1、The （）Broadcasting Corporation does not allow advertising on its radio or television channel. 单选题 1分

2、In Britain， there are two main radio and television broadcasting companies. They are the（） and ITC. 简答题 5分

3、In the United States ，there is no government-owned television network. Public television stations and commercial television stations coexist. 简答题 5分

4、（）are carriers of information ，which traditionally include television ,radio and newspapers. 单选题 1分

5、In the United States，（） television stations and commercial television stations coexist. 简答题 5分