单项选择题 The disadvantages of rail compared with motor carrier are（）

单项选择题 A （） is a receipt for the goods shipped and a document of title to the goods, the possession of a（） is equivalent in law to possession of the goods.

单项选择题 The use of （）in many ways reduces staffing needs, minimizes in transit damage and theft, shorten time in transit because of reduced port turnaround time.