问题 问答题 简答题

试述电力电缆的电压等级以及240mm2以内的标称截面。

答案

参考答案:

电压等级有:1;3;6;10;20;35;60;110;220;330kV

截面有:2.5;4;6;10;16;25;35;50;70;95;120;150;185;240平方毫米。

完形填空
I sat down to read under an old tree in the park. I felt my life was   36 , for my whole world was dark.
A young boy ran up to me, out of breath. He stood  37   before me with his head down and said   38 , “Look what I found!” In his hand was a flower, and what a poor sight! The flower was dry and   39 . I gave him a small smile and then turned my eyes away so that he could take his dry flower and go off to play.
  40 , he sat next to my side and placed the flower to his   41  and said in surprise, “It smells sweet and it’s beautiful, too. That’s   42  I picked it. Here, it’s for you. ” The flower before me was dead. But I knew I must   43  it, or he might never leave. So I accepted the flower, and replied, “This is just what I   44 . ” Just then, for the first time I noticed that the boy could not   45  —he was blind.
Tears (眼泪) came down my face as I   46  him for picking the best one. “You’re welcome. ” he smiled, and then ran off to   47 . I sat there and wondered how he was able to learn about my pain (痛苦).
Through the eyes of a blind child,   48  I could see the problem was not with the world; the problem was me. And for all those years I myself had been   49 . I decided to see the beauty in life, and   50  every second of my life. And then I held that dry flower up to my nose and breathed in the smell of a beautiful rose.
小题1:
A.hopelessB.colourfulC.simple(简单的)D.wonderful
小题2:
A.justB.rightC.straightD.along
小题3:
A.deadB.freshC.aliveD.heavy
小题4:
A.sadlyB.strictlyC.angrilyD.excitedly
小题5:
A.deadB.freshC.aliveD.heavy
小题6:
A.SoB.OrC.HoweverD.And
小题7:
A.headB.noseC.earD.neck
小题8:
A.howB.whenC.whereD.why
小题9:
A.buyB.sellC.acceptD.break
小题10:
A.admireB.dislikeC.wantD.have
小题11:cry               B. speak                C. smile            D. see
小题12:
A.forgaveB.thankedC.paidD.hated
小题13:
A.at mostB.at timesC.at firstD.at last
小题14:
A.cheerfulB.usefulC.blindD.deaf
问答题