In today’s world, online social media has become more powerful and the most destructive thing over worldwide. Although with time

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问题     In today’s world, online social media has become more powerful and the most destructive thing over worldwide. Although with time all generations have come to embrace the changes social network has brought about, teenagers and young adults are the most fanatic users of these sites. According to various research studies in the field of online social networks, it has been revealed that these sites are impacting the lives of the youth greatly. When using these sites such as Twitter, Facebook or Myspace, there are both positive and negative effects on the youth.
    Firstly, social media helps the youth and any other user updated with what is happening around the world, and helps the teenagers stay connected and interact with each other even if they are many miles apart. This strengthens their relationship. Even if they finished school and moved to different locations, they stay connected and update one another.
    In addition, social media sites have provided a platform whereby the youth can create groups and pages based on their common discipline and end up building connections and opportunities for their respective careers by updating various topics to discuss. Youth who have been interviewed say that social media has become their lifestyle and it makes their lives easier and more efficient.
    While on the one hand social network sites seem to bring people together and stay connected, on the other hand it causes many physical and mental health problems such as eyes infection, back problems, etc. Other negative effects of social networking various people suggested included encouraging poor spelling and grammar, exposing underage to online predators (捕食者), allowing spread of misinformation that is seen as fact, decreasing productivity as those who are supposed to be working spend time in the sites to chat, providing a perfect platform for cyberbullying and providing details that increase risks of identity theft.
    "The more social media we have, the more we think we’re connecting, yet we are really disconnecting from each other."
    In conclusion, social networking clearly portrays both positive and negative effects on the youth. It is the decision of individuals whether to use it in a right way or wrong.
What does the author mainly imply about the disadvantages of social networking?

选项 A、Increasing the prevalence of oral errors.
B、Putting minors in danger.
C、Spreading falsehoods and rumors.
D、Leaking users’ personal information.

答案B

解析 推理判断题。定位句主要介绍了社交网络的几个弊端,根据“把未成年人暴露给网络猎手”可以推出弊端之一是将未成年人置于危险之中,故答案为B)。A)“使口语错误更为盛行”,定位句提到助长错误的拼写和语法盛行,这些都是笔头错误,而不是口语错误,故排除;C)“传播谎言和谣言”,定位句直接提及允许被视为事实的错误信息传播,无需推断,故排除;D)“泄露用户的个人信息”,由定位句可推断出用户的个人信息可能泄露,但这并非作者主要暗示的社交网站弊端,故排除。
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