An Enterprise Resource Planning (ERP) is built upon a commercial (34) that promises the seamless (35) 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 (36) according to the organization’s unique process requirements through a tool set contained within the ERP applications. Using ERP, (37) 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 (38) sessions during the early stages of ERP implementation.

34（）

A. operating system

B. middleware

C. software package

D. management system

下列哪一项是恶性组织细胞病的最重要特征（）。

A.起病急，高热，衰竭和进行性贫血

B.全血细胞减少

C.血涂片找到不典型的单核细胞

D.骨髓涂片见到形态异常的组织细胞

E.以上都不正确