热门试题:
[多选题]授权书中缺少哪些要素，视为无效查询（）
A. 被授权人
B. 授权人个人签名、授权日期及身份证号码
C. 授权人法人公章及法定代表人签字
D. 与授权人承担共同或连带责任的第三方签名、签章的
[单选题]锰硅碳球粒度10-50mm 的比例应大于（ ）。
A.A、80%
B.B、85%
C.C、90%
D.D、95%
[单选题]( )对于向往相当于胆怯对于 ( )
A.期待 自卑
B.迷茫 勇敢
C.憧憬 害怕
D.感觉 情愫
[单选题]下列关于我国古代政治制度的表述不正确的是()。
A.秦朝的中央行政机关实行三公九卿制，其中三公指丞相、太尉、御史大夫
B.唐朝创立了三省六部制，三省同为最高政务机构，三省的长官都是宰相
C.元朝设立行省制度，行中书省是元朝地方最高行政机构
D.明朝在中央废丞相权分六部，六部直接对皇帝负责，地方实行三司分权
[单选题]突发事件应急工作应当遵循什么方针?( )
A.统一领导,分级负责
B.预防为主,长备不懈
C.反应及时,措施果断
D.依靠科学,加强合作
[单选题]Word中打开菜单可以用控制键______和各菜单名旁带下划线的字母。
A. Shift
B. Ctrl + Shift
C. Ctrl
D. Alt
[单选题]更换绝缘子、移动或开断导线的作业，应有防止（）的后备保护措施。开断导线时不得两相及以上同时进行，开断后应及时对开断的导线端部采取绝缘包裹等遮蔽措施。
A.导线脱落
B.导线断裂
C.导线断股
D.导线移动
[单选题]关于经营性道路旅客运输驾驶员的从业资格条件中，下列说法错误的是（ ）。
A.取得相应的机动车驾驶证3年以上
B.年龄不超过60周岁
C.3年内无重大以上交通责任事故记录
D.经户籍地或者暂住地设区的市级道路运输管理机构对其进行从业资格考试，考试合格取得相应的从业资格证件
[单项选择]戊型肝炎病毒（HEV）的主要传播途径是（）。
A. 消化道传播
B. 输血传播
C. 虫媒传播
D. 呼吸道传播
E. 直接接触传播
[单项选择]{{B}}Questions 11 to 18 are bused on the conversation you have just heard.{{/B}}
A. She’s watching the cars go by.
B. She’s washing the car for killing time.
C. The man should feel well soon.
D. The man works harder than she does.
[单选题]11.能抑制胃酸形成的最后环节,发挥治疗作用的药物是
A.西咪替丁
B.哌仑西平
C.丙胺太林
D.异丙基阿托品
E.雷贝拉唑
[单选题]可挤式电动转辙机内设有（ ）装置，当发生挤岔时，能保护道岔尖轨及电动转辙机机件不受损坏。
A.转换
B.减速器
C.挤岔
D.锁闭
[多项选择]工业建筑定位放线测量主要包括（）等。
A. 厂房柱列轴线测设
B. 厂房方形控制网的测设
C. 基础施工测量
D. 厂房构件安装测量
E. 设备安装测量
[单项选择]信息论的主要奠基人是美国科学家（）
A. Shannon
B. Hartley
C. Winner
D. Slolmen
[单选题] 全面建成小康社会决胜阶段,中国特色社会主义进入新时代的关键时期召开的一次重要会议是( )
A.十六大
B.十七大
C.十八大
D.十九大
[单项选择]新中国在尖端科学技术领域取得一系列重要的成就，1964年10月取得的成就是（）
A. 爆炸了第一颗原子弹
B. 爆炸了第一颗氢弹
C. 第一枚中远程导弹发射成功
D. 第一颗人造地球卫星发射成功
[判断题]OPGW（光纤复合架空地线）引下光缆弯曲半径应≥25倍光缆的直径。（ ）（DL/T 5161.11—2018《电气装置安装工程质量检验及评定规程 第11部分：通信工程施工质量检验》7.0.2）
A.正确
B.错误
[单选题]DSA200型受电弓技术参数为___。
A.升弓时间≤5s；降弓时间≤4s
B.升弓时间≤5s；降弓时间≤4.4s
C.升弓时间≤5.4s；降弓时间≤4s
D.升弓时间≤5.4s；降弓时间≤4.4s
[不定项选择题]A.能抬头
A.能坐
B.能独走
C.能站
D.能并足跳
E.6个月
[多项选择]网管系统主要起到（）的作用
A. 信令跟踪
B. 监控
C. 修改参数
D. 搜集数据
[单选题]术后患者采取平卧位,腘窝下垫软枕,其主要目的是()
A.缓解腹壁张力,促进切口愈合
B.保持肢体功能位,促进患者舒适
C.防止肿块脱出,预防复发
D.减少阴囊血肿的发生
E.减轻切口疼痛及渗血
[单项选择]The early retirement of experienced workers is seriously harming the US economy, according to a new report from the Hudson Institute, a public policy research organization. Currently, many older experienced workers retire at an early age. According to the recently issued statistics, 79 percent of qualified workers begin collecting retirement benefits at age 62; if that trend continues, there will be a labor shortage that will hinder the economic growth in the twenty-first century.
Older Americans constitute an increasing proportion of the population, according to the US Census Bureau, and the population of those over age 65 will grow by 60% between 2001 and 2020. During the same period, the group aged 18 to 44 will increase by only 4%. Keeping older skilled workers employed, even part time, would increase US economic output and strengthen the tax base; but without significant policy reforms, massive early retirement among baby boomers seems more likely.
