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[单选题] 无砟轨道对于纵向连续的道床板和支承层混凝土裂缝伤损,一般采用“( )”进行修补。
A. 表面封闭法
B.无压注浆法
C.低压注浆法
D.高压注浆法

热门试题:

[单项选择]推拿功法的常用功种是()
A. 八段锦和少林内功
B. 易筋经和少林内劲一指禅
C. 少林内功和少林内劲一指禅
D. 易筋经和少林内功
E. 八段锦和易筋经
[多选题]一次压缩机一段出口压力下降的原因是( )
A.一段活塞环损坏
B.一段金属填料磨损
C.一段吸入阀动作不良
D.一段入口温度下降
[单选题]味精的化学名为(  )。
A.谷氨酰胺
B.谷氨酸钾
C.谷氨酸钠
D.鸟苷酸二钠
[多选题]钢轨接头联结零件由()组成。
A.夹板
B.螺栓
C.弹条
D.弹簧垫圈
E.垫片
[单选题]扶绝缘柄的人应(),并采取防灼伤措施。
A.戴绝缘手套
B.站在绝缘垫上
C.穿绝缘靴
D.戴绝缘手套并站在绝缘垫上
[单选题]在应答机天线接收端口,应答机接收到的询问脉冲P1P3信号强度比P2脉冲高3dB,则( )。
A.应答机不应产生应答
B.应答机必须产生应答
C.应答机可以产生应答,也可以不产生应答
D.取决于应答机天线增益
[单选题]骨骼肌的随意运动由( )支配
A.躯体感觉纤维
B.内脏感觉纤维
C.躯体运动纤维
D.内脏运动交感纤维
E.内脏运动副交感纤维
[单选题]驾驶员逃生索位于
A.驾驶舱2号窗上方
B.驾驶舱1号窗上方
C.驾驶舱3号窗上方
D.驾驶舱5号窗上方
[单选题]预留轨缝计算时,最高、最低轨温差不大于 85℃地区,在计算以后,可根据具体情况将轨缝值减小( )mm。
A.1~2
B.2~3
C.4~5
D.3~5
[单选题]低温或高温环境下的高处作业,应采取( )措施,作业时间不宜过长。
A.保暖或防暑降温
B.保暖
C.防暑降温
D.专人监护
[单选题]断路器存在严重缺陷,影响断路器继续安全运行时应进行()。
A.A继续运行
B.B加强监视
C.C临时性检修
D.D不考虑
[多选题]根据《煤矿重大事故隐患判定标准》之规定,有下列( )情形之一的,属于“有严重水患,未采取有效措施”重大事故隐患。
A.未按照国家规定留设或者擅自开采(破坏)各种防隔水煤(岩)柱的
B.有突(透、溃)水征兆未撤出井下所有受水患威胁地点人员的
C.受地表水倒灌威胁的矿井在强降雨天气或其来水上游发生洪水期间未实施停产撤人的
D.矿井主要排水系统水泵排水能力、管路和水仓容量不符合《煤矿安全规程》规定的
[简答题]什么是网络拓扑分析?
