工频高压试验变压器的特点是额定输出()。A、电压高,电流小; B、电压高,电流大;

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问题:

工频高压试验变压器的特点是额定输出()。

A、电压高,电流小;

B、电压高,电流大;

C、电压低,电流小;

D、电压低,电流大。

考点:电气试验工考试初级电气试验工初级电气试验工题库
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将蚯蚓放在干燥环境里,不久就会死去,其原因是

A.无法进行呼吸

B.温度太高

C.循环系统受到破坏

D.蚯蚓是水生生物

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阅读下面的短文,在文后的句中每个空格上填上一个当适的单词。(每题1分,计10分)
A cleaner gives a bag full of 400,000 yuan in cash(现金) back to the man who accidentally left it behind at a hotel in Hankou, Hubei Province.
A student from Huazhong Normal University, who sweeps at the hotel to do a part-time job, found the bag and handed it over to the hotel reception. The hotel’s owner, impressed(使印象深刻) with his honesty, promised to make him a waiter at one of the restaurants.
Chanjiang Daily
 
A prepaid(预付) phone card charged a love story. A resident(居民) of Dalian, Liaoning Province, married a woman he met one year ago, when he recharged(续充) her cell phone with 100 yuan by mistake.
He called the number he had mistakenly recharged, and the girl on the other end “was ever so polite.” “I fell in love,” the man said in a speech at his wedding last week.
Liaoshen Evening News
Two Pieces of __小题1:__
 
The first piece
The second piece
Title
A cleaner __小题2:__ a bag full of 400,000 yuan in cash
A propaid phone card _小题3:_ a love story
Who
A __小题4:__ from Huazhong Normal University
A resident of Dalian
What happened
·Found a bag __小题5:__ 400,000 yuan
·Gave the bag back its _小题6:__
·Recharged a woman’s cell phone __小题7:__
·Called the woman’s number
·Fell in love
__小题8:__
Got a __小题9:__ as a waiter __小题10:__ of his honesty
Married the woman
 
题型:单项选择题

(2013海南)下列物质中属于盐的是

A.纯碱(Na2CO3

B.碳酸(H2CO3

C.氢氧化钠(NaOH)

D.生石灰(CaO)

题型:单项选择题

一般地讲,只有在公司股价剧涨,预期难以下降时,才采用股票分割的办法降低股价; ( )

题型:单项选择题

2002年,市委、市政府又决定五年拨专款6亿元,实施《“人文奥运”文物保护计划》,按照( )的方案,重点营造北京历史文化名城的基本格局、风貌。

A.整治两线景观、恢复五区风貌、再现京郊六景

B.整治五区风貌、恢复两线景观、再现京郊六景

C.整治两线景观、恢复京郊六景、再现五区风貌

D.整治京郊六景、恢复两线景观、再现五区风貌

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