热门试题:
[单选题]二次系统和照明等回路上的工作,无需将高压设备停电者或做安全措施者应填用( )工作票。
A. 第一种
B.第二种
C.带电作业
D. 二次工作安全措施
[单选题]不穿过眶上裂的结构是
A.眶上神经
B.动眼神经
C.滑车神经
D.展神经
E.眼神经
[多选题]调节加热炉炉膛负压的方法主要有 ( )。
A.A、 调节风门
B.B、 调节烟道挡板的开度
C.C、 调节鼓风机转速
D.D、 调节炉膛温度
[单项选择]在一次蒸汽压力相同的情况下,采用真空蒸发的优点是()。
A. 溶液沸点高、传热温度差高
B. 溶液沸点低、传热温度差低
C. 溶液沸点低、传热温度差大
D. 溶液沸点高、传热温度差小
[单项选择]制粒机的给料器的作用是()。
A. 控制能耗大小
B. 控制产量大小
C. 控制进机物料流量大小
D. 均不正确
[单项选择]下列生活常识中,没有科学依据的是()
A. 勤晒被褥可杀灭细菌
B. 生吃鸡蛋营养好
C. 家庭食具煮沸消毒时,煮沸的时间应在5分钟以上
D. 母乳喂养能增强婴儿的抗病能力
[多项选择]超声检查对下列哪些眼科疾病具有诊断意义()
A. 角膜炎
B. 视网膜脱离
C. 视网膜母细胞瘤
D. 眼球内异物
E. 眼球后肿瘤
[单项选择]被称为电脑之父、数学奇才、美籍匈牙利人的约翰·冯·诺伊曼对计算机的设计,主要表现在除()外的设计思想。
A. 提出“存储程序控制”基本思想
B. 发明了汇编语言
C. 提出数字计算机“二进制”应用
D. 提出计算机五大逻辑部件
[多选题]目视检查动力连接器外观,连接器表面油漆完好,无鼓泡,无脱落,( ),连接器与固定底座间密封不好易造成绝缘故障。。
A.连接器表面油漆完好,无鼓泡,无脱落
B.连接器与固定底座间密封良好;连接器主体无裂损;连接牢固
C.防护盖无裂损
D.波纹管状态良好,无破损
[简答题]接触网带电部分至固定接地物距离有何规定?
[单选题]牵引变电所发生故障后,由当班供电调度员负责统一指挥( )进行应急处置工作。(应急处置-西铁供函〔2017〕115号第13条)
A.牵引变电所值班(守)人员
B.牵引变电所工长
C.检修人员
D.助理值班员
[单项选择]
Passage 2
Debbie is a divorcee who lives with her children. She works in a doctor’ s office and enjoys the contact with people. Her son, John, age ten, stays with a neighbor both before and after school. Jennifer, her daughter, age five, goes to a day-care center.
Debbie’ s daily responsibility often seems overwhelming. Each morning she prepares breakfast, fixes bag lunches and organizes things she and the children need to take for the day. Debbie insists her children make their beds before leaving in the morning. Neither child, however, is able to meet her standards, so she usually makes the beds while they are eating. The children watch television and usually are not ready to leave when they should be. Debbie has been late to work several times during the last few months.
Debbie feels guilty for not being more a part of her children’ s day. John’ s teacher recently sent a note home that expressed concern about his behavior.
A. great in amount
B. annoying
C. troublesome
D. uncontrolled
[多选题]企业国际化战略的特征_______
A.经营环境非常复杂
B.进空间更为广泛
C.竞争非常激烈
D.信息管理难度大
[多选题] 以下哪些属于生产现场作业“十不干”的内容( )
A. 现场安全措施布置不到位、安全工器具不合格的不干
B. 杆塔根部、基础和拉线不牢固的不干
C. 高处作业防坠落措施不完善的不干
D. 有限空间内气体含量未经检测或检测不合格的不干
[单项选择]An electronics company’s two divisions showed consistent performance over the last two years. In each year, the audiovisual department accounted for roughly 30 percent of the company’s sales and 70 percent of the company’s profits over the period, while the home appliance division accounted for the balance.
Which of the following statements regarding the last two years can be inferred from the statement above ?()
A. The audiovisual market is growing faster than is the home appliance division.
B. The home appliance division has realized lower profits per dollar of sales than has the audiovisual division.
C. Total dollar sales for each division has remained roughly constant for the last five years.
D. The company has devoted more money to research and development efforts in the audiovisual division than in the home appliance division.
