GM cannot be used as an indicator of stability at all angles of inclination because（）. ["M is not fixed at large angles","there is no M at large angles","G is not fixed at large angles","there is no G at large angle"]
怎样申请认定就业困难人员？
解释占用带宽的定义，一般β／2应取多少？
一个普通家庭潜在的家庭财务风险比较广泛，其中，对客户影响最大的风险是（） ["财产风险","人身风险","责任风险","信用风险"]
证券发行管理制度不包括（）。 ["核准制","审批制","审核制","注册制"]
什么是矿石、矿物、岩石？三者关系如何？
