单项选择题
（） is based on logistics network, but more computerized and systematized than logistics operation
A.Virtual logistics B.Imaginary logistics C.Thinking logistics D.Logistics planning
单项选择题 The Bill of lading signed by the shipping company is（）
单项选择题 （）is the method to keep the best inventory level and position with the minimum cost to satisfy the demand
单项选择题 （）is the motor carrier service between the different cities domestically.
