单项选择题
（）is the general meaning of the contract, bill, note and proof in the process of logistics .
A.logistics activity B.logistics documents C.logistics paper D.documents
单项选择题 ASRS (Automated Storage and Retrieval System) is（）
单项选择题 ERP (Enterprise Resource Planning) is（）
单项选择题 （）is the charge for shipping goods.
