2013年高考英语二轮复习阅读理解训练14
阅读理解
阅读下列短文，从每篇短文后所给各题的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将项涂黑。
A
Contrary to common belief, social media websites such as Facebook do not weaken personal ties, they strengthen them in unique ways for different age groups, according to a new study．
The rapid spread of Facebook, which has more than 500 million users worldwide, has prompted concerns about its negative effects, but researchers at the University of Texas have reached a different conclusion．
"Our findings suggest that Facebook is not replacing face-to-face interactions between friends, family and
