热门试题:
[简答题]《建规》对托儿所、幼儿园的儿童用房和儿童游乐厅等儿童活动场所确需设置在其他民用建筑内时，应符合哪些特殊要求？
[单项选择]机车车辆单位重量所具有的闸瓦压力称（）。
A. 制动率
B. 制动效率
C. 制动倍率
D. 制动能力
[单选题]作业人员工作中正常活动范围与10kV高压线路、设备带电部分的安全距离为( )米。
A.0.35
B.0.6
C.0.7
D.1.0
[单项选择]某市某区1999年总平均人口为20万，该区1998年结核病患者为1234人，其中治愈501例，死亡75例。而在1999年底时结核病患者为1742人.请问该区1999年结核病发病率为（）
A. 1742/10万
B. 871/10万
C. 542/10万
D. 1200/10万
E. 无法计算
[判断题]（ ）桩板式挡土墙适用于路堤、路堑及滑坡等特殊路基的支挡。桩应锚固在稳定地层中，桩的截面尺寸不宜小于 1.5m，截面形式可采用矩形或 T 形。
A.正确
B.错误
[单选题] 断路器和隔离开关的接地装置,接地电阻应不大于( )。
A.4Ω
B. 8Ω
C. 10Ω
D. 30Ω
[判断题]进行抽换轨枕、找小坑、改轨距等线路作业时，对电气化及信号装置的接地线及轨端连接线，必须保持其正常连接。
A.正确
B.错误
[单项选择]主要改变图像对比度调节密度的处理方法是
A. 滤波处王早
B. 均衡处理
C. 灰度处理
D. 频率处理
E. 强化处理
[单选题]凡属精密量具（ ）。
A.必须抽查鉴定
B.必须定期鉴定
C.不用鉴定
D.三者皆不是
[单项选择]在VRP5中，以下哪些命令用于查看运行LDP协议的接口（）。
A. display mpls ldp
B. display mpls lsp
C. display mpls interface
D. display mpls ldp interface
[简答题](71) The Internet is a powerful and cost-effective tool for conducting market research regarding consumer behavior, identifying new markets, and testing consumer interest in new products. Although telephone or shopping mall surveys(调查) will continue, interest in interactive Internet research methods is on the rise. (72) Online market research utilizing the Internet is frequently more efficient, faster, and cheaper, and you have the ability to get a more geographically diverse(不同的) audience than those found in offline surveys. Furthermore, the size of a market research sample is the key determinant of research design. (73) The larger the sample size, the larger the accuracy and the predictive capabilities of the results. On the Web, one can conduct a very large research study much cheaper than with other methods (20 percent to 80 percent less). For example, (74) telephone surveys can cost as much as $50 dollars per respondent. This may be too expensiv
[单选题]某地方政府准备立项改造一个小型信息系统，由于项目投资额较小，立项过程可以简化，但其中的 （ ） 环节不能缺失。
A.信息系统安全风险评估报告的编制和报批
B.初步设计方案的编制和报批
C.可行性研究报告的编制和报批
D.项目评估
[填空题]《铁路旅客运输服务质量规范》（铁总运〔2016〕247号）规定：非正常情况下的应急处置预案健全有效，预案内容<--NRC-->，流程清晰。日常组织培训，定期组织演练，培训演练有记录，有结果，有考核。
[简答题]绘图题：画出横流式强制通风冷却塔示意图。
[单项选择]
What can we learn about the woman from the dialogue [A] She likes swimming very much. [B] She won’t join the swimming team. [C] She doesn’t enjoy swimming as much as she used to.
[判断题]采掘工作面或其他地点发现透水征兆时,应当立即停止作业,报告矿调度室,并发出警报,撤出所有受水威胁地点的人员。( )
A.正确
B.错误
[单选题][单选题]以下不是线路方向及路由选择要考虑的主要因素是()。
A.客流分布与客流方向
B.旅客类型
C.城市道路网分布状况
D.隧道主体结构施工方法
[单项选择]在软件开发过程中，以下说法正确的是
A. 程序流程图是逐步求精的好工具
B. N-S图不可能任意转移控制，符合结构化原则
C. 判定表是一种通用的设计工具
D. 程序流程图和N-S图都不易表示模块的层次结构
[单项选择]According to the United States government, people are classified as homeless if they have no place to stay and no expectation of finding a place for the next thirty days, Although technically accurate, that is an impersonal assessment of an enormous and very human problem,
The homeless population represents all of us Americans, It includes men and women, the elderly, children, and infants. Its members are from all ethnic (种族的) groups. What they have in common is poverty.
