改，使内容更加个性化和真实。