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举一反三
【单选题】As high school students flock to social networking sites, campus police are scanning their Facebook and MySpace pages for tips to help break up fights, monitor gangs and prevent crime. Some students o...
A.
students’ casual attitude to private information
B.
the technical support offered by the websites
C.
the approval given by the students themselves
D.
the special right granted by the government
【单选题】域名是Internet服务提供商(1SP)的计算机名，域名中的后缀．gov表示机构所属类型为______。
A.
军事机构
B.
政府机构
C.
教育机构
D.
商业公司