师生座谈会的主持人的开场白怎么说?

Teachers and friends :
Welcome to be here. I am happy to be the host of the meeting.
We are here to

太正式了，我觉得轻松一点比较好

Attention,plz.
Hello,everyone.
First welcome u all,and specially welcom our teacherXX to attend the meeting .Today I will host the meeting.
Now allow me to tell the meeting schedule:
1....
2....
...