热门试题:
[判断题]当反向电压大于击穿电压时,反向电流剧增,而稳压管两端电压基本不便,具有稳定电压作用。( )
A.正确
B.错误
[多项选择]竣工决算是反映建设项目实际造价和投资效果的文件,它由()等组成。
A. 竣工决算报表
B. 竣工决算报告说明书
C. 竣工工程平面示意图
D. 工程造价比较分析
E. 施工企业的成本及利润分析
[单选题]下列不属于反映企业偿债能力的指标是( )
A. 市盈率
B. 产权比率
C. 速动比率
D. 现金比率
[单选题]已知有下列类的说明,则下列哪个语句是正确的?
public class Test
{ private float f = 1.0f; int m = 12; static int n=1;
public static void main(String arg[])
{ Test t = new Test(); } }
A.t.f;
B.this.n;
C.Test.m;
D.Test.f;
[单项选择]在个人与个人之间进行面对面的直接的信息交流,属于传播活动中的()。
A. 人际传播
B. 群体传播
C. 大众传播
D. 组织传播
E. 自我传播
[判断题]非机动车的外形尺寸、质量、制动器、车铃和夜间反光装置,应当符合机动车安全技术标准。()
[单项选择]成本决策方法的运用主要取决于()。
A. 管理问题
B. 成本性质
C. 决策人员
D. 预期的决策结果
[单选题] ( )应当向原南第二建筑公司提供与施工现场相关的地下管线资料,原南第二建筑公司应当采取措施加以保护。
A.大发公司
B.原南县建筑设计局
C.正平监理公司
D.原南县人民政府
[判断题]计算机联锁车站,暂不使用鼠标时应将鼠标光标移至控制台空白处。
A.正确
B.错误
[多选题]摩擦轮传动适用于( )场合。
A.两轴中心距较近
B.运转中需变速、变向
C.有过载保护功能
D.传动比准确
E.两轴相交
[多选题]办理信息工作票延期手续正确的说法有( )。
A.应在信息工作票的有效期内
B.由工作负责人向工作许可人提出申请
C.由工作负责人向工作票签发人提出申请
D.应通过信息运维单位(部门)审核
[单选题] 转K5型与转K4型转向架之间下列不可以互换的部件是( )。
A.侧架立柱磨耗板
B.弹簧托板
C.下旁承组成
D.斜楔组成
[多选题]一般施工现场可能产生的临时排水有( )
A.施工现场的生活排水
B.基坑中少量渗水
C.雨季进入施工场地及基坑内的水
D.清洁场地冲洗的废水
[单项选择]声波在密度为1.29kg/m3的媒质中传播,其声压P=1.5sinπ(X-332t)N/m2,其中X的单位为m,t的单位为秒,则这种媒质的声阻抗为:()
A. 428.28kg/m2·s
B. 42828kg/m2·s
C. 257.36kg/m2·s
D. 25736kg/m2·s
[单选题]钢轨探伤仪示波屏水平满刻度代表纵波声程250mm,用70度探头发现钢轨内有一斜裂纹回波7-8格,则该裂纹中心距探头入射点的水平距离约为()。
A.76mm
B.176mm
C.189mm
D.100mm
[单选题]人民警察的任务之一是( )。
A. 维护国家安全
B.保持社会稳定
C.促进经济建设
D.保护私有财产
[单选题] 依我国目前法律的规定,下列哪一项保险是劳动者无须负担的社会保险费?( )
A. 基本养老保险
B. 工伤保险
C. 失业保险
D. 生育保险
[判断题]对于采用110kV/35kV/10kV电压等级的地区,在新建或改造时,宜优先采用110kV/10kV电压等级。
A.正确
B.错误
[填空题] Many teachers believe that the responsibilities for learning lie with the student. 【B1】 a long reading assignment is given, instructors expect students to be familiar with the 【B2】 in the reading even they do not discuss it in class or take an examination. The 【B3】 student is considered to be 【B4】 who is motivated to learn for the sake of 【B5】, not the one interested only in getting high grades. Sometimes homework is returned 【B6】 brief written comments but without a grade. Even if a grade is not given, the student is 【B7】 for learning the material assigned. When research is 【B8】, the professor expects the students to take it actively and to complete it with 【B9】 guidance. It is the 【B10】 responsibility to find books, magazines, and articles in the library. Professors do not have the time to explain 【B11】 a university library works; they expect students, 【B12】 graduate students, to be able to exhaust the reference 【B13】 in the library. Professors will help students who need it, but
A. A.selections
B.collections
C.sources
D.origins
[简答题]战略落地行动中生产运行精益的深化资产全寿命周期管理 的方式是什么?
