Ethos refers to the audience's perception of whether a speaker is qualified to speak on a given topic.
                    举一反三
- __________ is the audience’s perception of whether the speaker is qualified to speak on a given topic.
 - Credibility<br/>is the audience’s perception of whether a speaker is qualified<br/>to speak on a given topic. ( )
 - __________ is the audience’s perception of whether the speaker is qualified to speak on a given topic. A: Credibility B: Goodwill C: Connectivity D: Egocentrism
 - __________ is the audience’s perception of whether the speaker is qualified to speak on a given topic. A: Credibility B: Good will C: Connectivity D: Ego-centrism
 - Credibility means whether the speaker is a scientist to speak on a given topic.
 
