我国伟大民族精神的内涵及意义是什么？

A. Using a lot of gestures.
B. Moving from side to side.
C. Speaking in a low voice.
D. Avoiding eye contact.

A. It should be planned and practiced in advance.
B. It should be diverse and designed to command attention.
C. It should be slow and planned to command attention.
D. It should be natural and effective.

A. To have electronic presentation.
B. To keep calm and force oneself to look at the audience.
C. To be very familiar with the notes.
D. To use images and few words for notes instead of sentences.

A. Ctrl+C
B. Ctrl+X
Ctrl+V
D. Ctrl+D