Imagine a guest speaker is to give a lecture and you're the one to make the speech of introduction. Which of the followi

Imagine a guest speaker is to give a lecture and you're the one to make the speech of introduction. Which of the following goes first?

A.Welcoming the audience

B.Welcoming guest speaker

C.Introducing yourself

D.Introducing guest speaker

正确答案:Welcoming the audience

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