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共用题干 1. Internet use appears to cause a decline in psychological well-being,（因特网的使用使人们的心理健康度下降）accor...
共用题干
1. Internet use appears to cause a decline in psychological well-being,（因特网的使用使人们的心理健康度下降）according to research at Carnegie Mellon University. Even people who spent just a few hours a week on the Internet experienced more depression and loneliness than those who logged on（进人电脑系统）less frequently, the two-year study showed. And it wasn't that people who were already feeling bad spent more time on the Internet,but that using the Net actually appeared to cause the bad feelings.
1. Internet use appears to cause a decline in psychological well-being,（因特网的使用使人们的心理健康度下降）according to research at Carnegie Mellon University. Even people who spent just a few hours a week on the Internet experienced more depression and loneliness than those who logged on（进人电脑系统）less frequently, the two-year study showed. And it wasn't that people who were already feeling bad spent more time on the Internet,but that using the Net actually appeared to cause the bad feelings.
参考答案: D
参考解析: 第一段是全丈的中心段落，主要讲迷了“因特网的使用产生了不好的结果”。
第二段主要讲述了“研究人员的困惑”。上一段中提到的结果与他们预期的完全相反。
第三段主要讲述了”上网是怎样使幸福感下降的“。其中包括与家人和朋友相聚的时间减少了，以及上网者通过时外面世界的了解，对自己的现有生活产生不满等。
最后一段提出了一个观点，导致这个结果的关健并不是因特网本身，而是人们便用它的方法。因此段意总结为“不怪因特网”。
只花少；量时间上网的人可能比从不上网的人感到更抑郡。第一段提到：即使是每周仅上几个小时网的人也会比上网频率更低的人感到更抑郁、更孤独。
事实上人们产生的不好感觉是在上网之后。第一段结尾提到：不是已经感觉不适的人才花更多的时间在因特网上，而是使用网络实际上引发了人们的不适。
通过因特网接触外面更广阔的世界使上网者降低了对现有生活的满意度。第三段末尾提到了这一说法。
研究人员曾经预期网络比起电视更有益于社会。第二段提到了这一说法。
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