在进行设备购买与设备租赁方案经济比较时，应将购买方案与租赁方

搜题请搜索小程序“爱下问搜题”

问题单项选择题

在进行设备购买与设备租赁方案经济比较时，应将购买方案与租赁方案视为 ______ 。

A．独立方案

B．比较方案

C．互斥方案

D．优化方案

答案

参考答案：C

改错题

下列各句均有一处错误，请指出并改正。
1. Tony wasn't watch TV last night. 2. He didn't liked the TV play. 3. When I was a child,I often listen to music. 4. Betty didn't her homework at home. 5.Where was she go last night?	_____ _____ _____ _____ _____

单项选择题

小儿禁用

A．青霉素类

B．头孢菌素类

C．大环内酯类

D．林可霉素类

E．喹诺酮类