30. You are planning a lecture. You should do all of the following EXCEPT which one?

A. avoid talking for more than 5 minutes (middle school) and 7 minutes (high school) before having students do an activity.

B. use PowerPoint or other visuals, audio to enhance your presentation.

C. emphasize critical comments focused on what the students are doing wrong—so they will improve.

D. try to have students generate ideas rather than you stating what they should do.

E. include stories, personal experiences, cool examples related to what you are teaching.