热门试题:
[多选题]DDN网具有（ ）和提供高速数据专线等优点。
A. 传输质量高
B. 误码率低
C. 传输时延小
D. 支持多种业务
[单项选择]资本运营是以（）为中心的企业运作机制。
A. 资本导向
B. 技术导向
C. 需求导向
D. 产品导向
[单选题]电焊机的外壳应可靠接地，接地电阻不准大于（）Ω。
A.3
B.4
C.5
D.6
E./
F./
[单选题]单选题:安全防范器械(但不仅限于)包括:防暴胶棍、防暴钢叉及( )。
A.防暴钢管
B.催泪喷雾
C.防身钢管
D.防暴盾牌
[单选题]世界银行《营商环境报告》的指标贯穿企业生命周期,下列指标中与税务部门相关的是:(单项选择题)
A.办理施工许可证
B.执行合同
C.跨境贸易
D.纳税
[单选题] 氟利昂特性,错误的是()。
A. 无毒
B. 无味
C. 无燃烧爆炸危险
D. 低毒
[判断题]( )水稻褐飞虱主要为害水稻叶片。
A.正确
B.错误
[单项选择]33，40，55，78，109，（）。
A. 116
B. 127
C. 132
D. 148
[单项选择] Jan. 6 issue--The weather outside was icy, but inside, 250 journalists were gathered in a Manhattan office complex to see the latest schemes for rebuilding the World Trade Center site. Last week was the first hope that something good for the city could emerge from September 11.
A year ago New York Governor George Pataki established the Lower Manhattan Development Corporation to be responsible for the rebuilding. The agency has bungled the effort more than once. Last summer the public gave its first set of plans a Bronx cheer (嘘声), urging the LMDC to hold an international competition for new designs. From more than 400 applicants, it chose six teams of designers (a seventh firm, LMDC consultants Peterson/Littenberg, was added later).
The most futuristic aspects of the schemes are in the skyline--several call for the tallest buildings in the world. British architect Norman Foster says his firm’’s two towers "kiss and touch and become one"; Team United offers a cluster of towe
A. LMDC’’ s effort to rebuild the World Trade Center site
B. the schemes for rebuilding the World Trade Center site
C. people’’ s hope of having a rebuilt World Trade Center
D. how to rebuild the World Trade Center in New York
[单项选择]关于腹部摄影要点。肾、输尿管及膀胱前后位摄影要点是（）。
A. 受检者俯卧于摄影床上，下肢伸直，人体正中矢状面垂直台面并与台面中线重合，两臂置于身旁或上举
B. 照射野上缘包括横膈，下缘包括耻骨联合下缘
C. 正常呼吸曝光
D. 深吸气后屏气曝光
E. 深呼气后屏气曝光
[填空题]Don’t depend too heavily on the ______.
[单选题]离行式自助设备的日常巡检，由支行、营业网点负责，至少_________巡检一次。
A.每周
B.每旬
C.每月
D.每季
[单项选择]Not only she but also her neighbours （）to the party.
A. was invited
B. has been invited
C. have invited
D. were invited
[单选题]个人保安接地线应使用有透明护套的多股软铜线,截面积不准小于(),且带有绝缘手柄或绝缘部件。禁止用个人保安接地线代替接地线。
A.10mm2
B.25mm2
C.16mm2
[多选题]就业是人民生存的经济基础和基本保障,是最大的( )工程
A.民心
B.经济
C.民生
D.根基
[单项选择]
否定是辩证法的一个最重要因素。辩证法在本质上是批判的革命的和创新的，这因为（）
①世界上所有的事物，都是处于不断发展过程之中
②没有一种事物是绝对的、永恒不变的
③辩证的否定是事物发展变化的推动力量，不了解辩证的否定，也就不会知道事物是怎样发展的
④辩证法不崇拜任何东西，主张抛弃过去的一切
A. ①②③
B. ①②③④
C. ①③④
D. ①②④
[单选题]在高温重载条件下,为了提高油膜强度,在润滑油中应添加______。
A.抗泡剂
B.油性添加剂
C.碱性添加剂
D.极压添加剂
[判断题]在起吊重量最大起重量时，每一个支承梁下面的地面受压面积不应小于2m2。
A.正确
B.错误
[单项选择]自然人的软件著作权保护期为（）。
A. 自然人终身
B. 50年
C. 死亡后50年
D. 自然人终身及其死亡后50年
[多选题] 光缆测量使用的主要仪表有( )。
A.万用表
B.OTDR仪表
C.光功率计
D.频谱仪
E.兆欧表
[单选题]对于因缺失而无法找回的灭火器,应及时在原指定的位置按配置规定添补相( )的灭火器。
A.类型
B.规格
C.体积
D.容积
[单选题]中性点不接地电网的三种接地保护中,( )是无选择性的。
A.绝缘监视装置
B.零序电流保护
C.零序功率方向保护
D.零序电压保护
[单选题]ZYJ7电液分动外锁闭道岔锁钩铜套磨损不得超过（）
A.44198
B.44260
C.44259
D.44230
[单项选择]下列不属于印花税的简化纳税方法的是( )。
A. 自行贴花
B. 代扣税款汇总缴纳
C. 以完税凭证代替贴花
D. 按期汇总缴纳印花税
[单选题]工作票实施规范（配电部分）：应装设的接地线：“线路名称及杆号”填写工作班组自行负责组织实施的（ ）的线路电压等级、名称和杆塔号（或电缆终端编号），及具体的位置（大号侧或小号侧）。若使用分相式接地线时，则应填写相别。
A.工作接地线
B.系统接地线
C.保安接地线
D.保护接地
[单项选择]The atmosphere is a mixture of several gases.
