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[单选题]检修作业临时遮栏应由上、下两道横杆及栏杆柱组成。上杆离地高度为( ),下杆离地高度为500~600mm,并在栏杆下边设置严密固定的高度不低于180mm的挡脚板。
A.1000~1200mm
B.1050~1200mm
C.1000~1250mm
D.1050~1250mm

热门试题:

[判断题]护轨侧面磨耗在护轨平直段测量。
A.正确
B.错误
[多选题]倒闸操作中,操作机械传动的( )时,应戴绝缘手套。
A.断路器(开关)
B.隔离开关(刀闸)
C.杆塔
D.线路
[判断题]装、拆接地线,应口头说明,交接班时应交待清楚。
A.正确
B.错误
[多项选择]急性杂合性白血病免疫学分型为( )
A. 双表型
B. 双系列类型
C. 单表型
D. 细胞系列转变型
E. 双显型
[多选题]安全监控系统应具有( )等模拟量监测存储和查询
A.A、甲烷浓度
B.B、风速
C.C、风机开停
D.D、一氧化碳浓度
[单选题]列车紧急制动时,除机车制动机的自动撒砂外,当列车速度( )时,应少量撒砂。
A.开始下降
B.快速下降
C.较低
[判断题]涉及二次登销记,由驻站联络员对二次登销记内容一并提前进行维护。
A.正确
B.错误
[单选题]早期诊断急性血源性骨髓炎最可靠的依据是
A.急骤高热,毒血症状,疼痛症状和局部压痛
B.X线平片
C.CT
D.核素扫描
E.局部分层穿刺
[判断题]【技能鉴定2019 初级工】83.正弦交流电中的角频率就是交流电的频率( )。
A.正确
B.错误
[单项选择]While ______ foods are assuming an ever larger role in the average diet, more and more people are getting interested in organic food.
A. process
B. processed
C. processing
D. to process
[单项选择]

以下对“中庭”的描述,()正确。
Ⅰ.中庭可作为建筑的交通枢纽空间
Ⅱ.中庭内可安排休息交往功能而形成共享空间
Ⅲ.中庭可作为紧急避难场所
Ⅳ.在建筑中设计中庭主要是为了防火


A. Ⅰ、Ⅱ
B. Ⅲ、Ⅳ
C. Ⅰ、Ⅲ
D. Ⅱ、Ⅳ
[单项选择]真核生物mRNA的特点是
A. 有帽子结构和多聚A尾
B. 有稀有碱基
C. 有三联密码
D. 具倒L形结构
E. 具三叶草结构
[判断题]配电线路和设备停电检修,接地前,应使用接触式验电器或测电笔。
A.正确
B.错误
[单选题] 复制国家秘密载体或摘录、引用、汇编属于国家秘密的内容,应当按照规定报批,( )改变原件的密级、保密期限和知悉范围。
A.不得擅自
B.可以随意
C.经部门领导同意可以
D.经办公室主任同意可以
[判断题]使用低倍泡沫枪时要注意供给枪的低倍水或混合液的压力应逐渐提高,但不能超出压力使用范围;以免突然冲击或压力过高对操作者造成伤害。( )2
A.正确
B.错误
[填空题] From childhood to old age, we all use language as a means of broadening our knowledge of ourselves and the world about us. When humans first 【B1】 they were like newborn children, unable to use this 【B2】 tool. Yet once language developed, the possibilities for human kind’’s future 【B3】 and cultural growth increased. Many linguists believe that evolution is 【B4】 for our ability to produce and use language. They 【B5】 that our highly evolved brain provides us 【B6】 an innate language ability not found in lower 【B7】 Proponents of this innateness theory say that our 【B8】 for language is inborn, but that language itself develops gradually, 【B9】 a function of the growth of the brain during childhood. Therefore there are critical 【B10】 times for language development. Current 【B11】 of innateness theory are mixed, however, evidence supporting the existence of some innate abilities is undeniable. 【B12】 more and more schools are discovering that foreign languages are best taught in 【B1
A. A.As a result
B.After all
C.In other words
D.Above all

