【单选题】目前,比较流行和具有代表性的客户终生价值预测方法为客户事件预测法和()
【单选题】When calculating the cost of in-house training, many small firms do not include
【单选题】When calculating the cost of in-house training, many small firms do NOT include ______.
【单选题】--What made her so upset? -- __________
D.
Because of losing her bike.
【单选题】She has her bike repaired,________?
【判断题】Employee training is a prevention cost.
【判断题】H1N1流感病毒首次于2009年在人类身上发现。
【判断题】自然秩序是重农学派理论的哲学基础。( )