求一篇《21世纪·梦想》的英语作文,也不能过于简单,120词左右.

I am a student in the twenty-first century .I always dream of becoming an astronaut in the future.Because the science and technology are developing very fast,many people can have the opportunity to travel abroad in the near future.If I can become an astronaut,I will take some young people to space to experience the excitement and get a knowledge of the universe.And I can encourage the young people to become more interested in science and technology,which is good to our society.In order to achieve my dream ,I must study hard to get more knowledge for the future use.Because I know that only by working hard can I make my dream come true.