36. T F According to your textbook, an internal summary must be used after every main point in a speech. 37. T F A public speaker should avoid using transitions and internal summaries together. 38. T F Signposts state both the idea the speaker has finished and the one the speaker is about to begin. 39. T F Questions are particularly effective as signposts because they invite subliminal answers and thereby get the audience more involved in the speech. 40. T F “Now that we have explored the problem, let’s turn to the solution†is an example of an internal preview. Â