King Frederick and Peter’ the Great lived in the same historic period.

A．black children are slow in learning in their own neighborhood
B．black children can't enjoy adequate education
C．black children are severely discriminated in their own neighborhood
D．black children are required to receive an education of a different culture

A．only the Accounts Department is involved in the management of salaries
B．different job performances should be given different payments
C．an evaluation system based on points is usually used to measure management work
D．evaluating management work makes no difference from other work