Which of the following statements about using full text notes in a presentation are correct?

A.It’s useful when you have difficulty in expressing your idea in a working language.

B.It may reduce eye contact with your listeners.

C.It helps to reinforce the main message in your presentation.

D.It may cause you to lose normal voice inflection.

正确答案：It’s useful when you have difficulty in expressing your idea in a working language.；It may reduce eye contact with your listeners.；It may cause you to lose normal voice inflection.