【正确答案】正确答案： Screenagers refer to those young people who often sit in front of the television and computer, and have a strong ability in comprehending different kinds of technical information. Their lives are filled with various screens, such as computer screens, television screens and cell phone screens. Too much of their attention is paid on screens, which harms their constitution and social abilities. A survey shows that over half of the Chinese children spend more than 2 hours in front of the screens during holidays. They are so immersed in electronic devices that they suffer from "screen dependence", which contributes to the problems of obesity, decreased vision and inattention for an increasing number of children in recent years.

【答案解析】解析：1．在第一句中，“那些经常坐在电视机和电脑前，对各类技术信息领悟能力较强的”是修饰“年轻人”的定语，可使用who引导的定语从句来翻译。 2．在“精力过度集中于这些屏幕，会影响他们的体质和社交能力”中，可将前半句译为主句，后半句使用非限制性定语从句which harms…对主句进行修饰，补充说明其影响。 3．“一项调查显示”常译作a survey shows that…，也可用according to a survey…。 4．“他们沉迷于电子设备，患上‘屏幕依赖症”，这句话包含“某条件下出现某结果”的意思，故使用so…that从句来连接。 5．最后一句话同样表达了孩子们沉迷电子设备造成的结果，可与上一句合译，使用which引导非限制性定语从句，对主句作进一步说明。