单项选择题
（）is one of functions in logistics, which can deliver goods to customer directly by order in the most economic way.
A.Transportation B.Distribution C.Sending goods D.Carrying goods
单项选择题 （）is software about the relation between the customer the customer and the supplier in marketing
单项选择题 （） is guaranteed by the full market supply and Just-In-Time (JIT)
单项选择题 （） is very convenient equipment for loading and unloading goods.
