英语演讲开场白 如何讲开场白

1、开头：good morning everybody!it's my honor to speak here,and i am very glad to share my topic with you. then today i'd like to talk something about...
2、大家早上好！能在这里做此次演讲我荣幸，也很高兴能跟大家一起分享我的主题，今天演讲的是......