转辙机摇把孔的堵板开关灵活;当插入摇把或开启机盖时,安全接点();当锁好机盖时,该接

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问题:

转辙机摇把孔的堵板开关灵活;当插入摇把或开启机盖时,安全接点();当锁好机盖时,该接点应当接触良好。

考点:铁路工程施工考试铁路混凝土工程施工质量验收标准铁路混凝土工程施工质量验收标准题库
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常用的收益率曲线策略包括()。 A.子弹式策略B.两极策略C.免疫策略D.梯式策略

题型:填空题

下图一次是实验室制取、收集、检验氧气和验证其性质的装置.其中错误的是(  )

A.

B.

C.

D.

题型:填空题
There was a boy in India who was sent by his parents to a boarding school. Before being sent away this boy was the    26   student in his class. He was at the top in every    27  . He was a champion.
But the boy    28   after leaving home and attending the boarding school. His    29   started dropping. He hated being in a group. He was    30   all the time. And there were especially dark times when he felt like    31   himself. All of this because he felt    32   and that no one loved him.
His    33   started worrying about the boy. But    34   they did not know what was wrong with him.    35   his dad decided to travel to the boarding school and talk with him.
They sat    36   the bank of the lake near the school. The father started asking him    37   questions about his classes, teachers and    38  . After some time his dad said, “Do you know, son,   39   I am here today?”
The boy    40  , “to check my grades?”
“No, no” his dad replied, “I am here to tell you that you are the most important person for me. I want to see you happy. I don’t care about grades. I care about    41  . I care about your happiness. YOU ARE MY   42  .”
These words caused the boy’s eyes to fill with tears. He    43   his dad. They didn’t say anything to each other for a long time.
Now the boy had everything he wanted. He knew there was someone on this    44   who cared for him deeply. He    45   the world to someone. And today this young man is in college at the top of his class and no one has ever seen him sad!
小题1:
A.richestB.prettiestC.laziestD.brightest
小题2:
A.gameB.schoolC.competitionD.group
小题3:
A.changedB.diedC.arrivedD.regretted
小题4:
A.hairB.tearsC.loveD.grades
小题5:
A.worriedB.carelessC.lonelyD.busy
小题6:
A.teachingB.killingC.helpingD.enjoying
小题7:
A.coldB.worthlessC.wellD.sick
小题8:
A.parentsB.classmatesC.teachersD.companions
小题9:
A.evenB.nowC.yetD.then
小题10:
A.And B.But C.OrD.So
小题11:
A.towardB.alongC.oppositeD.on
小题12:
A.seriousB.casualC.personalD.difficult
小题13:
A.workB.studyC.sportsD.education
小题14:
A.whenB.whereC.howD.why
小题15:
A.turned awayB.answered backC.whispered anxiouslyD.cried out
小题16:
A.itB.youC.myselfD.us
小题17:
A.LIFEB.ANXIETYC.CARED.NEED
小题18:
A.forgave B.hitC.huggedD.begged
小题19:
A.sideB.earthC.tripD.day
小题20:
A.meantB.owedC.movedD.left
题型:填空题

为了直线的定向,常采用()或象限角来作夹角。

A.方位角

B.锐角

C.钝角

D.大地方位角

题型:填空题

当肾小管液流过近端小管时,其中()

A.K+浓度升高

B.Na+浓度降低1/3

C.渗透压基本不变

D.渗透压降低

E.渗透压升高

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