Retirement at age 62 is an economically rational decision today. Social Security and Medicaid earnings limits and tax penalties subject our most experienced workers to marginal tax rates as high as 67%. Social Security formulas encourage early retirement. Although incomes usually rise with additional years of work, any pay increases after the 35-year mark result in higher social Security taxes but only small increases in benefits.
Hudson Institute researchers believe that federal tax and benefit policies are at fault and reforms are urgently needed, but they disagree with the popular proposal that much older Americans will have to work because Social Security will not support them and that baby boomers are not saving enough for retirement. According to the increase in 401 (k) and Keogh retirement plans, the ongoing stock market on Wall Street, and the likelihood of large inheritances, there is evidence that baby boomers will reach age 65 with greater financial assets than previous generations.
The Hudson institute advocates reforming government policies that now discourage work and savings, especially for older worker. Among the report"s recommendations: Tax half of all Social Security benefits. regardless of other income; provide 8% larger benefits for each year beyond 65; and permit workers nearing retirement to negotiate compensation packages that may include a lower salary but with greater healthcare benefits. However, it may take real and fruitful planning to find the right solution to the early retirement of older experienced workers; any measures taken must be allowed to prolong the serviceability of older experienced workers.The second paragraph is written chiefly to show that ______
A. there will be an acute labor shortage in the near future
B. baby-boomers contribute much to the US economic output
C. government policies concerning older people are out-dated
D. alder workers are enthusiastic about collecting social benefits
[单选题]（ ）表示危险位置的安全标记。
A.安全色（黄色）、对比色（黑色）的相间条纹
B.安全色（绿色）、对比色（白色）的相间条纹
C.安全色（蓝色）、对比色（白色）的相间条纹
D.安全色（红色）、对比色（白色）的相间条纹
[单项选择]出口款项收汇后，对（）结算方式、单据相符的出口单据项下票证承兑业务，华夏银行可为客户办理单据置换。
A. 信用证
B. 托收
C. 信用证或托收
D. 汇款
[单选题]152726QT型新造轴承运行里程为（ ）
A.80万 km
B.85万 km
C.90万 km
D.95万 km
[单项选择]神经系统副肿瘤综合征不需要与下列哪种疾病鉴别（）。
A. 肿瘤直接压迫、浸润、转移等引起的组织破坏所致的症状
B. 肿瘤治疗过程中如手术、化疗、放疗以及其他治疗引起的症状
C. 由于肿瘤引起的营养、代谢障碍和应用免疫抑制剂治疗引起的各种感染之后发生的症状
D. 神经系统变性病
E. 异染性脑白质营养不良
[单选题]景观生态学中，相对面积大、连通程度高、有动态控制功能的背景地块是（ ）。
A.斑块
B.基质
C.廊道
D.景观
[单项选择]NG飞机的空/地传感器安装在哪个起落架上（）
A. 右主起落架上
B. 左主起落架上
C. 前起落架上
D. 三个起落架上都有
[单项选择]Half the world’’s population will be speaking or learning English by 2015, researchers say. Two billion people are expected to start learning English within a decade and three billion will speak it,says a British Council estimate.
Other languages, such as French, risk becoming the casualties of this "linguistic globalization". But the boom will be over by 2050 and the English-language teaching industry will have become a victim of its own success, says David Graddol, author of the report, The Future of English.
Mr. Graddol’’s research was based on a computer model developed to estimate demand for English-language teaching around the world. The lecturer, who has worked in education and language studies at the Open University for the past 25 years, said the model charted likely student numbers through to 2050.
It was compiled by looking at various estimates from the United Nations Education, Scientific and Cultural Organization (Unesco) on education provision, demographic projec
A. actively studied by over 200 million people.
B. freely spoken by global English learners.
C. popular with over 80% of world inhabitants.
D. really mastered by 50% of people worldwide.
[单选题]电容型验电器、绝缘杆的工频耐压试验周期为（）。
A.三个月
B.半年
C.一年
D.两年
[单选题]计算机用来表示存储空间大小的最基本单位是（ ）
A.Baud
B.bit
C.Byte
D.Word
[单选题]无菌盘铺好后( )
A.有效期4小时
B.有效期2小时
C.有效期12小时
D.有效期24小时
E.有效期7天
[多选题]施工现场人工接地体常用的金属材料有()。
A.圆钢
B.钢管
C.角钢
D.扁钢
E.螺纹钢
[简答题]电梯厅和过道上至少要布置( )个自动喷头。
A.6
B.7
C.8
D.9
[单选题]当接触网断电时，无论已断导线是否落到地上，严禁任何人接触。当施工人员发现接触网断线时，应立即通知附近的接触网工区或电力调度员，并按规定设置停车防护信号加以防护。并在断电导线的（ ）m半径范围以内禁止人员接近。
A.5
B.6
C.8
D.10
[填空题]CR400AF动车组烟火报警系统具有（）功能，对火灾报警控制器与火灾探测器进行自检，通过操作显示屏上的自检按钮，也可以启动烟火报警系统的自检测试功能。
[单选题]公安机关办案人员对违法事实确凿并有法定依据，对个人处以50元以下、对单位处以1000元以下罚款或者警告的行政处罚，（）当场作出行政处罚决定。
A.应当
B.可以
C.必须
D.需要
