我今年上大学 想要一份2分钟左右的英语自我介绍

我今年上大学 想要一份2分钟左右的英语自我介绍
大致信息：今年17 来自河南 高中成绩一般 有集体责任感 团结同学 望同学多多帮助 最好加点优美句子

My name is ***.17 years old .I have an average grade in my senior school,but I'll try to improve it in my university.(说到不足时一定要补偿再说你会努力的、--技巧）I also have a high union responsibility and I 'll work in unity and help others.I'LL develop my potential to learn much more things and wide my horizon.Only by konwing our final goal,can we try our utmost to achieve it and truly make a difference.
可能有点长了、、楼主自己算算时间吧 超时的话就删点、算能帮到你吧