2. 外语
  3. When it comes to protecting the privacy of their children, US parents give social networks a【B1】______ grade. Three out of four

When it comes to protecting the privacy of their children, US parents give social networks a【B1】______ grade. Three out of four

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问题     When it comes to protecting the privacy of their children, US parents give social networks a【B1】______ grade. Three out of four parents polled by Zogby International believe social networks are not doing a good jobof protecting kids’ online privacy. The【B2】______was conducted for Common Sense Media, a nonprofitorganization【B3】______to helping families navigate the world of media and technology. Ninety-two percentof parents said they are worried that children share too much information online, and 85 percent said they aremore【B4】______online privacy than they were five years ago. The poll found a great deal of worry aboutgeo-location services which pinpoint someone’s whereabouts. Ninety-one percent of parents said search enginesand social networking sites should not be able to share the【B5】______ location of children with othercompanies until parents give authorization. "The poll results【B6】______ a clear divide between theindustry’s view of privacy and the opinion of parents and kids," Common Sense Media chief【B7】______andfounder James Steyer said. "American families are deeply worried about how their personal information is being used by technology and online companies, yet the companies appear to be keeping their heads deep in the sand,"Steyer said. "Technology companies need to【B8】______but parents, children, schools and government alsoneed to do more. Parents and kids have to【B9】______themselves about how to protect their information,"he said. " Schools should teach all students and their parents about privacy protection. And finally,【B10】______have to update privacy policies for the 21st century. "
【B4】
选项
答案concerned about
解析 由空格前的more以及more前的系动词are可以推断出，空格处应填入一个形容词或词组充当句子的表语。结合录音可知，答案是concerned about, be concerned about意为“关注，关切”。
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