问题 不定项选择

某新建工程,已知其110kV配电装置土壤电阻率ρt为100Ω.m,接地短路(故障)电流的持续时间,取0.4s,试计算:

110kV配电装置的接触电位差计算结果是()。

A.205V

B.284V

C.302V

D.358V

答案

参考答案:C

改错题

短文改错(共10小题;每小题1分,满分10分)          

此题要求改正所给短文中的错误。对标有题号的每一行做出判断:如无错误,在该行右边的横线上画一个(√);如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。

此行缺一个词:在缺词处加一个漏词符号(∧),在该行右边横线上写出该加的词。

此行错一个词:在错的此下划一横线,在该行右边横线上写出改正后的词。

注意:原行没错的不要改。

After I finished the school this year, I began to                                     76._____

look for work. Now several month later, I still hadn’t                      77._____

found the job that I was interested. Last Sunday morning,                       78._____

I received a phone call from a man calling him Mr. Smith.                         79._____

He said to me on the phone, “I hear you do very well in your                   80._____

studies. I may provide a job for you. ”I entered                                            81._____

his office with a beaten heart. How I hoped that I                                      82._____

will go through the job-hunting talk today and he would                           83._____

take me on as a lab assistant. But to my surprised,                                  84._____

what he said disappointing. He only needed a model.                                85._____

单项选择题