热门试题:
[单选题]带电作业工具使用前应根据()校核机械强度,并满足规定的安全系数。
A.使用要求
B.工作负荷
C.使用状态
D.工作强度
[判断题]作业过程中如需进行动火作业,请点时应主动向请点站说明动火情况并出示动火令,登销记办理人员负责检查核实
A.正确
B.错误
[判断题]Z对-1 主要技术原则: 10kV 侧采用电缆或架空绝缘线引下,低压综合配电箱采用悬挂式安装, 进线采用裸导线导线或低压电缆,出线采用架空绝缘导线或电缆引出。
A.正确
B.错误
[单项选择]You ______ do it that way; or you might get shocked.
[单项选择]
Christmas Eve arrives at my house each year. The center of the celebration(庆祝) is dinner. My mother spends days preparing a rich variety of seafood. The guest list seldom changes. It is made up of my Aunt Marcy and her husband, my oldest brother, Sal, his wife, and their four children, my sister, Joann, her husband, and their two children, and my second brother, Richard, his wife, and their two children.
My aunt and uncle always come heavily loaded with enough food and wine for a whole army. My brother Sal and gang usually show up an hour early and empty-handed. Joann’s family is usually late while Richard’s group generally arrives on time, bearing gifts for everyone. I am in charge of getting the Christmas tree. Plenty of food is served at the dinner table, and all the hours of preparation are wolfed down in a matter of minutes. Along with the yearly repeated menu comes the yearly repeated conversation.
Everyone talks about how good the food ta
A. She thinks there is too much waste.
B. She thinks people eat too much fish.
C. She doesn’t like the way it is celebrated.
D. She doesn’t like doing the preparation work.
[多选题]判断人工呼吸和胸外心脏按压技术是否有效,可以观察以下现象:( )
A. 扩大的瞳孔有所回缩
B. 面色由苍白转红润
C. 恢复自主心脏跳动
D. 恢复自主呼吸
[单项选择]个体生态学、种群生态学、群落生态学、生态系统生态学等生态学分支学科的划分依据是 ( )
A. 生物组织层次
B. 生物类群
C. 生境类型
D. 应用领域
[单项选择]有人指出:没有广告的产品,又怎么能称为好的产品一些好的文章性广告让消费者了解新的产品,从而增加选择的空间,何乐而不为呢有些人却认为:广告多了令人心烦。另外一些人则提出:如果没有广告又觉得空空的,可选择的余地太小。总之,众说纷纭。这说明( )。
A. 意识的不同主体之间具有主观差别性
B. 意识的同一主体在不同条件下具有主观差别性
C. 对同一对象,不同的主体会有一致的反映
D. 意识的主观性表现为对客观对象的歪曲反映
[单选题]在Excel 2003中,要表示一个单元格的行地址或列地址为绝对地址引用,则应在其前面前加上的字符是________。
A. @
B. #
C. $
D. %
[单项选择]关于监理组织常用的四种结构形式,下述说法不正确的是( )。
A. 直线制监理组织形式具有组织机构简单、权力集中、隶属关系明确的优点
B. 职能制监理组织形式是将管理部门和人员分为两类
C. 直线职能制监理组织形式具有直线制和职能制监理组织的优点
D. 矩阵制监理组织形式中职能部门有权对指挥部门发布指令
[单选题]接地引下线与电气设备的连接可用螺栓或者焊接,用螺栓连接时应设防松螺帽或防松垫片,焊接应采用 (),牢固无虚焊,搭接长度符合规定
A.缝焊
B.点焊
C.搭接焊
D.对焊
[单选题]( )级列控系统是基于GSM-R无线通信实现车地信息双向传输,无线闭塞中心生成行车许可,轨道电路实现列车占用检查,应答器实现列车定位,由列控车载设备和地面设备组成。
A.CTCS-0
B.CTCS-2
C.CTCS- 3
D.CTCS-4
[单项选择]患者王某,因感染腹泻入院治疗。应采取( )
A. 血液体液隔离
B. 严密隔离
C. 消化道隔离
D. 保护性隔离
E. 接触隔离
[单项选择]抹气筒出口内径为7m.烟温80℃.排放速率为580Nm³/s,排气筒出口处烟气速度是()。
A. 15.Om/s
B. 19.5m/s
C. 47.3m/s
D. 61.0m/s
[单项选择]服务对象陈某来到了救助机构,社会工作者友好而又热情地接待了他,让他感到很温暖,这是属于社会工作流程中的( )阶段。
A. 建立关系
B. 方案策划
C. 评估
D. 收集资料
[单项选择]慢性腹膜透析引起的腹腔积液,以何种细胞增多为主()
A. 中性粒细胞增多
B. 浆细胞增多
C. 间皮细胞增多
D. 嗜酸性粒细胞增多
E. 淋巴细胞增多
[多项选择]下列关于高处作业的划分规定正确的是( )
A. 高度在4~8m时,称为一级高处作业
B. 高度在5~15m时,称为二级高处作业
C. 高度在8~18m时,称为二级高处作业
D. 高度在18~33m时,称为三级高处作业
E. 高度在15~30m时,称为三级高处作业
[单选题]民事诉讼调解达成协议,人民法院应当制作调解书,调解书应当写明诉讼请求、案件的事实和( )。
A.调解方法
B.调解结果
C.调解要求
D.协议规定
[判断题]在中性点不接地的电力系统中,当发生单相完全接地时,非故障相对地电位升高为线电压,容易引起绝缘损坏,从而引起两相或三相短路,造成事故。()
A.正确
B.错误
[单选题]石油密度计用于测量油品的( )。
A. 标准密度
B. 视密度
C. 25℃的密度
D. 密度差
[单项选择] People living on parts of the south coast of England face a serious problem. In 1993, the owners of a large hotel and of several houses discovered, to their horror, that their gardens had disappeared overnight. The sea had eaten into the soft limestone cliffs on which they had been built. While experts were studying the problem. The hotel and several houses disappeared altogether, sliding down the cliff and into the sea.
