2/3. Brooke often uses pauses and emphasis when she's doing her "nodies" like in 'add sex and stir' when they edit the video with Brooke's new question and new "nodies".
4. Pace is used in 'smaller fish to fry' when Marty goes into the dry cleaners and busts them for stealing money, this achieves a frenzied mood, helping to express the nature of what they are doing, in trying to sensationalise the show.
Sorry... I can't think of the others (1 & 5) off the top of my head!