（）劳动保障协理员对下岗失业人员进行分类职业指导的内容是政策咨询和岗位信息咨询，指导设计职业培训计划，辅导求职方法，帮助下岗失业人员选择职业。
参考答案：错
如果正整数n有以下性质：n的八分之一是平方数，n的九分之一是立方数，它的二十五分之一是五次方数，那么n就称为“希望数”，则最小的希望数是______．
In the former Soviet Union several cases have been reported recently______people who can read and detect colors with their fingers, and even see through solid doors and walls.
A．of
B．on
C．about
D．with
