VOA慢速英语:研究称美国人认为民主需要媒体，但是媒体不可靠

biased – adj. showing one side as better than another side in an unfair way

sobering – adj. causing seriousness or thoughtfulness

function – v. to operate correctly

unfavorable –adj. showing disapproval

Move the dial –idiom to cause something to change in a way that can be seen or heard

attitudes –n. (pl.) the way someone thinks about a subject in general

fake – adj. a copy or reproduction; opposite of true or real

critical –adj. extremely important