该图为四个地区农业产值结构和商品率示意图，读图回答下题。

关于四个农业类型所在地区农业生产特点的说法，最可能正确的是

A．甲主要生产水稻，只分布在东亚季风区

B．乙主要生产小麦和玉米，多分布在地广人稀的地区

C．丙主要种植小麦和玉米、饲养牛羊，机械化水平很低

D．丁主要生产鲜奶及乳产品，分布在地广人稀的干旱地区

完型填空（每空1分，共5分）The bill of lading by itself is not a contract of carriage as it is signed only by the carrier. However, it provides（ ① ）. It serves as a receipt for goods delivered to the carrier. Besides, the bill of lading serves as a document of title enabling the goods to be transferred from the shipper to the consignee or any other party by endorsement.The sea waybill is the replacement of the traditional （ ② ）. The waybill is a non-negotiable document and made out to a （ ③ ） who is allowed, upon production of proper identification, to claim the goods without presenting the waybill.The （ ④ ） is issued by the carrier to enable the consignee to take delivery of the cargo from the vessel.The mate’s receipt is the receipt issued by the chief mate in the acknowledgement of the goods received on board which is subsequently exchanged for the（ ⑤ ）.

A．dock receipt

B．delivery order

C．bill of lading

D．sea waybill