供应链实质上是采用计算机网络管理商业伙伴间的商业利益。
参考答案：对
They lived a hard life and were often made _______ for over ten hours a day.
A．work
B．to work
C．to working
D．worked
微型计算机系统中，下面与CPU概念最不等价的是
A．中央处理器
B．微处理器
C．主机
D．控制器和运算器
