热门试题:
[判断题]焊接可以使金属材料,也可使某些非金属材料,实现永久性连接。( )
A.正确
B.错误
[单选题]空开2P（40A）德力西 单位 个 零售价( )
A.10.78
B.15.0
[单选题]消防队到达火场后为全面了解火灾情况所进行的一项重要工作是( )。
A.战斗展开
B.火场救人
C.火情侦察
D.火场破拆
[单选题](中)( )民主评议党员评为“优秀”的比例一般不超过( )。
A.三分之一
B.二分之一
C.三分之二
D.无具体规定
[单项选择]数据挖掘的经典案例“啤酒和尿布试验”最主要是应用了（）数据挖掘方法。
A. 分类
B. 聚类
C. 预测
D. 关联规则
[单项选择]ear
[A]The most recent recession in the United States began in December of 2007 and ended in June of 2009, according to the official arbiter of recession dating, the National Bureau of Economic Research. However, two years after the official end of the recession, few Americans would say that economic troubles are behind us. The unemployment rate, in particular, remains above 9 percent. Some labor market indicators, such as the proportion of long-term unemployed, are worse now than for any postwar recession.
[B]There are two widely circulated narratives to explain what is going on. The Keynesian narrative is that there has been a major drop in aggregate demand. According to this narrative, the slump can be largely cured by using monetary and fiscal stimulus.The main anti-Keynesian narrative is that businesses are suffering from uncertainty and over-regulation. According to this narrative, the slump can be cured by having the government commit to and follow a more hands-of
[单项选择]
Shopping for clothes is not the 1 experience for a man as it is for a woman. A man goes shopping because he needs something. His purpose is settled and decided in 2 He knows what he wants, and his objective is to find it and buy it; the price is a secondary 3 : All men simply walk into a shop and ask for what they want. If the shop has it in 4 , the salesman promptly produces it, and the business of 5 it on proceeds at once. And if all 6 well, the deal can be and often is completed in less than five minutes, with no chat and to everyone"s satisfaction.
Now how does a woman go out buying clothes Her shopping is not always 7 on needs. She has 8 fully made up her mind what she wants, and she is only "having a look 9 " She is always open to 10 , indeed she sets great store by what the salesman tells her, even by what companions tell her. She will try on any number of things. Uppermost in her mind 11 the thought of finding something that everyone thinks suits her. 12 to a lot of jokes, most women have an excellent sense of value when they buy clothes. They are always in the lookout for the unexpected 13 Faced with a roomful of dresses, a woman may easily 14 an hour going from one rail to another, to and fro, often retracing her steps, before selecting the dresses she wants to try on. It is a laborious process, but apparently an 15 one. Most dress shops provide chairs for the waiting husbands.
（7）处应填写（）
A. decided
B. put
C. depended
D. based
[判断题]全行业公私合营后，企业的生产关系仍然是资本主义的。
A.正确
B.错误
[多选题]下列( )场所不宜设置水枪阵地。
A.堆垛上
B.轻质屋顶上
C.遮阳棚上
D.雨搭上
E.卧式压力贮罐的两端
[单选题]全国人民代表大会每（ ）年举行1次会议
A.1
B.2
C.3
D.4
[填空题]带式输送机滚筒下风侧10-15米处宜设置一氧化碳传感器，报警浓度为（）。
