急需求解一篇英语阅读理解的答案

急需求解一篇英语阅读理解的答案

题目
急需求解一篇英语阅读理解的答案

  Internet use appears to cause a decline in psychological well-being, according to research at Carnegie Mellon University.Even people who spent just a few hour's a week on the Internet experienced more depression and loneliness than those who logged on 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.
  Researchers are puzzling over the results, which were completely contrary to their expectations. They expected that the Net would prove socially healthier than television, since the Net allows users to choose their information and to communicate with others.
The fact that Internet use reduces time available for family and friends may account for the drop in well-being, researchers hypothesized.Faceless, bodiless "virtual" communication may be less psychologically satisfying than actual co

答案
BADBC 自己做的呦,应该没错的
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
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