Which verbal cues would help a speaker develop ethos with an audience? Select all that apply. using technical terms or jargon and not explaining what they mean
using a multitude of space fillers
speaking loudly enough for everyone to hear
knowing what he is going to say so as to avoid space fillers

The institute of international research is holding its annual convention. this year more than 500 scholars have been invited to hear research reports on many timely topics. approximately 250 big name scientists will be winging their way to washington, d. c. how can the underlined sentence be revised so that it fits the tone of the passage? a) approximately 250 people will be in washington, d. c. b) approximately 250 bigwigs will be flying to washington, d. c. c) approximately 250 science people will be going to washington, d. c. d) approximately 250 well-known scientists will be arriving in washington, d. c.