题目内容

用于电能计量的电流互感器的准确级次应选用()。

A. 0.5级
B. 1级
C. 3级
D. 0级

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任何一种化学热处理元素渗入的三个基本过程是(),(),()。

考察企业培训师对培训目标和内容的理解能力的具体做法是:让其按照要求准备相关的(),并进行提前审定。

A. 教学方法
B. 教学讲义
C. 教学评估方案
D. 教学大纲

The production database has been functional for the last seven days. Because of application requirements, some of the initialization parameters were changed during run time without any comments. You have been asked to find out the value of the parameters when the instance was started. Which source would you use to locate this information?()

A. fixed views
B. the alert log file
C. the parameter file
D. the server parameter file
E. dynamic performance view

单层厂房的屋面板不能承受屋面上的恒载和活载。

A. 正确
B. 错误

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