Good morning everyone,it's my pleasure to meet all of you( you all 是你们全部,中式英语).My name is XXX.I am 16 years old.I’m interested in English very much and today( 不用so 因为不是因果关系) I stand here to show you about myself（你那么说也行吧）.I like reading books and writing articles best.For that reason,my dream is becoming a writer.(你那样说也行) I enjoy listening to pop music,too.Moreover(除此之外),I have good self-confidence(自信) and I have a sense of humor.I am an outgoing girl so I have a large circle of friends.（这里先强调你的幽默再强调你有许多朋友比较好）I’m good at Chinese,English and physics.I think I’m a hardworking student and I believe the word “No pain,no gain.” I hope I can get a good result in this competition.That’s all,thank you.
Good morning everyone,it's a pleasure to meet all of you( you all 是你们全部,中式英语).My name is XXX.I am 16 years old.I’m interested in English very much and today( 不用so 因为不是因果关系) I stand here to show you about myself（你那么说也行吧）.I like reading books and writing articles best.For that reason,my dream is becoming a writer.(你那样说也行) I enjoy listening to pop music,too.Moreover(不仅如此),I have good self-confidence(自信) and I have a sense of humor.I am an outgoing girl so I have a large circle of friends.（这里先强调你的幽默再强调你有许多朋友比较好）I’m good at Chinese,English and physics.I think I’m a hardworking student and I believe the word “No pain,no gain.” I hope I can get a good result in this competition.That’s all,thank you.
Good morning everyone,it's a pleasure to meet all of you.My name is XXX.I am 16 years old.I’m interested in English very much and today I stand here to show you about myself.I like reading books and writing articles best.For that reason,my dream is becoming a writer.I also enjoy listening to pop music.Moreover,I have good self-confidence and I have a sense of humor.I am an outgoing girl so I have a large circle of friends.I’m good at Chinese（Mandarin）,English and physics.I think I’m a hardworking student and I believe the word “No pain,no gain.” I hope I can get a good result in this competition.That’s all,thank you.
总体你写作感觉不错,大致没有什么语法错误,就是I用的多点.
只是演讲时记得要随机应变就好.最后想不到结尾,就说 THANK YOU FOR YOUR LISTENING TO MY PRESENTATION.
放轻松就好
No pain,no gain 是对的,放心.不信你去百度查.