[判断题]车辆进、出车间和库房大门时,应下车用手开门或用车辆顶开大门。( )
A.正确
B.错误
[判断题]《中国南方电网有限责任公司低压电力用户集中抄表系统集中器技术规范(Q/CSG11109003-2013)》规定,集中器不具备监测抄表失败的功能。
A.正确
B.错误
[单项选择]关于同工酶的叙述中错误的是
A. 分子结构相同
B. 催化的反应相同
C. 理化性质不同
D. 生物学性质不同
[多项选择]甲、乙间签订赠与合同,甲已将标的物交付于乙。那么在何种情况下,甲可以撤销赠与并请求乙返还财产( )
A. 乙故意伤害甲的儿子,致甲的儿子残疾
B. 甲赠乙房子一套,约定乙在两年内应负责接送甲之幼子上学,乙未履行该义务
C. 甲、乙关系恶化
D. 乙对甲有赡养义务,乙未履行该义务
[多项选择]下列各项属于证券业协会的职责的有( )。
A. 收集整理证券信息,为会员提供服务
B. 依法维护会员的合法权益,向证券监督管理机构反映会员的建议和要求
C. 制定证券法规,行使监管职能
D. 对会员之间、会员与客户之间发生的证券业务纠纷进行调解
[填空题]Recruiting(招募)the right candidate to fill a vacancy can be a difficult and costly task. 【31】 the wrong person could be an expensive mistake which could cause personnel problems for the whole department. And, as every HR (Human Resource) manager knows, it is much more difficult to get rid of someone than it is to 【32】 them. The HR manager’’s first decision is 【33】 to recruit internal applicants or advertise the vacancy outside the company. 【34】 applicants are easy to recruit by memo, e-mail, or newsletter. Furthermore, they are easy to assess and know the company well. 【35】 , they rarely bring fresh ideas to a position. Moreover, a rejected internal candidate might become unhappy and leave the company. Recruiting outside the company means either advertising the vacancy directly or 【36】 an employment agency. If the company decides to advertise the vacancy directly, it has to decide where to place the 【37】 . Traditionally this has meant newspapers and professional journals but
A. A.when
B.as
C.while
D.once

[多项选择]根据《招标投标法》的规定,下列关于招标方式的表述中,不正确的是( )。
A. 公开招标是指招标人以招标方案的方式邀请特定的法人或者其他组织投标
B. 重点项目都应当公开招标,不适宜公开招标的经批准也可采用邀请招标
C. 采用邀请招标方式的招标人通过市场调查,一般选择不少于3家的法人或其他组织,邀请其参加投标竞争
D. 机电产品国际招标项目采用邀请招标方式的,应当向商务部备案
E. 因特殊情况需要采用公开招标以外方式的政府采购项目,应当在采购活动开始前获得设区的市、自治州以上人民政府财政部门的批准
[单选题] 绷甩防喷器时应用φ16mm钢丝绳套拴在防喷器下法兰上,并用2个( )t的导向滑轮与其连接,分别吊挂在2个气动绞车绷绳上。
A. :1;
B. :2;
C. :3;
D.: 5。
[单项选择]主动脉瓣狭窄的晚期,可见()
A. 收缩压升高,脉压正常
B. 脉压升高,收缩压正常
C. 收缩压和脉压均升高
D. 收缩压和脉压均下降
E. 收缩压和舒张压均下降
[多选题]“三点检查”:( )。
A.列车(车列)依次占用并出清本区段的前一区段、本区段
B.完全进入下一区段
C.本区段解锁
D.逻辑检查
[单项选择]
{{B}}Passage One{{/B}}
Now that many media chiefs have fallen into disrepute (坏名声) and have left, those who are still in positions feel the need to take the problem seriously. CEOs were overhyped (炒作) as were some stocks. This is how AOL Time Warner group chairman Jeff Bewkes summed it up. The era of the imperial CEO has come to an end, MTV Networks Chairman Tom Freston added. The two executives agreed that the industry’s complex and often ill-fated mega mergers (大型合并) had proven that bigger is not necessarily better, no matter how big the reputations of the personalities behind them.
