【正确答案】正确答案：Speech community is a group of people who share a set of norms and expectations regarding the use of language. Speech communities can be members of a profession with a specialized jargon , distinct social groups like high school students or hip-pop fans. In addition, online and other mediated communities, such as many internet forums , often constitute speech communities. Members of speech communities will often develop slang or jargon to serve the group"s special purposes and priorities.