This is a very deep inspection,I feel very ashamed for my mistake,I really should not pay attention to what the teacher said,I should not go against the teacher's words,we as students should follow the teacher's words,I this not very good value to the teacher words.I am very sorry,I hope you can forgive my mistake.However,people always make mistakes,of course I know not to use this as an excuse,we still have to try to avoid such errors occur,I hope you can believe me the heart of repentance."People have missed,Ma shiti".My bad behavior is wrong,the teacher said is very correct,I felt really ashamed,I can ask teachers to ensure the future will not appear again such things.