2011年12月3日。北京出版的两家都市报刊出反映同一事件的一条社会新闻。在新闻的一项重要内容上,竟出现了两个版本,令人茫然面对,无所适从。甲报在A1版上刊登的导读文的主题为:《避让行人撞隔离带驾车民警不幸遇难》,副题为:《昨天凌晨事发南四环事发时车上有一名嫌疑人目前在警方控制中》。A8版上的详细报道的主题为:《避让路上行人警车撞上隔离栏》,副题为:《海淀分局甘家口派出所一民警在事发中遇难》。其导语中则有如下表述:“有说法 December 3, 2011. Two metropolitan newspapers published in Beijing publish a piece of social news that reflects the same incident. In an important part of the news, there have been two versions that are confounding at a loss. A newspaper reported in the A1 version of the introductory text of the theme: ”to avoid pedestrian collision with a car accident police were killed“, subtitle: ”incident occurred yesterday morning when the South Fourth Ring Road, a suspect currently in the police control in“. A8 version of the detailed coverage of the theme: ”to avoid the road pedestrian police car hit the isolation bar,“ the deputy entitled: ”Haidian Branch Ganjiakou police station killed in the incident.“ The guideline has the following statement: ”There is argument