A presenter is supposed to do the following in an introduction except（）。
A.Relating topic to audience.B.Grabbing audience’s attention.C.Thanking audience for their timeD.Establishing credibility.正确答案：Thanking audience for their time
A presenter is supposed to do the following in an introduction except（）。
A.Relating topic to audience.B.Grabbing audience’s attention.C.Thanking audience for their timeD.Establishing credibility.正确答案：Thanking audience for their time