[简答题]横越铁路线路平交道口的安全注意事项和要求？

[单选题]接地线应使用截面积不小于（ ）m㎡的裸铜绞线制成并有透明护套保护。接地线不得有断股、散股和接头。
A.15
B.20
C.25
D.30

[判断题]交流继电保护有故障或不正常工作情况时，若不及时处理，可引起事故。
A.正确
B.错误

[单项选择]Recent research findings prove that ______.


A. rewards can result in low productivity
B. behaviorism is still influential in America
C. positive reinforcement still work wonders
D. there is a crisis of values in American school

[单项选择]

男性，32岁，突发寒战，发热，腰痛1天，晨起尿呈酱油色，头晕，检查：血红蛋白56g/L，红细胞1.4×10¹²/L，白细胞3.2×10¹²/L，血小板68×10⁹/L。

此患者紧急处理为（）
A. 泼尼松40mg/d口服
B. 长春新碱静脉注射
C. 输新鲜血
D. 输洗涤红细胞
E. 脾切除术

[单选题]Qulee的质量分离部分是由( )根棒状电极构成 (1 分)
A.1
B.2
C.3
D.4

[单选题]It's no secret that most of us don't get enough sleep and suffer for it.If you're between the ages of 16 and 64,1 don't get seven to nine hours ofsleep per night,your logical 2,executive function,attention,and mood can be impaired.3,severe sleep deprivation can lead to depression,anxiety,and 4 ofparanoia（妄想症）.In the long run,sleep deprivation is a main 5 to the nsk ofdementia and Alzheimer's disease.6,one group that doesn't need to heed these warnings i.s executives.In our 7 of 35,000 leaders and interviews with 250 more,we found that the more seruor a person's 8 is,the more sleep they get.There are tw0 9 explanations for this.Either senior executives,with the help of_10 and hard-working middle managers,do less and take more time for sleep.Or senior executives have had the 11 and discipline throughout their career to get enough sleep and 12 maintain a high performance level without 13.Our conclusion is that the latter is the 14."Sleep has always been foundational for my performance,"Cees't Hart,president and CEO of Carlsberg Group,shared with us."And 15 to perform in a way that is required by my current job,I need seven hours of sleep,every night.Of course,with 16 travel and work commitments,sometimes this is 17,and when that happens,it comes with a cost.When I sleep less,I perform less."18,our data found that 68%ofnon-executive leaders get five to seven hours of sleep per night.When there are not enough hours in the day,they 19 some from the night.Many leaders stay up late to catch up on email or other tasks.According to our research,this tendency is widespread,20 gender.13选？
A.burning out
B.breaking up
C.hanging over
D.holding back

[多选题]出动命令的下达方式( )。
A.自动传输
B.联动启动
C.专线调度
D.无线调度
E.短信

[单选题]根据《生产安全事故报告和调查处理条例》，1亿元以上直接经济损失的生产安全事故属于（ ）。
A.一般事故
B.较大事故
C.重大事故
D.特别重大事故

[单选题]自2011年7月1日起施行的修正的《中华人民共和国建筑法》对适用范围、建筑许可、建筑工程发包与承包、建筑工程监理制度等进行了规定。下列关于建筑工程监理制度说法中，错误的是（ ）。
A.国家推行建筑工程监理制度
B.工程监理单位须在其资质等级许可的监理范围内，承担工程监理业务
C.工程监理单位与被监理工程的承包单位以及建筑材料、建筑构配件和设备供应单位不得有隶属关系或者其他利害关系
D.工程监理单位可以转让工程监理业务

[判断题] 银行业金融机构现金清分中心假币实物的保管人员与《假币代保管登记簿》保管人员可以互相兼任。( )
A.正确
B.错误

[单选题]遇半自动闭塞区间( )时,无需向司机交付或转达调度命令。
A.单机挂车
B.变更列车经路
C.使用故障按钮
D.加开列车

[判断题]油管头安装于采油树和套管头之间，其上法兰平面为计算油管补距和井深数据的基准面。
A.正确
B.错误

[单项选择]患者女性，35岁。黄疸、贫血伴关节酸痛3个月，体检：巩膜黄染，脾肋下2cm，血红蛋白58g／L，白细胞5×10／L，血小板120×10⁹／L，网织红细胞25％，外周血涂片成熟红细胞形态正常，尿隐血试验（－）。最可能的诊断是（）
A. 急性白血病
B. 急性黄疸性肝炎
C. 肝癌骨髓转移
D. 溶血性贫血
E. 风湿性关节炎

[不定项选择题]共用题干 A Lucky Break
Actor Antonio Banderas is used to breaking bones,and it always seems to happen when he's______(1) sport.In the film Play It to the Bone he______(2) the part of a middleweight boxer alongside Woody Harrelson.______(3)the making of the film Harrelson______(4) complaining that the fight______(5)weren't very convincing,so one day he suggested that he and Banderas should have a fight for real.The Spanish actor wasn't______(6)on the idea at first,but he was______(7) persuaded by his co-star to put on his gloves and climb into the boxing ring.However,when he realized how seriously his______(8) was taking it all,he began to regret his decision to fight.
And then in the third round,Harrelson hit Banderas______(9)hard in the face that he actually broke his nose.His wife,actress Melanie Griffith,was furious that he had been playing“silly macho games”.“She was right,”confesses Banderas,“and I was a fool to______(10)a risk like that in the middle of a movie.”
He was______(11)of the time he broke his leg during a football match in his native Malaga.He had always______(12)of becoming a soccer star,of performing in front of a big crowd,but doctors told him his playing days were probably over.“That's when I decided to take______(13) acting；I saw it as______(14)way of performing,and achieving recognition.What happened to me on that football______(15)was,you might say,my first lucky break.” 14._________
A.further
B.additional
C.different
D.another

