【单选题】无差异曲线上任意一点的斜率的绝对值表示
B.
横轴代表的商品的边际效用与纵轴代表的边际效用之比
C.
纵轴代表的商品的边际效用与横轴代表的边际效用之比
【判断题】相对于其他筹资方式而言,自筹资金可以使企业主放开手脚高效地工作。()
【单选题】一个 1000W 的电炉子,其工作电压为 220V,工作 2 个小时耗电为( )KWh。
【简答题】Tourists come mainly for spectacular 1______ and enjoy 2_____ to some of the highest mountains in Europe, 3_____ the extensive 4_______.
【单选题】GW4-110型隔离开关采用双柱( )结构。
【简答题】Listen and complete the notes. Switzerland Bordered countries included : Germany, France, 1.________, Italy and Liechtenstein Tourists come to Switzerland mainly because of the fabulous 2.____________...