Which of the following mistakes belong to inappropriate DELIVERY of a presentation?

A.Many distracting animations.

B.Being casually dressed.

C.Standing with crossed arms.

D.Abrupt ending without a summary.

E.Text-heavy slides.

F.Using monotonous voice.

G.Reading solely from slides.

H、Fidgeting and swaying throughout the presentation.

I、Not giving an overview of the presentation at the beginning.

正确答案：Being casually dressed.；Standing with crossed arms.；Using monotonous voice.；Reading solely from slides.；Fidgeting and swaying throughout the presentation.