热门试题:
[判断题] 一份操作票超过一个操作任务,为“不合格票”。()
A.正确
B.错误
[单选题]下列哪一项气体泄露,一般不会发生爆炸?( )(易)
A. 煤气
B. 氯气
C.天然气
D .氨气
[单选题]下列绝缘子型号为低压针式绝缘子的是（ ）。
A. CD10-1
B.XP-7C
C.ED-3
D.PD-1T
[单选题]井架工不应扣飞车，不应用手抓钻杆（ ）。
A.接头
B.内螺纹
C.外螺纹
D.本体
[多选题]关于行政复议机关作出撤销决定的适用条件，下列哪些选项是正确的？
A.主要事实不清、证据不足的
B.适用依据错误的
C.违反法定程序的
D.超越或者滥用职权的
[判断题]未全部熄灭或炉膛温度较高时,可排空或低点排凝( )
A.正确
B.错误
[单项选择]对于河道滩岸的坍塌观测，一般可通过巡查或普查的方式直接进行（）。
A. 仪器探测
B. 仪器测量
C. 定性观察
D. 定量计算
[单选题]党的十九届五中全会提出了“十四五”时期经济社会发展指导思想和必须遵循的原则,其中包括协调推进()的战略布局
A.党的基本理论、基本路线、基本方略
B.“五位一体”
C.“四个全面”
D.“两个维护”
[单选题]进入立体库房巷道必须佩戴（），并切断堆垛机电源，待堆垛机静止10秒后进入。检修完毕后应确认巷道内无其他人员或遗留杂物，方可启动堆垛机。
A.A.安全帽
B.B.鸭舌帽
C.C.帽子
D.D.凉帽
[单选题]普速铁路区段，运行途中遇接触网网压突然为零时，司机应立即采取断电降弓、停车措施，并向车站值班员（列车调度员）报告（ ）。
A.停车地点
B.降弓地点和停车地点
C.停车原因和停车地点
[单选题]隧道围岩为Ⅰ～Ⅲ级的中小跨度隧道，宜采用（ ）
A.全断面
B.留核心土法
C.台阶法
D.双侧壁导坑法
[简答题]试论外国广播电视机构的体制类型及其基本特点。
[单项选择]
Crime has its own cycles(周期) ,a magazine reported some years ago. Police records that were studied for five years from over 2400 cities and towns show a surprising link between changes in the season and crime patterns. The pattern of crime has varied very little over a long period of years. Murder reaches its high during July and August as do other violent attacks. Murder, moreover is more than seasonal; it is a weekend crime. It is also a nighttime critne:62 percent of murders are committed between 6 p. m. and 6 a. m.
Unlike the summer high in crimes of bodily harm, robbing has a different cycle. You are most likely to be robbed between 6 p. m. and 2 a. m. on a Saturday night in December, January, or February. The month with least crimes of all May-except for one strange fact. More dog bites are reported in this month than in any other month of the year. Apparently our seasonal cycles of knowledge are completely different from our tendencies for crimes. Professor
A. People reading serious books.
B. People attending scientific meetings.
C. High results on examinations.
D. High temperature and humidity.
[单选题]绝缘靴的试验周期是（ ）
A.每年一次
B.六个月一次
C.三个月一次
D.一年一次
[单选题]皮带传动的优点是()。
A.没有滑动
B.轴上载荷较小
C.能在温度较高、湿度较大的环境中使用
D.运行平稳、低噪
[单选题]采取在电源中性点经消弧线圈接地方式,其目的是减小( )。
A.接地电流
B.接地电压
C.接地有功
[单项选择]To avoid the various foolish opinions to which mankind is liable, no superhuman genius is required. A few simple rules will keep you, not from all errors, but from silly errors.
If the matter is one that can be settled by observation, make the observation yourself. Aristotle could have avoided the mistake of thinking that women have fewer teeth than men, by the simple device of asking Mrs. Aristotle to keep her mouth open while he counted. He did not do so because he thought he knew. Thinking that you know when in fact you don’’t is a fatal mistake, to which we are all liable.
Many matters, however, are less easily brought to the test of experience. If, like most of mankind, you have strong convictions on many such matters, there are ways in which you can make yourself aware of your own prejudice. If an opinion contrary to your own makes you angry, that is a sign that you subconsciously are aware of having no good reason for thinking as you do. If someone maintains that two and t
A. there are various ways to rectify false beliefs in many matters.
B. our irritation at opposite views proves our unconvincingness.
C. fierce controversies reveal the incapacity to win either side.
D. we should firmly defend our belief as it encounters any challenge.
[单项选择]维生素D在体内实现其基本生理功能的主要形式是（）。
A. 25-OH-D3
B. 1，25（OH）2D3
C. 7-脱氢胆固醇
D. 24R，25（OH）2D3
E. 麦角固醇
[单选题]铁路交通发生事故，造成（ ）的直接经济损失，为重大事故。
A.2000万元以上5000万元以下
B.l000万元以上2000万元以下
C.5000万元以上1亿元以下
D.6000万元以上
[填空题] Although there are many skillful Braille readers, thousands of other blind people find it difficult to learn that system. They are thereby shut (61)______ from the world of books and newspapers, having to (62)______ on friends to read aloud to them.
