Which of the following should a speaker avoid when ending a presentation?
A、Signaling the end.
B、Reinforcing the central idea.
C、Looking bored with his / her own presentation.
D、Giving the closing remarks.
A、Signaling the end.
B、Reinforcing the central idea.
C、Looking bored with his / her own presentation.
D、Giving the closing remarks.
大学英语:英语语言技能提高方法