An Enterprise Resource Planning (ERP) is built upon a commercial (71) that promises the seamless (72) 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 (73) according to the organization’s unique process requirements through a tool set contained within the ERP applications. Using ERP, (74) 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 (75) sessions during the early stages of ERP implementation.

（75）处填（）。

A．JRP

B．BPR

C．RAD

D．JAD

有关活髓切断术的叙述中，不必要的是

A．术前口服抗生素

B．局部麻醉，橡皮障隔湿

C．去净腐质，消毒窝洞

D．去净髓室顶，切除冠髓

E．止血、放盖髓剂、氧化锌丁香油暂封窝洞