Common knowledge is useful as supporting material not because it is true but because most people

To use language ethically, a speaker should ____

A) avoid controversy and use lively, vivid wording that is aesthetically pleasing B) shock the audience, to the point of generating discomfort, so they will understand the ethical importance of the speech C) use language true to his or her own character, even if it might be uncomfortable for the audience, since it's unethical to not be true to yourself D) try to promote mutual respect, and avoid language the audience may find offensive

Primary emotions, which research has shown tend to be expressed similarly across cultures, include all of the following except: a. guilt

b. sadness. c. surprise. d. disgust.