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． shipper

B．consignee

C．carrier

D．exporter

维修工对影响通车而短时间不能排除的故障，必须在隐患地点前后（）m设置防护，并通知调度。

A.30

B.40

C.50

D.60