用兆欧表检查线路绝缘时,与齐纳式安全栅连接导线应()。 A.短接 B.断开 C.无关

题型:单项选择题

问题:

用兆欧表检查线路绝缘时,与齐纳式安全栅连接导线应()。

A.短接

B.断开

C.无关

D.接地

考点:仪表工考试中级化工仪表维修工中级化工仪表维修工题库
题型:单项选择题

根据音标写单词。    

     A good ['brekf?st]            is import.ant. We can ['i:zili] __         understand it. We have not eaten

['eniθi?]              for about twelve hours by breakfast time. Our bodies need food for ['m?:ni?]            

activities.                                                                                       

     One good breakfast should be rice or bread, an egg, milk and [fru:t]_         . On a cold morning,

a cup of hot  [dri?k]            is necessary. We must get up ['3:li]             to have enough time to eat

breakfast. A good breakfast helps us to [smail]              more easily. It helps us to be more

['frendli]               and also to [w?:k] __         better and play more happily.

题型:单项选择题
先找出规律,再填入合适的数.
(1)
39
511
1218
14
(2)
13207
9178
59
题型:单项选择题

柯尔伯格研究道德发展的主要方法是()。

A.自然观察法

B.实验室实验法

C.两难故事法

D.对偶故事法

题型:单项选择题

资金具有时间价值的根本原因是()。

A.投资和再投资

B.资金能产生利润

C.资金具有增值性

D.市场供求关系的变化

题型:单项选择题

电气设备的高、低压是如何划分的?

更多题库