在中间站,牵出线有效长不应小于()。

题型:填空题

问题:

在中间站,牵出线有效长不应小于()。

考点:交通运输工程铁路车站与枢纽铁路车站与枢纽题库
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A rich man loved his little boy very much. He wanted  1  him happy all the time. So he gave him everything that he could buy with   2  . But the little boy was still   3  .Where he went, he always wore a frown(皱眉). And he always wished for something he did not have. The rich man didn’t know   4   to make his son happy.
One day, a magician(魔术师) came and said to him, “I can make your son happy and   5  his frowns into smiles, but you must pay me a great price   6  telling him the secret.”
“All right,” said the man, “No matter what you ask for, I  7   you.” The magician took the boy into a secret room. He wrote something on a piece of paper, and then gave it to the boy. There were some words on the paper, “Do one   8   thing for someone every day.” The boy followed the   9   and became one of the happiest boys.
I think only those who are always thinking about   10  can be truly happy.
小题1:
A.keepB.getC.to makeD.to do
小题2:
A.moneyB.foodC.timeD.toys
小题3:
A.relaxedB.unhappyC.angryD.worried
小题4:
A.whyB.howC.whatD.who
小题5:
A.turnB.comeC.putD.look
小题6:
A.onB.forC.atD.with
小题7:A will give     B have given    C. gave         D. am giving
小题8:
A.boringB.badC.kindD.hard
小题9:
A.adviceB.medicineC.bookD.umbrella
小题10:
A.anotherB.the otherC.otherD.others
题型:填空题

某软件开发项目计划设置如下基线:需求基线、设计基线、产品基线。在编码阶段,详细设计文件需要变更,以下叙述中,()是正确的。

A.设计文件评审已通过,直接变更即可 

B.设计基线已经建立,不允许变更 

C.设计基线已经建立,若变更必须走变更控制流程 

D.详细设计与设计基线无关,直接变更即可

题型:填空题

对于商品流通企业已经营多年的商品,如果该商品处在增长阶段,可选用的预测方法有()。

A.移动平均数法

B.算术平均数法

C.指数平滑法

D.上期销售量法

E.回归分析法

题型:填空题

气流过山时,如果大气稳定而潮湿,在迎风坡上可以生成()云。

A、积状

B、波状

C、特殊

D、层状

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西方社会的古代社会保障思想更注重于治标之术

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