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Introduction
For the past decades, with the development of technology and increasing demand for free flow of information from the public,American TV news industry has developed by leaps and bounds. At the initial stage, the function of TV news coverage is to inform the public on what has happened but after the coverage of “watergate” scandal in 1972, the audience began to adopt suspicious attitude towards the authentity of every piece of information,then the supervision function of TV news on government and public affairs has reveals(王伟书P23). Today, the boom of new media, especially the internet, has been favored as the first information source by many people considering the speed and density of news dissemination. However, the authennity and authority of the internet are questioned by the public. (PPTziliao)In a fast—changing society, the masses are not only satisfied with what has happened, but also why that happened and they want to hear the voice straight from the mouth of people engaged in the spot news. Therefore, in an audience—oriented and rating—driven media market in contemprary America with a root in consumerism, the TV news interview focusing on latest public affairs and events drawing a lot of eyeballs has become a major vehicle for presenting news and commentaries and excerts significant influence on a great range of audiences from every walk of life via the language behaviors of program participants. Moreover, as a convention universally acknowledged in American TV news circle, the gate keeper, who has a definite control of what should be revealed and what should not in the TV news program is always the anchor, to be more exact, the charisma and style of a leading anchor greatly determine the style and popularity of a certain program as a whole.

华莱士的介绍
In America, the most enduring and prominent television news personalities is Mike Wallace, his no-holds-barred interviewing technique and enterprising reportage earns him the title of “the father of TV news interview”(PPT 华莱士记者生涯).During his 50—year long-running broadcast career, he has made numerous and timely interviews, and developed a reputation as an inquisitorial interviewer.His relentless pursuit of fidelity and deep exposure of the newsmakers is highly acclaimed by his followers in TV news industry. The producer of “60 minutes”,Dan Hewitt once said, “All the good things at ’60 minutes” started with Mike Wallace, and without him, without 60minutes.”(PPT 华莱士记者生涯) Another famous news anchor, Dan Rather, even considers Mike Wallace as role model for his own career.He used to make a specific analysis of Mike Wallace’s style in news—interview,such as the questioning manners, discourse feature,tone, expression,and gesture,and then concluded that “Mike Wallace is born tobe a news interviewer”. Therefore, a study of Mike Wallace’s discourse in news interview can be of value.

为什么要研究本论文研究目的英语硕士毕业论文
Although both Chinese and western researchers have contributed a lot to the study of conversation in news interview from many perpectives,little attention has been paid to pragmatic principles reflected from TV news interviews, especially from the angle of discourse strategies used by hosts, and this paper is intended to deal with this issue specifically, to explain how some discourse that Mike Wallace has applied in本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。