When preparing for a presentation, a person should revise and edit the speech. stand up straight while speaking. pronounce each word clearly. look directly at the audience.

should revise and edit the speech

Explanation:

During the preparation stage of a presentation, the speaker can create the content or ideas they want to present, chose how and in what order they want to present those ideas and make all changes necessary to improve the speech, such as to revise it and edit it. However, to stand up straight while speaking, pronounce each word clearly and look directly at the audience are all actions that the speaker should take into consideration the moment they give the speech.