[单项选择] You are the network administrator for The network consists of a single IP subnet. All servers are Windows Server 2003. All client computers run Windows XP Professional. The corporate firewall blocks all requests from the local client computers to port 80 in the Internet. Requests sent over port 443 are allowed through the firewall. Server computers can communicate by using port 80 are 443 to the Internet. You need to install Software Update Services (SUS) on a computer named Testking5. Testking5 has limited hard drive space and stores a minimal amount of information daily. Client computers must install Microsoft critical updates. You need to ensure that Testking5 does not run out of hard drive space after the installation of SUS. What should you do?()
A. On Testking5, clear the selection of all locales not used on your network.
B. On Testking5, select the option to maintain the updates on a Windows Update server.
C. Modify the default home page for all client computers to https://windowsupdate.microsoft.com.
D. Modify the proxy server setting for all client computers to http://testking5.
[单选题]在对流量计进行拆卸或者从管线上移走之前,管线必须先( )。
A.升压
B.卸压
C.测漏
D.防腐
[单选题] 重性精神病人排查工作中,对于已经造成现实危害的精神病人,依法( ),绝不手软,坚决防止这类人员长期流散社会,形成新的不稳定因素。
A. 行政拘留
B. 逮捕
C. 强制收治
D. 管制
[单项选择]
Text 1
Publicity offers several benefits. There are no costs for message time or space. An ad in prime-time television may cost 500,000 or more per minute, whereas a five-minute report on a network newscast would not cost anything. However, there are costs for news releases, a publicity department, and other items. As with advertising, publicity reaches a mass audience. Within a short time, new products or company policies are widely known.
Credibility about messages is high, because they are reported in independent media. A newspaper review of a movie has more believability than an ad in the same paper, because the reader associates independence with objectivity. Similarly, people are more likely to pay attention to news reports than to ads. For example, Women’s Wear Daily has both fashion reports and advertisements. Readers spend time reading the stories, but they flip through the ads. Furthermore, there may be 10 commercials durin
A. in a newspaper than in a women’s daily
B. in a newspaper than in a magazine
C. in an independent newspaper than in a dependent newspaper
D. in a magazine than in a local newspaper
[单选题]吴某因涉嫌受贿罪被检察机关决定取保候审,下列说法中正确的是( )。
A.该取保候审应当由公安机关执行,保证金由检察机关收取
B.该取保候审应当由公安机关执行,保证金由公安机关委托银行代为收取
C.该取保候审应当由检察机关执行,保证金由检察机关委托银行代为收取
D.该取保候审应当由检察机关执行,保证金由公安机关收取
[填空题]营业厅受理区内的配套设备设施应以受理为主,分别摆放在每个台席的___,其他消耗品及公章等保存在个人的使用柜中。
[判断题]动车组列车运行中,车门、气密窗锁闭状态良好。
A.正确
B.错误
[单项选择]在银行营业点、电话银行、网上银行、自动柜员机(ATM) 4种服务方式中,______的服务费用最低。
A. 电话银行
B. 网上银行
C. 营业点
D. 自动柜员机
[判断题]公专变同期线损系统与用采系统的售电量不一致时,应考虑从表计倍率问题、换表问题、表计故障问题等方面进行分析治理。( )
A.正确
B.错误
[单项选择]
C
A famous teacher was speaking to the students at our school. He began his lesson by holding up a $100 bill. Then he said to the three hundred students, "Who would like this $100 bill" The students began to put up their hands at once.
Then he said, "I am going to give this $100 to one of you, but first, let me do this. " He then made the bill into a ball. Then he said, "Who wants it now" The hands went back into the air.
"Well," he said, "What if I do this" and he dropped it on the floor and stepped on it. He picked up the dirty, crumpled bill and said, "Who still wants it" Hands went back into the air.
"My friends," he said, "you have learned a valuable lesson today. No matter (无论) what I did to the money, you still wanted it because it did not go down in value (价值). It was still worth $100!"
Many times in our lives, we are dropped, crumpled, and stepped on by the chances we take and the things that happen to us. We
A. Because he wanted to make the bill into a ball.
B. Because he used to drop a bill on the floor and stepped on it.
C. Because he was going to give the bill to one of his students.
D. Because he wanted to make the students know what value was.
[单项选择]甲型肝炎()。
A. 巩膜黄染
B. 虹膜纹理模糊或消失
C. 瞳孔缩小
D. 瞳孔扩大
E. 单侧眼睑下垂
[单选题]动环监控系统主要实现以下( )功能。
A.数据采集和控制
B.设备运行和维护
C.维护管理
D.以上都是
[判断题]汽轮发电机静子铁芯由导磁较好的硅钢片叠装组成。( )
A.正确
B.错误
[单项选择]高炉煤气中可燃成份CO含量为()。
A. 6%~9.9%
B. 23.2%~27%
C. 70%~75%
[单项选择]MG500/1130-WD采煤机,其中1130指的是()。
A. 总装机功率
B. 调高电机
C. 牵引电机功率
D. 截割电机功率
[单项选择]—John, hand in your composition, ______
—OK.
A. do you
B. will you
C. didn’t you
D. don’t you