Which one of the following repair will cost the least cost?（）

单项选择题Why shiprepair is an inherently difficult business to manage in the conventional sense?（）

A.Because it is difficult to plan and manage
B.Because it is cannot be well categorized
C.Because it is a difficult work for people to undergo
D.Because it is seldom researched by research

单项选择题In order to improve the efficiency of the communication with shore personnel, you should（）

A.inform the chief engineer whenever there are problems
B.reduce the time wasted on checking items
C.know who is responsible for the domestic cleaning equipment
D.know the chain of authority on the ship

单项选择题When accepting engine room spares, you should（）

A.send a requisition list to the supplier
B.check that whether the items ordered have been already delivered
C.make the chief engineer on sport
D.follow a preset procedure

单项选择题When you are asked to assist in accepting delivery of goods, you should（）

A.make clear of your authority
B.make friends with ships crew
C.call the first engineer if there is a problem
D.call the master if there is a problem

单项选择题Who will mainly handle the negotiation during store and spare parts transaction?（）

A.Chief engineer
B.Second engineer
C.Master