There’s something about the Internet that can bring out meanness in teenagers. That is one finding of a study to be released

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问题     There’s something about the Internet that can bring out meanness in teenagers.
    That is one finding of a study to be released Wednesday, reporting that nine in ten teenagers say they have witnessed cruelty by their peers on social networks.
    For the vast majority of teens, Facebook is the social network of choice. Incidents of mean and cruel behavior are pervasive and cut across all ages and backgrounds on social networks, according to the study by the Pew Research Center’s Internet & American Life Project, which surveyed 800 children between the ages of 12 and 17.
    The data on Internet experiences for young people is not all bad. Eight in ten teenagers said they have developed positive feelings about themselves and forged better friendships on social networking sites, according to Pew.
    Still, the prevalence of "mean" behavior—a term the center doesn’t define—raised concerns among child-safety advocates and parents who say adolescents may be subjecting themselves to unhealthy online environments. "For teens, these are exciting and rewarding spaces. But the majority have seen a darker side," said Amanda Lenhart, a co-author of Pew’s report, "Teens, Kindness and Cruelty on Social Network Sites."
    Of course, bad behavior among children has been around as long as youngsters have stolen milk money and scribbled insults on bathroom walls, experts say. And online bullying is not as common as what takes place on the schoolyard or in the hallway, Pew said. But there is something about the ease of communication on the Internet that invites an abundance of commentary about peers, experts say. That escalates when people gang up on an individual. Of the teens who said they witnessed cruelty online, 21 percent said they joined in the harassment. Three out of 10 girls ages 12 to 13 said they have experienced mostly unkind treatment on social networks—the most negative response of any group of youth, according to the report.
    Lenhart and other experts on social media said teenagers see themselves differently online than in the real world. Some assume a sort of "alter ego" on the Web, engaging in conversation with more bravado(冒险)and taking more risks than they do when face to face with a peer, she said. Peers can be particularly cruel on sites such as FormSpring that allow users to post comments anonymously, or on the comment boards of sites such as YouTube, according to experts.
    Facebook—with 800 million global users—requires its members to use their real identities, which it thinks is one way to prevent anonymous bullying. It also allows users to block photos of and comments about themselves that they don’t like.
    But that hasn’t stopped all bullying. And some experts worry that younger adolescents are particularly vulnerable. Rachel Simmons, an author and speaker on children and social media, said bullying occurs most in middle school, yet parents are often helping their children get online when they are younger than 13, the minimum age required for Facebook.
    "The younger the kid, the meaner the peer group becomes, so this is an alert to parents that not every kid is ready for the independence of having their own social networking page," Simmons said.
Which of the following statements about Facebook is INCORRECT?

选项 A、It’s a popular social networking site with 800 million users.
B、It requires all the users to use their real identities.
C、Users who are younger than 13 can’t use it.
D、It encourages parents to help children to get online.

答案D

解析 细节题。第九段第三句后半部分提到.然而在孩子不到13岁时,其父母时常帮助他们上网,而Facebook网站要求的最小上网年龄是13岁。可知,[D]“它鼓励父母帮助孩子上网”曲解了本句话的字面意思,故陈述错误,为正确答案,同时可知[C]“年龄小于13岁的用户不能使用它”陈述正确,故排除;第八段第一句提到,在全球拥有8亿用户的Facebook要求其用户使用真实身份,可知,[A]“它是一个拥有8亿用户的流行社交网站”和[B]“它要求所有用户使用真实身份”表述正确,故均排除。
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