An Enterprise  Resource Planning (ERP) is built upon a commercial (1)      that  promises the seamless  (2)  of all the information flowing through  the  company─ financial, accounting, human  resources, supply chain  and  customer  information. In implementation, all ERP systems include several features. The system is installed on a typical database  management system.  It requires initial  setup  according  to  the  organization’s process, but it may be  (3)  according to the organization’s unique process requirements through a tool set contained within the  ERP  applications. Using ERP, (4) can be prescribed  to automate approval processes through established chains of command. One of the methods used to effect rapid implementation of the ERP system is to  conduct concurrent  (5)  essions
（1）A、operating system
B、middleware
C、software package
D、management system
（2）A、association
B、connection
C、combination
D、integration
（3）A、customized
B、made
C、manufactured
D、produced
（4）A、functions
B、processes
C、information
D、workflows
（5）A、JRP
B、BPR
C、RAD
D、JAD