【单选题】雨水管道出外墙后发现距雨水检查井较远,( )污水检查井。
【判断题】企业作决策时需要提供具有预测性的信息,信息越多越好,不用考虑传递成本等,因为信息无成本。
【判断题】Rice was firstly cultivated in the Yellow River valley in China about 7000 to 8000 years ago.
【判断题】Rice was firstly cultivated in the Yellow River valley in China about 7000 to 8000 years ago.