[判断题]尖轨尖端与基本轨或可动心轨尖端与翼轨不靠贴大于1mm，应及时修理或更换。
A.正确
B.错误

[单选题]防止病人坠床，最有效的措施是（ ）
A.约束肩部
B.加用床档
C.约束膝部
D.约束踝部
E.约束腕部

[判断题]电力企业要严格执行新、改、扩电力建设工程安全设施和职业病防护设施“三同时”制度。（）
A.正确
B.错误

[判断题] 红外热像检测时，户外晴天要避开阳光直接照射或反射进入仪器镜头，在室内或晚上检测应避开灯光的直射，宜开灯检测。
A.正确
B.错误

[判断题]排放瓦斯严禁“一风吹”。
A.正确
B.错误

[单项选择]“玲珑、苗条、猩猩、看看”这些词语分别属于（）。
A. 双声、叠韵、词的重叠、叠音词
B. 叠韵、双声、词的重叠、叠音词
C. 双声、叠韵、叠音词、词的重叠
D. 双声、词的重叠、叠韵、叠音词

[填空题]遗传学的发展史可以说是人类对基因的认识史。随着研究的深入，人们对基因又有了新的认识。阅读下列材料，回答有关问题。
材料一：真核生物(如人)的基因是一个嵌合体，包含着可转录遗传信息的区段(称为外显子)和不能转录遗传信息的区段(称为内含子)，外显子被内含子一一隔开。
材料二：由基因指导合成的信使RNA开始也带有内含子，称为前体信使RNA，其内含子被切下后，再重新将外显子拼接起来，才成为信使RNA，释放到细胞质中去指导蛋白质合成。
材料三：内含子的切除和外显子的拼接都需要能量和酶。
材料四：科学家们用嗜热四膜虫作为实验对象进行了拼接实验。他们惊奇地发现：在不含任何蛋白质成分的四膜虫前体信使RNA提取物中加入ATP，结果发现前体信使RNA成功地完成了拼接。
根据材料三和材料四，可以得出什么结论______。

[单选题]统计工作中最首要最关键的步骤()
A.统计设计
B.原始资料的收集
C.资料的详细分析
D.结果准确汇报
E.选择合适的统计分析方法

[多项选择]税收强制执行措施的内容包括( )。
A. 书面通知纳税人的开户行或者其他金融机构冻结纳税人的相当于应纳税款的存款
B. 书面通知纳税人开户银行或者其他金融机构从其存款中扣缴税款
C. 扣押、查封纳税人的价值相当于应纳税款的商品、货物或者其他财产
D. 扣押、查封、依法拍卖或者变卖其相当于应纳税款的商品、货物或其他财产
E. 税务机关采取强制执行措施时，对纳税人、扣缴义务人、纳税担保人未扣缴的滞纳金同时强制执行

[单选题]以下不属于嵌体的固位方式的是
A.钉洞固位
B.箱形固位
C.沟形固位
D.环抱固位
E.粘结固位

[判断题]监护操作时，操作人在操作过程中不准有任何未经监护人同意的操作行为。
A.正确
B.错误

[单选题]锅炉在停炉检修或备用期间,运行人员( )检查确认燃油或燃气系统阀门关闭严密
A.必须
B.不用
C.没有必要

[单项选择]鲁迅先生的第一篇小说是（）
A. 《孔以己》
B. 《狂人日记》
C. 《怀旧》
D. 《呐喊》

[单选题]直腿抬高试验阳性表明( )。
A.腰4~5或腰5骶1椎间盘突出症
B.腰3~4椎间盘膨出
C.慢性腰肌劳损
D.Schmod结节
E.马尾神经损伤

[判断题]停放时,应将所有作业装置落地或刚性固定。 (　　)
A.正确
B.错误

[判断题]机车车辆无论空、重状态，均不得超出机车车辆限界。
A.正确
B.错误

[单项选择]地震发生时，如果附近海域的轮船只受地震波的冲击，那么（）
A. 先感受到纵波，后感受到横波
B. 只感受到纵波，发生上下颠簸
C. 先上下颠簸，再左右摇晃
D. 先感受到横波，后感受到纵波

[判断题]工务系统严重违章禁止性条款规定，禁止违章进入高铁线路防护栅栏内检查作业。
A.正确
B.错误

[单项选择]听第9段材料，回答第14～16题。Why does the woman call the man
A. To tell him the time and place of a meeting.
B. To tell him how to get to Birmingham.
C. To tell him to visit Don White.

[判断题]25Hz相敏轨道电路电子接收器的工作电流不大于100mA。
A.正确
B.错误

[判断题]项目风险管理致力于杜绝风险对实现项目目标的影响，通常由风险管理规划、风险识别、风险定性分析、风险定量分析、风险响应规划、风险监测与控制等部分构成。
A.正确
B.错误

[单选题]维生素D缺乏性佝偻病的最主要病因是( )
A.纯母乳喂养
B.生长发育过快
C.肝肾功能不全
D.日光照射不足
E.单纯牛乳喂养

[单选题]各梁上、下盖板补强板厚度不小于原盖板厚度，宽度与原盖板相同，补强板长度须盖过裂纹每侧（ ）及以上。
A.50mm
B.100mm
C.150mm
D.300mm