There are about ten chemical elements which
remain permanently in gaseous form in the atmo-
Line sphere under all natural conditions. Of these per-
(5) manent gases, oxygen makes up about 21 percent
and nitrogen about 78 percent. Several other
gases, such as argon, carbon dioxide, hydrogen,
neon, krypton, and xenon, comprise the remaining
1 percent of the volume of dry air. The amount
(10) of water vapor, and its variations in amount and
distribution, are of extraordinary importance in
weather changes. Atmospheric gases hold in sus-
pension great quantities of dust, pollen, smoke,
and other impurities which are always present in
(15) considerable, but variable amounts.
The atmosphere has no definite upper limits
but gradually thins until it becomes imperceptible.
Until r
A. New York to San Francisco
B. Los Angeles to New York
C. Boston to Miami
D. Bermuda to New York
E. (E) London to Washington, D.C.
[单选题]站台门专业中站台绝缘层的改造、维护是由哪个部门负责（ ）？
A.工务中心
B.机电中心
C.供电中心
D.客运处
[单选题]下面关于沉降缝的说法，正确的是（ ）。
（1）沉降缝应设在温度和收缩变形可能引起的应力集中的地方；
（2）沉降缝应设在高度相差较大或荷载差异较大处；
（3）沉降缝的宽度为了保证沉降缝两侧房屋内倾时不互相挤压、碰撞；
（4）沉降缝只将墙体及楼盖分开，不必将基础断开；
A.（1）（2）
B.（2）（3）
C.（3）（4）
D.（2）（4）
[单项选择]在中国的某些宾馆，外国旅游者的住宿价格高于国内旅游者，这种政策不符合( )
A. 普惠制原则
B. 国民待遇原则
C. 最惠国待遇原则
D. 特惠制原则
[判断题]雨天操作室外高压设备时，绝缘棒应有防雨罩，还应穿绝缘靴。
A.正确
B.错误
[单项选择]The murderer ______ to life imprisonment.
A. sentenced
B. judged
C. was sentenced
D. was judged
[单选题]熔化焊机可以和( )设备近邻安装。
A.空气压缩机
B.大吨位冲压机
C.氩弧焊机
[单项选择]
Complimentary Dow Jones News
Get Dow Jones Real-Time News for Investors at no charge with your Scottrade account!
It’s the same up-to-the-minute news and information that more than 300,000 financial professionals use each day to make investment decisions and stay ahead of market changes. Dow Jones Real-Time News for Investors provides extensive, high-quality coverage of companies, markets and events, including:
· Stock Market News—What’s moving and why
· Company Announcements
· Economic Indicators
· Credit Market News
· International, Regional and Industry News
Some brokers charge $30 a month for this valuable tool. At Scottrade, you’ll get the same access at no charge! Just one more reason to choose Scottrade!
The advertisement claims that people can get Dow Jones News by（）.
A. choosing Scottrade
B. paying $ 30
C. investing $300,000
D. doing nothing
[单选题]进行220kV地电位带电作业时，人身与带电体间的安全距离为()m。
A.1.8
B.1
C.0.7
D.0.6
