用电位差计差值法检定DVM时,保证准确度的主要因素是标准电池和标准分压箱的分压系数K

题型:判断题

问题:

用电位差计差值法检定DVM时,保证准确度的主要因素是标准电池和标准分压箱的分压系数K。

考点:变电运行工考试变电运行工(初级工)变电运行工(初级工)题库
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短文改错。
Hong Kong is the name of a island of China.
Many years ago the island of Hong Kong was belonged 
to China. It had a good port. Ship often stopped 
there. Most of the ships came to Britain. They came
to China buy and sell many things. But then
war began among China and Britain. 
In 1864 the Chinese and the British came to the
meeting. That was the end of the war. On the meeting
the island of Hong Kong was given to the Britain. 
No many people lived in Hong Kong at first. But soon a lot of people came.
1. _____      
2. _____
3. _____
4. _____
5. _____
6. _____
7. _____
8. _____
9. _____
10. _____
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患儿,男,8个月,因"发热、咳嗽、气促并口周发绀2天"来诊。查体:P170次/分,R60次/分;鼻翼扇动;双肺有细小湿性啰音;肝肋下3cm。诊断:先天性室间隔缺损。

其可能的并发症是()。

A.肺炎

B.支气管炎

C.心力衰竭

D.呼吸衰竭

E.细菌性心内膜炎

题型:判断题

设y=5x,则y'等于().

A.A

B.B

C.C

D.D

题型:判断题

依据《建设工程质量管理条例》,( )单位在建设工程竣工验收后,应及时向建设行政主管部门或者其他有关部门移交建设项目档案。

A.设计

B.施工

C.监理

D.建设

题型:判断题

旅行社企业必须购买______,它是一种______保险。

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