题目详情
题目详情:

[判断题]玻璃电极不要接触能腐蚀玻璃的物质,如F-、浓H2S04、铬酸洗液等,但可以长期浸泡在碱性溶液中。()

热门试题:

[单项选择]携带植物种子、种苗以及其他繁殖材料进境的,( )
A. 事先办理检疫审批手续
B. 在报检的同时办理检疫审批手续
C. 可以事后随时补办检疫审批手续
D. 可以免办检疫审批手续
[单选题]独立避雷针倾斜,根据DL/T5210.1-2005《电力建设施工质量验收评定规程》10.3.11支架高度不大于()M垂直偏差不大于5MM; 支架高度大于5M垂直偏差不大于1/1000支架高度且不大于20MM,定性为一般缺陷
A.2
B.3
C.4
D.5
[多选题]从事运输的境内机构在境外发生的单笔等值30万(不含)以上的( )无需办理和提交《服务贸易等项目对外支付税务备案表》。
A.修理费
B.油料费
C.租船费
D.港杂费
[多选题]在带电的电流互感器二次回路上工作时,以下做法正确的是( )。
A.禁止将电流互感器二次侧开路(光电流互感器除外)
B.短路电流互感器二次绕组,特殊情况可使用导线缠绕
C.工作时,应有专人监护,使用绝缘工具,并站在绝缘垫上
D.工作中禁止将回路的永久接地点断开
[单选题]在复飞中间阶段主区内的MOC为:
A.30m
B.50m
C.90m
D.75m
[单选题]SOM6板备件每()年要上电一次
A.半年
B.1
C.2
D.3
[简答题]

舒舍予,字老舍,现年四十岁,面黄无须,生于北平,三岁失怙,可谓无父,志学之年,帝王不存,可谓无君,无父无君,特别孝爱老母。幼读三百篇,不求甚解。继学师范,遂奠教书匠之基。及壮,糊口四方,教书为业。甚难发财,每购奖券,以得末奖为荣,示甘为寒贱也。二十七岁,发愤著书,科学哲学无所终,故写小说,博大家一笑,没什么了不得。三十四岁结婚,今已有一男一女,均狡猾可喜。书无所不读,全无所惑,并不着急,教书做事,均甚认真,往往吃亏,也不后悔,如此而已。再活四十年,也许能有点出息。

及壮,糊口四方,教书为业。
[多选题]调车作业人员必须熟知调车作业区的( ),以及接近线路的一切建(构)筑物的形态和距离。
A.技术设备
B.作业环境
C.作业方法
[单项选择]下列哪项最有助于急性肾衰与慢性肾衰的鉴别()。
A. 血BUN/Scr>20
B. 有无高血钾
C. 贫血严重
D. 低钙血症与高磷血症严重程度
E. 影像学检查,肾脏有无萎缩
[单项选择]对汇票正确的表述是()。
A. 由受票人出具
B. 由出票人承兑
C. 金额不确定
D. 可以在金融市场上流通
[单选题][T]B-B-C-A-021 3 2 3
QS-650K清筛机主污土输送带以与车架水平方向呈( )倾角布置在振动筛下和前驾驶室上方。
A.10°
B.13°
C.15°
D.20°
[单选题]正压式空气呼吸器气瓶的工作压力为()MPa。
A.15
B.25
C.30
D.
E.略
F.略
[简答题]试比较压注模与压缩模成型的区别?
[填空题]“四大碑林”是指 ( )、 ( )、 ( )、 ( )。
[单选题]50kg/m钢轨轨端至第一螺栓孔中心距离为( )。
A.33mm
B.44mm
C.55mm
D.66mm
[单选题] 《注册消防工程师管理规定》要求,申请初始注册的,应当自取得注册消防工程师资格证书起( )内提出。
A.半年
B.一年
C.两年
D.三年
[填空题]I doubt the (true) ______ of the story but many people believe it.
[单项选择]The French have a reputation of not (31) in their own homes. Impressions about this (32) in France are based upon (33) in Paris. In Paris, daily and business life is (34) busy that many families want to cling to their privacy to themselves. But If you go to other places, you will find a person as (35) as almost any in Europe.
And young people, (36) themselves from the formal standards and obligations of their parents, have become far more (37) in inviting friends as well as relatives to meals. They will usually make a few hours’ (38) How much they entertain may depend upon (39) and how they live. The deeper you go into rural areas, (40) the welcome will be, and sometimes you will find young French farmers almost (41) hospitable.
In Paris, (42) smart society level, the tradition of formality still powerfully exists. Here dinner-party habits can be still Edwardian by most
A. inhospitality
B. hospitality
C. unhospitableness
D. hospitableness
[单选题]《车站行车工作细则》应根据( )和有关规定,结合具体情况进行编制或修订。
A.《技规》
B.《行规》
C.《段细》
D.《事规》
[判断题]施工机械作业过程中,操作人员应严格遵循使用说明书规定的操作要求,禁止违章作业,不得擅自离开工作岗位或将机械交给其他人员操作。(  )
A.正确
B.错误
[单选题]下列不属于焊接技术交底内容的是(  )。
A.预焊接工艺规程内容
B.焊接质量检验计划
C.进度要求
D.焊接工程特点
[填空题]{{B}}第三节 短文理解 2{{/B}}
阅读下面短文,从[A], [B], [C] 三个判断中选择一个正确选项。
{{B}}请根据下面短文回答下列题:{{/B}}
No one wants to be caught in the rain without an umbrella. Umbrellas come in different shapes and sizes. Many of them can be put into bags in case of a sudden rain. Just about everyone owns an umbrella, but not many of us give them a second thought. People don’t know exactly where the first umbrella came into being. Some say Egypt
(埃及) while others say China. What is for sure is that they’ve been around a very long time. They weren’t used to protect people from the rain, however. They were used to keep people from the sun.
Women were the first people to carry umbrellas. In 1750, an Englishman decided to carry an umbrella everywhere he went, and he became the center of people’s talk. Not caring about the laughs of those around him, he carried his umb
[简答题]住宅楼多孔板用φP4消除应力钢丝,单根钢丝截面积Ay=12.6mm2,已知其抗拉强度标准值fptk=1770N/mm2,张拉程序为0→103%σcon,试计算确定单根钢丝的张拉力。
[简答题]已知α1=(1,4,0,2)T,α2=(2,7,1,3)T,α3=(0,1,-1,a)T,β=(3,10,6,4)T,试讨论当a,b为
β可由α1,α2,α3线性表示,并求出表达式.
[填空题]()就是对产品生产过程的管理。它包括对与产品生产有关的所有生产活动的计画、组织和控制工作。
[单项选择]