The continuing fall of media executives who a few years ago were hailed as visionaries(有远见卓识者) was active this month, and the industry’s fears reached into the executive ranks of music, publishing and TV. Technology visionary Steve Case left as chairman of AO
A. many executives were arrested in the late 90s
B. many executives are not visionary enough for their companies
C. many executives’ strategies are ahead of their company’s needs
D. companies need to hire people who are more visionary
[单项选择]《建设工程监理规范》规定,工程材料、构配件、设备报审表的附件是( )。
A. 质量证明文件和数量清单
B. 数量清单、质量证明文件和自检结果文件
C. 试验报告和数量清单
D. 数量清单和拟用部位说明
[单选题]相对安全膀胱容量膀胱逼尿肌压力为
A. 20CM
B. 30CM
C. 40CM
D. 50CM
[单选题]低压装表接电时,( )。
A.应先安装计量装置后接电
B. 应先接电后安装计量装置
C.计量装置安装和接电的顺序无要求
D.计量装置安装和接电应同时进行
[单项选择]男性,31岁。诉周期性高热3个月,抗生素治疗无效。体检:左颈、两侧腋窝和腹股沟部位可触及数个黄豆和蚕豆大小淋巴结,脾肋下4cm。RBC4.0×109/L,HGB90g/L,WBC4.6×109/L,PLT72×109/L,ESR84mm/h,骨髓涂片查见淋巴肉瘤细胞10%。常用的化疗方案是()
A. VDP
B. MOPP
C. HD/DA
D. CHOP
E. ATG
[单选题]《中国南方电网有限责任公司安全管理规定》(Q/CSG210005-2014)第十四条规定:对于不需独立设置安全监管机构的单位,应明确负责安全监督管理的责任部门履行安全监管职责。地市级单位的主要生产性车间(分局、工区、中心、所、队等),应设立(),其他车间、班组应设立兼职安全员。有条件的单位可在安全监管部门设立安全监督大队。
A.专职安全员
B.兼职安全员
C.管理人员
D.检查人员
[判断题]钢轨绝缘应做到钢轨、槽形绝缘、钢轨连接夹板(鱼尾板)相吻合,轨端绝缘安装应与钢轨接头保持平直。
A.正确
B.错误
[多选题]国务院《关于进一步加强企业安全生产工作的通知》要求生产经营单位严格企业安全生产管理,深入开展以( )为内容的安全生产标准化建设。
A.岗位达标
B.专业达标
C.企业达标
D.系统达标
[单选题]在Word中,可以把预先定义好的多种格式的集合全部应用在选定的文字上的操作称为( )。
A.母板
B.项目符号
C.样式
D.格式
[单选题]为预防( )等外界因素以及通信线路自身劣化等内部因素对通信线路的影响,应重点加强可能发生灾害区段和薄弱环节的维护工作,加强季节性检査,及时排除故障隐患,以增强抗灾和抗干扰能力。
A.自然灾害、人为施工
B.自然灾害、天气灾害
C.雷电灾害、人为施工
D.天气灾害、人为施工
[判断题]@[T]BBA006 4 3 4
对于多元酸碱,最强的碱的常数对应着最弱的共轭酸的常数。( )[T/]
A.正确
B.错误
[单选题]常见的触电方式中,危害最大的是( )。
A.单相触电
B.两相触电
C.接触触电
D.跨步触电
[单选题]诊断心力衰竭首选的检查是:
A.胸部 X 线片
B.超声心动图
C.左心室造影
D.运动负荷试验
E.心电图
[单项选择]Stay the Course on Terror War
坚持反恐战争的道路
President Bush urged US allies Tuesday to remain committed to the reconstruction of Iraq, vowing that terrorist attacks like last week’s bombings in Spain "will never shake the will of the United States. "
"It’s essential that we remain side-by-side with the Iraqi people as they begin the process of serf-government," Bush said in a White House appearance with Dutch Prime Minister Jan Peter Balkenende.
Bush’s comments come one year after the US-led invasion of Iraq and at a time when his handling of the war on terror is being questioned by many Democrats, particularly Sen. John Kerry, the presumed Democratic presidential nominee.
"They’ll kill innocent people to try to shake our will," Bush said of terrorists. "That’s what they want to do. They’ll never shake the will of the United States. We understand the stakes. "
The administration has cast the toppling of the regime of former Iraqi President Sa
A. Only thirty plus nations have contributed to the reconstruction of Iraq.
B. The United States has been separating itself from the ally nations.
C. The Administration has not done enough to support homeland security.
D. The Administration has not kept its promise of giving sufficient support to the soldiers in the battlefield.
[单选题]颗粒剂应检查
A.不溶性微粒
B.热原
C.沉降体积比
D.溶化性
E.无菌

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