E. To maximize profitability, the company should focus its resources on the home appliance division.
[多项选择]原子吸收光谱仪在工作过程中出现没有吸收的故障时,常见原因有()
A. 光源选择不正确
B. 波长选择不对
C. 工作电流选择过大
D. 火焰温度选择不当
E. 标准溶液配制不合适
[判断题]驻华大使馆大使或国际组织驻华代表机构代表夫妇在中国境内机场乘坐民航班机,凭外交护照,其人身及随身携带的手提行李物品免予检查。
A.正确
B.错误
[单选题]直线轨距标准为( )mm。
A.1 535mm
B.1 415mm
C.1 435mm
D.1 450mm
[单项选择]
Fifty years ago, most people’s daily levels of activity were equivalent to walking three to five miles a day. Today, the (1) person fails to (2) that distance in a week. It’s (3) the ratio of fatness has soared—with serious implications for health.
What we have (4) in convenience from labour-saving devices over the past half- century, we have paid for (5) a sharp decline in physical activity. We use cars, buses or trains to (6) work; our children are (7) to school; elevators and lifts have replaced (8) stairs in shopping centres, offices and apartment blocks. Washing machines, vacuum cleaners, dishwashers and electric mowers all reduce the effort required to (9) a clean and tidy home. Almost one third of adults (10) over ten hours sitting down every day, adding (11) a staggering average of 32 years and four months over a lifetime. (12) surprising,
A. conservative
B. formal
C. conventional
D. usual
[多项选择]施工过程中,建筑平面图是( )的重要依据。
A. 砌筑墙体
B. 定位放线
C. 室内装修
D. 安装门窗
E. 新建房屋定位
[简答题]描述岩石颜色时,应描述岩石外表面的颜色,并注意描述局部颜色变化情况。
[多项选择]患者,男性,69岁,肠梗阻入院2天,初步诊断为结肠癌,准备行结肠镜检查及手术治疗。入院后第三天患者出现腹痛加重,发热38.5℃,血压由入院时140/85mmHg降至100/75mmHg,心率由84次/分,增加至142次/分,呼吸32次/分。诊断为肠穿孔、腹膜炎,拟急诊行剖腹探查术。患者既往高血压病史15年,规律服用降压药。麻醉诱导后,患者血压80/50mmHg,心率122次/分,应如何处理()。
A. 静脉用毛花苷C0.4mg
B. 静脉注射去氧肾上腺素
C. 静脉用多巴酚丁胺1~2mg
D. 乳酸林格液加快输入
E. 5%葡萄糖溶液加快输入
[填空题]锅炉补给水处理控制系统一般有()、()、()以及()四种控制方式。
[单项选择]下面( )不是第三代移动通信系统(3G)的国际标准。
A. WCDMA
B. GPRS
C. CDMA2000
D. TD-SCDMA
[单选题]肛门坐浴的温度是( )
A.36~38℃
B.38~40℃
C.39~41℃
D.41~43℃
E.43~46℃
[单项选择]下列属于信托特点的是:a、所有权和利益权相分离;b、信托财产具有独立性;c、信托管理具有连续性;()。
A. ac
B. bc
C. ab
D. 全部
[判断题]同杆(塔)架设多回线路中部分线路停电的工作,工作负责人在接受许可开始工作的命令前,应与工作许可人核对停电线路名称无误后,方可宣布开始工作。
A.正确
B.错误
[判断题]空气呼吸器使用前气瓶压力不能低于15 Mpa。( )(难)
A.正确
B.错误
[单选题]{A}对堤岸防护工程顶部及土坝体顶的养护内容不包括()。
A.清除垃圾
B.填垫水沟浪窝
C.顺水
D.排水
[判断题]用电设备的绝缘性能是否良好,关系到这些设备能否安全运行。
A.正确
B.错误
[简答题]
简述能力倾向与教学的相互作用给教育的启示。
[多选题] 以下关于政府采购信息公开正确的是:()
A.除财政部和省级财政部门以外,其他任何单位和个人不得指定政府采购信息的发布媒体
B.《中国财经报》(《中国政府采购报》)是财政部指定的全国政府采购信息发布媒体之一
C.财政部负责确定政府采购信息公告的基本范围和内容,省级(含计划单列市)财政部门负责确定本地区政府采购信息公告的范围和内容
D.在国务院财政部门指定的全国政府采购信息发布媒体上刊登法定的政府采购信息,全部免费
[单项选择]褪黑素对生长发育期哺乳动物生殖活动的影响是()
A. 延缓性成熟
B. 促进性腺的发育
C. 延长精子的寿命
D. 促进副性腺的发育
E. 促进垂体分泌促性腺激素