开头：Today ,i am very happy for having a chance to introduce myself .后面加名字.兴趣等等
结尾:Finally,thank you for everybody's listening.I am happy to stand here .Today is my favourite day .Thank you还有比喻动物的什么的····take myself as en example , i think i am a monkey .why do i say this ?because as for me ,i love playing sports, like running, jogging,and so on .I am always full of energy ,i love life ,i am sure life shouldbe full o f energy .