A young scientist named Raymond Kurzweil has now designed a computer which is a major (63)______ in providing aid to the (64)______ . His machine, Cyclops, has a camera that (65)______ any page, interprets the print into sounds, and then delivers them orally in a robot-like (66)______ through a speaker. By pressing the appropriate buttons (67)______ Cyclops’’s keyboard, a blind person can "read" any (68)______ document in the English language.
This remarkable invention represents a tremendous (69)______ forward in the education of the handicapped. At present, Cyclops costs $50,000. (70)______ , Mr. Kurzweil and his associates are preparing a smaller (71)______ improved version that will sell (72)______ less than half that pric
A. A．up
B．down
C．in
D．off
[判断题]申请人在考试过程中有舞弊行为的，已经通过的考试科目成绩无效。( )《驾驶人员资格许可》
A.正确
B.错误
[多选题]有（ ）病症之一的,不得从事接尘作业。
A.A、活动性肺结核病及肺外结核病
B.B、严重的上呼吸道
C.C、支气管疾病
D.D、显著影响肺功能的肺脏
E.E、胸膜病变
F.F、心、血管器质性疾病
G.G、经医疗鉴定,不适于从事粉尘作业的其他疾病。
[单项选择]胸腺瘤好发于
A. 前上纵隔
B. 前下纵隔
C. 中纵隔
D. 后纵隔
E. 全纵隔
[判断题] 《重大安全生产隐患直报工作规定》中规定：重大安全生产隐患直报情况纳入安全生产工作考核，对未按规定直报的重大安全生产隐患在季度考核中量化扣分。（）
A.正确
B.错误
[单项选择]中年女性，甲亢不规则药物治疗2年。改用放射性131I治疗一周后突发高热，心慌。体格检查：T40℃，心率150次/分，呼吸急促，大汗淋漓，烦躁不安。实验室检查：血WBC↑，N↑，FT3↑，FT4↑，TSH↓。治疗首选（）。
A. MTU
B. CMZ
C. MM
D. TH
E. PTU
[单选题]220千伏线路、设备不停电时的安全距离为（）。
A.在配电作业现场进行营销工作，需要将高压线路、设备停电或做安全措施者。
B.低压线路、设备上工作，不需要将高压线路、设备停电或做安全措施者。
C.客户侧开展业扩报装工作
D.客户侧开展用电检查工作。
[单选题]虚拟现实和虚拟制造技术是计算机应用的新领域,主要是由计算机应用领域中的()结合成的.
A.A:科学计算与数据处理
B.B:多媒体技术与人工智能
C.C:数据处理与人工智能
D.D:网络与人工智能
[单选题]代理商经营过程中如有违反协议相关条款行为的，中国联通负责该代理商管理的单位，根据协议约定追究代理商违约责任，直至（ ）
A.扣罚佣金
B.解除协议
C.扣除保证金
D.取消其代理资格
[单项选择]项目法人质量管理的主要内容不包括（）。
A. 建立质量管理机构和质量管理制度
B. 委托质量监督机构对工程质量进行监督
C. 通过招标方式选择施工承包商并实行合同管理
D. 工程完工后，应及时组织有关单位进行工程质量验收、签证
[简答题]联系用手信号显示股道号码时，夜间用白色灯光上下摇动，表示开通一道。
[简答题]某化工厂，申请新装400kVA变压器，负荷性质为一级负荷，高峰负荷390kW，其中重要负荷（保安）230kW。请计算需用变压器容量及用户自备发电机功率各应为多少？
[填空题]A (11) physician, who was lying on his deathbed, was surrounded by several fellow physicians, who were weeping at his loss.
When the (12) man observed it, he comforted them, by saying, "Don’t weep, gentlemen, because I must die. It is not such a great loss to the world as you think, for I shall leave three great physicians behind me."
Every one of them (13) that he was one of the three. So they pressed him very much, to tell them, who the well-known men were.
"They are: Water, (14) and Temperance," he replied.
One may easily imagine how surprised and disappointed they were, when they received this (15) answer.
[多项选择]驾驶出租汽车直线行驶，转向突然失控，正确的应急处置方法有（）。
A. 松抬加速踏板
B. 根据情况，使用驻车制动器辅助制动
C. 缓踩制动踏板
D. 紧急制动
