题目内容

什么是劳动保护？

查看答案

搜索结果不匹配？点我反馈

更多问题

热轧的优点有（）。

A. 能清除铸造金属中的某些缺陷，使金属的致密性和力学性能得到改善
B. 原料经过加热，塑性提高，变形抗力降低，轧制时可增大变形量
C. 减少金属消耗
D. 高温轧制产生氧化铁皮少

查看答案

事物矛盾的精髓是（）

A. 矛盾共性和个性的关系
B. 内因和外因的关系
C. 主要矛盾和次要矛盾的关系
D. 质量互变规律

查看答案

简述物流成本在管理中的作用。

查看答案

You install an application named App1.exe on a computer. After the installation, the computer becomesunresponsive. You restart the computer and attempt to uninstall App1.exe. The uninstallation of App1.exefails. You need to restore the computer to its previous functional state. You must achieve this goal by usingthe minimum amount of administrative effort. What should you do?（）

A. From Recovery， restore a system restore point.
B. From the Previous Versions tab of App1.exe， click the Restore button.
C. Start the computer， press F8 and then use the Last Known Good Configuration.
D. Create a system repair disc and then start the computer from the system repair disc.

查看答案