采用( )时,实现了集权与分权的最优结合,有利于调动各类人员的工作积极性。
A.直线制
B.职能制
C.直线职能制
D.矩阵制
参考答案:D
_______ children in Africa have little food to eat, and we can help them.
A.Million
B.A millions
C.Millions of
D.Millions
词族索引