—I think it is ______ great pleasure to work with you.

—Me too. What’s more, what we’re doing will make ____ big difference to the lives of poor families.

A．a; a

B．a; 不填

C．不填; the

D．the; an

在明茨伯格的结构型的五要素中，代表组织内的高层管理者的是( )。

A．作业核心

B．顶点

C．技术结构

D．中间层