20（）

A．Integrated process and quality management is called for.
B．Considerable thought and hard work are the premise of providing such a mentioned system.
C．The procedures mentioned here can help employees fulfill their work.
D．The effort made in providing such a system will be great while what we get will be littl

A．these highly complex systems are in agreement with different requirements related to their organization.
B．they are different systems unheard of a few decades ago.
C．the requirements are relevant to their organization.
D．do without understanding social and behavioral pressur