直接人工成本差异形成的基本原因包括()。A、用量偏离标准 B、价格偏离标准 C、实际

Jim is one of my closely friends. Two months ago, his mother bought a computer to him as a birthday present. She hoped Jim will study hard with the help of the computer. To his surprise, Jim just wasted plenty of time play computer games every day. Now she regrets buying the computer. As matter of fact, a computer can do a lot of everyday jobs for us. It is wide used in factories, hospitals, banks and so on. Many computers scientists are now trying to make the computer to “think” like a man. In my opinion, the key is what we should use it wisely.

第一斜位又称为（）

A.右后斜位

B.左后斜位

C.左侧位

D.右前斜位

E.左前斜位

接触式温度计安装感温元件时，感温元件应与被测介质流向成90°。

事故观测的定义是什么？

CRM在管理信息化中的地位不是下列哪个？（）

A.CRM是管理信息化的一个重要组成部分

B.CRM是管理信息化体系的前台

C.CRM是企业管理信息化体系的灵魂

D.CRM能有效提高企业办公自动化水平