[判断题]《晋能控股集团有限公司员工奖惩办法（试行）》对员工的奖励中，晋升晋级是指在符合基本条件的基础上，优先晋升晋级专业等职务。
A.正确
B.错误
[单项选择]基准包括( )。
A. 设计基准和工序基准
B. 工艺基准和定位基准
C. 设计基准和工艺基准
[单项选择]板蓝根在病毒性肝炎治疗中的作用是
A. 保护肝细胞生物膜
B. 加快肝细胞增生
C. 减轻肝细胞损伤
D. 有降血清转氨酶作用
E. 抑制乙型肝炎表面抗原(HBsA
[单选题]定位焊时容易产生( )缺陷，故焊接电流应比正式焊接时高10%〜15%。
A.未焊透
B.气孔
C.夹渣
D.咬边
[判断题]党的百年奋斗展示了马克思主义的强大生命力。
A.正确
B.错误
[单项选择]目前光纤接入网络的适用对象为（）
A. 个人用户
B. 校园计算机
C. 笔记本用户
D. 大中型企业用户
[单选题]尖轨跟端直向轨距加宽向辙叉方向递减，距离为（ ）m。
A.A、1.5
B.B、2
C.C、3
D.D、4
[单选题]正常状态电缆终端的支柱绝缘子绝缘电阻用1000V兆欧表测量，不得低于（）Ω。
A.10M
B.20M
C.50M
D.100M
[单项选择]男性，24岁，癫痫大发作半年，每月4～5次。既往：10年前（14岁时）右侧头部外伤史，当时右额顶部凹陷性骨折，下凹0.8cm，当时无阳性体征，未行手术。此次入院CT示右额顶区有一高密度阴影，直径0.5cm大小，其周围有低密度区，无占位效应。结合该患者情况，你的治疗方案是（）。
A. 脱水降颅压
B. 抗癫痫药物口服
C. 腰穿
D. 开颅手术
E. 继续观察
[单选题]1作业中，当桩锤冲击能量达到最大能量时，其最后10锤的贯人值不得小于()
A.10mm
B.7mm
C.5mm
D.3mm
[单选题]下列选项中，能处理图像的媒体工具是______。
A.Word
B.Excel
C.WPS
D.Authorware
[多项选择]根据《支付结算办法》的规定，下列有关票据金额中文大写的填写中，符合规定的有( )。
A. 将“107000.53元”填写为“人民币壹拾万柒仟元零伍角叁分”
B. 将“107000.53元”填写为“人民币拾万零柒仟元伍角叁分”
C. 将“107000.53元”填写为“人民币壹拾万零柒仟元伍角叁分”
D. 将“107000.53元”填写为“人民币壹零万柒零零零仟元伍角叁分”
[判断题]BD005 筒体的棱角度完全由焊接造成，与滚圆、矫圆工序无关。
A.正确
B.错误
[简答题]切轨机、打磨机、电焊机等机具操作人员应按规定穿戴什么？【汉工段安〔2020〕22号、线路作业】
[单选题]白棕绳当作绳扣使用时不得小于( )倍。
A.8
B.10
C.12
D.14
[单选题]无缝线路固定区累计位移量大于( )时,应及时上报工务段查明原因,采取相应措施。
A.10mm
B.20mm
C.30mm
D.40mm
[单选题]不属于沟通过程步骤的是
A.编码
B.解码
C.信息源
D.接收者
E.传递信息
[单选题]下列那个区域不属于正线轨行区区域
A. 正线上下行（地面段线路两侧至隔离护栏）、折返线、存车线、渡线;
B.入场信号机往正线方向的出入场线
C.站台端头门/站台门/安全门以外（没有站台门以站台安全线为界）及其站台端头门外延伸通道
D.站台端头门以外站房；
[单选题]直接验电时，应使用（）在设备的预接地处逐相（直流线路逐极）验电。
A.不合格的验电器
B.低电压等级的验电器
C.相应电压等级的验电器
D.高压验电绳
[多选题]以下属于特种作业的范围的有:（）。
A.架设高压电线#
B.起重机械(含电梯)作业#
C.企业内机动车辆驾驶#
D.登高架设作业
[填空题]We have chosen what we believe to be the five most spectacular natural wonders--those that are the biggest, longest or most impressive of their kind. These natural wonders inspire awe(敬畏) in everyone who views them.
Mt. Everest
Mt. Everest, which is located at the border between China and Nepal, is the world’s highest mountain. It measures 29.035 feet. And the mountain is still growing! Geological forces push it up a few millimeters each year.
Grand Canyon
Visitors to the Grand Canyon of the Colorado River in Arizona admire its breathtaking colors, rock formations and cliffs. No picture can adequately capture its beauty. The canyon is 277 miles long and from 4 to 18 miles wide.
Great Barrier Reef
The Great Barrier Reef extends 1,200 miles along Australia’s northeast coast through the Coral Sea. It is the largest coral formation in the world and is visible from space! Actually, it is not one reef but a chain of thousands.
[单选题]机动车在设有禁停标志、禁停标线的路段（ ）。
A. 不得停车
B. 可以临时停车
C. 可以长时间停车
D.可以随意停车
[填空题]线路大、中修验收标准中，轨枕项要求无失效，无严重<--NRC-->。
[单选题]测设是指( )。
A.大型建筑的施工测量
B.把设计好的图纸上建筑物的位置,在地面上标定出来的过程
C.变形观测的过程
D.测量某未知量的过程,如测量某角度大小的过程或把地物 地貌测绘成图的过程
[单项选择]女性，45岁，3天前劳累后出现咽干，鼻塞，继而咽痛，咳黄脓痰。查体：鼻腔、咽黏膜充血，扁桃体Ⅱ度肿大。在发病期间，以下处理不妥的是（）
A. 休息
B. 多饮水
C. 空气流通
D. 饮食合理
E. 喷托维林口服
[判断题]在平刃剪切机工作时，由于上、下刀刃全部同时作用在材料上，所以单位剪切力较大。
A.正确
B.错误
[单选题] 耐震压力表使用环境温度为(),相对湿度不大于 80%。
A.-50~80℃
B.-40~70℃
C.0~100℃
D.-40~80℃
