常温下，将0．01mol NH₄Cl和0．002mol NaOH溶于水配成1L混合溶液，

（1）该溶液中存在的三个平衡体系是__________________________、________________________、______________________________________。（用离子方程式表示）

（2）溶液中共有_________种不同的粒子。

（3）这些粒子中浓度为0．01mol/L的是________________，浓度为0．002mol/L的是______________。

（4）物质的量之和为0．01mol的两种粒子是_______________________。

（5）_________和__________两种粒子数量之和比OH^-多0．008mol

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

Using ERP,（）can be prescribed to automate approval processes through established chains of command.

A．functions

B．processes

C．information

D．workflows