【单选题】―What’s for dinner? I’m hungry. ―________.Dinner will be ready shortly.
【简答题】用隐枚举法求解下列问题:max z=3x 1 +2x 2 -5x 3 -2x 4 +3x 5 , s.t.x 1 +x 2 +x 3 +2x 4 +x 5 ≤4, 7x 1 +3x 3 -4x 4 +3x 5 ≤8, 11x 1 -6x 2 +3x 4 -3x 5 ≥3, x j =0或1(j=1,2,…,5).
【判断题】招聘和培训访员是访员手册的内容之一。( )
【简答题】用割平面法求解 max(4x 1 +5x 2 +x 3 )
【单选题】Suddenly they see the moment for one of their best anecdote s, ....
【简答题】max z=3x13-4x1+2x22-5x2+2x3
【简答题】max z=x1+2x2+3x3+4x4
【单选题】I was reading attentively in my own room ________ suddenly he knocked at the door.
【单选题】某化妆品店2016年10月委托某化妆品加工厂加工A类化妆品10套,化妆品店提供原材料成本为30000元,支付不含税加工费8500元,受托方A类化妆品不含税售价为5400元/套;另外委托其加工新型B类化妆品5套,该化妆品店提供原材料成本为40000元,支付不含税加工费10000元,由于B类化妆品为一种新型化妆品,受托方无同类售价。当月将委托加工的化妆品全部收回入库,受托方未履行代收代缴消费税义务。则...
【单选题】Most of us see a doctor ______ when we get a cold or something.This won't cost us a lot.