案例菲菲是一个热情又善良的女孩。一天,菲菲正跟同学逛街,一位叔叔走过来对她说:“同学,你好,我是青少年心理调查机构的工作人员,有一份调查报告想请你帮忙填一下。”菲菲乐于帮助别人,于是就按照问卷上的要求,将自己的学校、班级、家庭住址和父母的姓名、电话都填了上去。暑假,菲菲参加了学校组织的夏令营,走后的第二天,她妈妈就接到了一个陌生人的电 Case Fifi is a warm and kind girl. One day, Fifi is shopping with her classmates. An uncle came over and said to her: “Classmate, hello, I am a staff member of the Youth Psychological Investigation Department. I have a survey report and would like to ask for your help.” Others, so in accordance with the requirements of the questionnaire, will be their school, class, home address and parents’ names, telephone filled up. Summer vacation, Fifi attended the school summer camp, the day after leaving, her mother received a stranger’s electricity