Hello everybody.I'm very glad to stand here to introduce myself.（大家好！我很高兴能站在这儿介绍自己）
Firstly,my name is Zhao Zheng,I'm thirteen years old.I have a lot of hobbies.I love art ,reading and playing computer.
Well,I thing I am a helpful person.（我认为我是个乐于助人的人）And I am also very friendly ( 而且我也很爱交朋友）I hope we can be friends.( 希望我们能成为朋友）
That's all.Thank you!