Faces, like fingerprints, are unique. Have you ever wondered how it is possible for us to find out people Even a skilled novelist probably could not make a description of all the features(特征) that make one face different from another. Yet a very young kid or even an animal, such as a pigeon,can learn to recognize faces. We all take the ability for granted.
We can also tell people apart by which ways they behave. When talking of someone’s personality, we mean the methods in which he or she acts, speaks, thinks or feels that make him or her different from others.
Like the human face, human personality is so complicated. But describing someone’s personality in words is somewhat much easier than describing his face. If you were asked to describe what a "nice face" looked like, you probably would have a lot of difficulties. But if you were asked to describe a "nice person" you might begin to think about someone who was kind, considerate,
A. Different people may have different personalities.
B. People can describe all the features of others.
C. People differ from each other in figure.
D. People are able to learn to recognize faces.

[多选题]井下发生瓦斯爆炸时,减轻伤害的自救方法有( )。
A.背对空气颤动方向,俯卧倒地,面部贴在地面、水沟,避开冲击
B.憋气暂停呼吸,用湿毛巾捂住口鼻,防止吸人火焰
C.用衣物盖住身体,减少肉体暴露面积,减少烧伤
D.迅速戴好自救器撤离,防止中毒
E.若巷道破坏严重、无法撤离时,到安全地点,躲避待救
[单项选择]睡眠呼吸暂停综合征与原发性鼾症、发作性睡病、上气道阻力综合征相鉴别时,最重要的是()。
A. 鼾声是否明显
B. 夜间醒觉是否>每小时10次
C. 有无发作性猝倒
D. 有无气道阻力增加
E. 有无呼吸暂停、低通气、低氧血症
[单项选择]《生产安全事故报告和调查处理条例》规定,事故发生后,事故单位负责人应当于()内向事故发生地县级以上人民政府安全生产监督管理部门和负有安全生产监督管理职责的有关部门报告。()
A. 半小时
B. 1小时
C. 2小时
D. 4小时
[简答题]在碾压沥青混凝土路面的过程中,如何对碾压轮的表面做处理来保证路面质量?
[单项选择]TD终端合约计划,其实质为降低合约款,即较大众市场裸机价低()元。
A. 120-940元
B. 80-660元
C. 60-840元
D. 100-760元
[单项选择]在正常刹车时,刹车压力指示在()
A. 刹车压力表
B. EWD
C. SD
D. 无指示
[判断题]劳动教养适用的对象,是具有轻微犯罪行为且不需要追究刑事责任的人.( )
[单选题]三相异步电动机的最大转矩与( )
A.电压成正比
B.电压成反比;
C.电压平方成正比
D.电压平方成反比。

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