21世纪是知识经济的世纪,是科学技术大发展的世纪,而各种传媒之间的竞争正变得越来越激烈。广播电视要想立于不败之地,必须强化自己的队伍。而播音主持表达艺术的规范化、多样化是发展的必然趋势。面对播音员、节目主持人发展空间的不断扩大,播音主持行业将更具有挑战性,对从业 The 21st century is the century of knowledge economy and the century of great development of science and technology. The competition among various media is becoming more and more intense. To be invincible, radio and television must strengthen their own ranks. However, the standardization and diversification of the art of broadcast expression are the inevitable trend of development. In the face of broadcasters, program managers continued to expand the space for development, broadcasting host industry will be more challenging, practitioners