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参考解析：
刷刷题刷刷变学霸
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】降低风险成本是风险管理的基本目标。根据风险管理理论，风险成本包括()。
A.
风险损失的实际成本和间接损失成本
B.
风险损失的实际成本和风险损失的无形成本
C.
风险的直接损失成本和间接损失成本
D.
风险损失的实际成本、无形成本和控制风险损失成本