- I am delighted/pleased/glad to have the opportunity to present/of making this presentation...

　　- I am grateful for the opportunity to present...

　　- I’d like to thank you for inviting/asking me/giving me the chance to...

　　- Good morning/afternoon/evening ladies and gentleman

　　- It’s my pleasant duty today to...

　　- I’ve been asked to...

　　告知演讲的话题

　　- the subject of my presentation is...

　　- I shall be speaking today about...

　　- My presentation concerns...

　　- Today’s topic is...

　　- Today we are here to give a presentation on...

　　- Today we are here to talk about...Before we start, I’d like you meet my team members...

　　- A brief look at today’s agenda...(告诉听众所讲内容的先后顺序)

　　- Before we start our presentation, let’s take a brief look at the agenda...

　　- I shall be offering a brief analysis of...

　　- the main area that I intend to cover in this presentation is...

　　- Take a moment and think of...

　　- Thank you for giving me the opportunity to tell you about...

　　告诉听众发言的长度

　　- During the next ten minutes, I shall...

　　- I shall be speaking for about ten minutes...

　　- My presentation will last for about ten minutes...

　　- I won’t take up more than ten minutes of your time...

　　- I don’t intend to speak for longer than ten minutes...

　　- I know that time is short, so I intend to keep this brief

　　- I have a lot to cram in to the next ten minutes, so I’d better make a start.