急求答案!帮我看看这篇英语短文有无错误
Now, I would like to introduce me to everyone.
I am a little boy.My name is XXX,I am 12 years old this year.I like play basketball with my friends and research on computer,because I want to be ahacker,but that is to difficult for me.
I like math very much,but I hate P.E. ,because it doesn't suit me at all.

My mother always tell me to study hard,I think that's very good advice,I will study hard,become a good student