[判断题]新修订的保密法,一个重大转变是将泄密的法律责任认定从“结果犯”到“行为犯”,其含义是只要违反有关规定,即使没有造成泄密后果也要追究责任。()
A.正确
B.错误
[单项选择]下列测验,智力评估受文化背景影响最小的是( )。
A. 比奈—西蒙智力量表
B. 瑞文渐进测验
C. 韦氏智力量表
D. 斯坦福—比奈智力量表
[单项选择]
Nelson Mandela was still in jail when the first street was named {{U}} 62 {{/U}} him. By the time he retired as President of South Africa, hundreds of streets, squares and schools {{U}} 63 {{/U}} his name, as did many more pop songs, books and movies. {{U}} 64 {{/U}}, Mandela is an inspiring figure of the world. But what about {{U}} 65 {{/U}} books that bear Mandela’s name {{U}} 66 {{/U}} charities that use his name to {{U}} 67 {{/U}} their profile As his legend has grown ever larger, Mandela has been faced with all of these situations. Increasingly, however, Mandela’s handlers are fighting back.
Mandela, who will be 91 this year, {{U}} 68 {{/U}}. appears in public and increasingly relies on the managers of his foundation to manage his affairs. Now they’re facing with a tricky issue: {{U}} 69 {{/U}} what point does a very famo
A. of
B. at
C. on
D. in
[单项选择]According to the text, learning to control your nervousness can _______.


A. enhance professional rewards
B. provoke sympathy in your audience
C. result in professional success
D. prevent you lying to an audience
[单项选择]关于磷酸戊糖途径的叙述,正确的是
A. 是体内生成糖醛酸的途径
B. 肌细胞中葡萄糖经此途径产生ATP
C. 是体内CO2的主要来源
D. 生成NADPH供合成代谢需要
E. 生成NADPH通过呼吸链产生ATP
[单选题]下列经济业务中,会引起企业的资产和所有者权益总额变化的是()。
A.企业以银行存款购买存货(不考虑增值税)
B.企业以银行存款支付现金股利
C.投资者以银行存款对企业进行投资
D.企业将资本公积转增资本
[单选题]吸收温差控制温度升高一度,游离氨上涨()滴度
A.4
B.2
C.5
D.3
[单选题]带电立、撤杆时,应使用足够强度的( )作拉绳,控制电杆的起立方向。
A.钢丝绳
B.绝缘绳索
C.尼龙绳
D.非绝缘绳索
[单选题]关于抗精神病药物所致的急性肌张力障碍的描述,哪项不对(
A.应立即停止抗精神病药物治疗
B.大多发生于使用传统(经典)药物治疗的患者
C.表现为眼上翻、斜颈、面部怪相和扭曲、吐舌、角弓反张、脊柱侧弯等
D.肌注东莨菪碱0.3mg或异丙嗪25~50mg,可即时缓解
E.发生率约10%,在服用典型抗精神病药物后12小时或4天内发生
[简答题]言词证据和实物证据的分类标准是什么?
[简答题]简述节日活动的设计与指导要求有哪些?
[单项选择]下列哪项指标不能提示颅内压增高()。
A. 深昏迷
B. 前囟饱满
C. 心率加快
D. 血压增高
E. 瞳孔对光反应迟钝
[单选题]下列行为侵犯到他人知识产权的是( )。
A.甲模仿某知名作家的写作风格创作小说并以该作家名字公开发表
B.甲因无法分辨真假销售某高仿皮包,但未给商标权利人造成损失
C.甲开发“A之C”游戏并公开销售,但“AC”商标的权利人是乙
D.甲申请注册“AC琴行”,“AC”二字与某知名电脑商标完全重合
[单选题]75、以太网采用的是()拓扑结构。
A.A、总线型
B.B、网状
C.C、星型
D.D、环型
[单项选择]
Jewel Thief Captured

At 1:30 this morning, local police finally caught the jewel thief whom they had been trying to trap (诱捕) for the past two months. (51) the man they arrested, James Smith, (52) that he was the thief, he was captured with several diamond rings in his (53) . Po- lice saw Smith leaving a jewelry store on Main Street at 1:16 A, M.. (54) seeing the police, Smith jumped (55) his auto, and a high-speed chase followed for the next fourteen minutes. The police finally (56) Smith off the road and his (57) hit a tree. When the police searched Smith’s (58) , they found the diamond rings hidden in an inside pocket of his jacket. Although Smith claimed that the diamonds were fake (假的), the owner of the jewelry store (59) the most recent robbery incident happened identified them (60) his missing jewels. Smith is now awaiting his first visit to court in a cell in the town jail. If he does not (61) , a jury (陪审团) will have t
A. objected
B. led
C. caused
D. promoted

[判断题]UPS从正常工作模式切换到维修工作模式后无需等待可直接进行检修作业。( )
A.正确
B.错误
[单选题]辅助指挥的过程是开拓创新、( )的过程。
A.精心筹划
B.周密细致
C.主动作为
D.科学探索
[判断题]对同一天、相同安全措施的多个低压营销作业现场的工作,可使用一张低压工作票。
A.正确
B.错误
[单选题]下列不属于银行市场环境分析中微观环境的内容是()
A.银行同业竞争对手的实力与策略
B.购买金融该产品的模式与习惯
C.客户的信贷需求和信贷动机
D.信贷资金的供求状况

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