Heart disease has been a major cause of death for ______ years.

Research suggests that patterns of media multiplexity depend not just on enjoyment, but also on a person's level of communication competence.

a. true b. false

Which of the following is not one of the steps for the standard impromptu speech?

a. Select one thought. b. Organize your thought into a pattern. c. Support your points with specifics. d. Construct a conclusion with a preview of points.