单项选择题

The purpose of changing the organizational structure is that

A． everybody has a right position.
B． everybody knows his own role.
C． everybody is clear about his duty.

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单项选择题

A．collecting
B．purchasing
C．selecting
D．ordering

填空题

39（）

The purpose of changing the organizational structure is that 您的浏览器不支持 audio 元素。