Erosion of the white cliffs along the south coast of England has always been a problem but it has become more serious iii recent years. Dozens of homes have had to be abandoned as the sea has crept farther and farther inland. Experts have studied the areas most affected and have drawn up a map for local people, forecasting the year in which their homes will be swallowed up by the hungry sea.
Angry owners have called on the Government to erect sea defenses to protect their homes. Government surveyors have pointed out that in most cases, this is impossible. Ne
A. warn people whose homes are in danger
B. provide an effective way to slow it down
C. help to prevent it from worsening
D. lead to its eventual solution
[多项选择]下列说法正确的有:
A. 用人单位以暴力、威胁或者非法限制人身自由的手段强迫劳动者劳动的,或者用人单位违章指挥、强令冒险作业危及劳动者人身安全的,劳动者可以立即解除劳动合同,不需事先通知用人单位
B. 用人单位违反集体合同,侵犯职工劳动权益的,工会可以依法要求用人单位承担责任;因履行集体合同发生争议,经协商解决不成的,工会可以依法申请仲裁、提起诉讼
C. 用人单位发生合并或者分立等情况,原劳动合同继续有效,劳动合同由承继其权利和义务的用人单位继续履行
D. 用人单位拖欠或者未足额支付劳动报酬的,劳动者可以依法向当地人民法院申请支付令,人民法院应当依法发出支付令
[单选题] 用于列车完整性检查 TI1、TI2 的电压是多少?( )
A.110VDC
B.60VDC
C.24VDC
D.15VDC
[填空题]车站控制室实行___小时值班制,值班人员严禁擅自离岗,特殊情况必须由____或以上人员顶岗,且车站控制室原则上不得多于3名工作人员。
[多项选择]在组织流水施工时,确定流水节拍应考虑的因素有()。
A. 所采用的施工方法和施工机械
B. 相邻两个施工过程相继开始施工的最小间隔时间
C. 施工段数目
D. 在工作面允许的前提下投入的劳动量和机械台班数量
E. 专业工作队的工作班次
[填空题]I’d always seen them together and just ______ (就想当然地认为他们已经成婚).
[判断题]地籍测量是以宗地为基本单元。宗地构成依土地管理部门权属调查所确定的点位为准。
A.正确
B.错误
[单项选择]五年来,党在革命性锻造中更加坚强,焕发出新的强大生机活力,为党和国家事业发展提供了坚强()保证。
A. 政治
B. 理论
C. 组织
D. 作风
[判断题]渗透探伤根据缺陷是否穿透可分为表面探伤和检漏法两大类。( )
A.正确
B.错误
[单选题]526、管汇压力表显示为12 MPa,欲使管汇压力降为10.5MPa,此时应_____
A. 开泄压阀降压
B. 顺旋减压溢流阀的调压手轮
C. 逆时针转动减压溢流阀的调压手轮
D. 开液动阀
[单项选择]列控车载设备可通过主机的()开关进行轮径补偿系数的设定。
A. 电源
B. 切换
C. 隔离
D. 拨码
[单选题]自制或改装以及主要部件更换或检修后的机具,应按其( )依据国家相关标准进行型式试验,经鉴定合格后方可使用。
A.性能
B.用途
C.技术要求
D.参数信息
[单选题]使用梯子作业时立梯坡度一般以___度左右、上部夹角以35~45度为宜
A.30
B.45
C.60
D.90
[单项选择]使用的( )出口服装须经检验检疫机构检查产品质量和有关标识标志和标识内容。
A. 男性包装
B. 女性包装
C. 中性包装
D. 无包装
[单项选择]
Egypt felled by Famine
Even ancient Egypt’s mighty pyramid builders were powerless in the face of the famine that helped bring down their civilization around 2180 BC Now evidence gleaned from mud deposited by the River Nile suggests that a shift in climate thousands of kilometers to the south was ultimately to blame-and the same or worse could happen today.
The ancient Egyptians depended on the Nile’s annual floods to irrigate their crops. But any change in climate that pushed the African monsoons southwards out of Ethiopia would have been diminished these floods.
Dwindling rains in the Ethiopian highlands would have meant fewer plants to stablise the soil. When rain did fall it would have washed large amounts of soil into the Blue Nile and into Egypt, along with sediment from the White Nile.
The Blue Nile mud has a different isotope signature from that of the White Nile. So by analyzing isotope differences in mud deposited
A. Because they once worked miracles.
B. Because they were well-built.
C. Because they were actually very weak.
D. Because even they were unable to rescue their civilization.
[单项选择]
M为移动通信公司H的移动电话用户,每月缴纳的移动电话费包括月租费50元、其它按月收取的固定费用20元及通话费。某日,M缴电话费时发现该月电话费用平常超出很多;另外,M在该月感觉到手机通话质量很差,并曾中断服务。为此,M要求H公司提供该国内长途通信、国际通信和信息服务等收费清单,获得清单后,M仍觉得所收费用有误,遂向H提出投诉。
经查实,H公司曾因工程施工、网络建设中断服务,并在规定的时限内未及时告知M,使M遭受损失,对此H公司必须赔偿M()元。
A. 20
B. 50
C. 90
D. 140
[多选题]27.疾病风险评估报告的内容包括 [2019年,11月,多选]
A.风险等级
B.可改善的危险因素提示
C.个人信息汇总表
D.危险因素状况
E.风险评估结果