Currently in the U.S., thirty-nine million people live in poverty. When money is really tight, paying the rent or buying food often becomes a choice. Government assistance in the form of food stamps does help but, as one homeless man explains, you can’t pay the rent with food stamps.
With no money for rent, the streets and homeless shelters become the alternative.Most of the homeless in the U.S. are ______.
A. male adults B. female adults C. the elderly D. children
[判断题]车辆零件在运用中，当外力超过零件的许多载荷或在交变载荷长期作用下，材料可能被破坏而产生裂纹或折损。（ ）
A.正确
B.错误
[多选题]安装经TA接入三相四线电能表时,中线不得断开后进出电能表,应在中线上T接入电能表,防止中线在电表连接部位(____),引起(____)发生零点漂移引发供电事故。
A. 短路
B. 断路
C. 三相不平衡
D. 三相平衡
[单选题]如上锁本人钥匙丢失的，需由上锁（ ）在场切断或破坏锁具进行移除。
A.分厂领导
B.电工
C.本人
D.工段领导
[多选题]华东三省一市银行汇票业务核心系统收到小额支付系统实时借记业务包，应将其业务包中各项要素与我行核心系统中登记的汇票各要素进行自动核验,包括：（）。
A.、业务类型号、发起行行号
B.、接受行行号、出票日期
C.、票据号码、出票金额
D.、付款行行号、收款人名称
E.、密押
[单项选择]Researchers who picked up and analyzed wild chimp droppings said on Thursday they had shown how the AIDS virus originated in wild apes in Cameroon and then spread in humans across Africa and eventually the world. Their study, published in the journal Science, supports other studies that suggest people somehow caught the deadly human immunodeficiency ,virus (HIV) from chimpanzees, perhaps by killing and eating them.
"It says that the chimpanzee group that gave rise to HIV… this chimp community resides in Cameroon," said Beatrice Hahn of the University of Alabama, who led the study. "But that doesn’t mean the epidemic originated there because it didn’t," Hahn, who has been studying the genetic origin of HIV for years, said in a telephone interview.
"We actually know where the epidemic took off. The epidemic took off in Kinshasa, in Brazzaville." Kinshasa is in the Democratic Republic Congo, formerly Zaire, and faces Brazzaville, in Congo, across the Congo River. Studies have tr
A. some clades of the virus related to the human virus.
B. aborigines residing in the virgin forest of Cameroon.
C. Ivory and hardwood traders who were bitten by the chimps.
D. chimp droppings floating in a river from Sonthem Cameroon to Congo.
[单选题]在高压设备上工作，应至少由两人进行，并完成保证安全的( )。
A.技术措施和应急措施
B.组织措施和现场措施
C.组织措施和技术措施
D.应急措施和现场措施
[多选题]若出现系统时钟不可用的告警，可能的原因是：
A.低告警门限设置过高
B.未配置空口时钟源或者时钟源配置错误
C.空口时钟源均锁不定
D.晶振故障
[单选题]ZP·W1-18型无绝缘移频自动闭塞,站内功放盒功出电压( )。
A.AC18.0V～35.0V
B.DC18.0V～35.0V
C.AC20.0V～40.0V
D.DC20.0V～40.0V
[单选题]柱上变压器台架工作，人体与高压线路和跌落式熔断器上部带电部分应（）。
A.做好间隔措施
B.穿戴绝缘服进行工作
C.采用带电方式进行作业
D.保持安全距离
[单选题]（ ）文件描述变电站一次系统结构以及相关联的逻辑节点。
A.ICD
B.SCD
C.CID
D.SSD
[单选题]全党制定执行大政方针,要从党的( )出发;部署推进党和国家事业发展重大战略、重大任务、重大工作,要紧紧围绕党的政治路线来进行。
A.理论路线
B.组织路线
C.纪律路线
D.政治路线
[单选题]室外低压配电线路和设备验电宜使用（）。
A.绝缘棒
B.工频高压发生器
C.声光验电器
D.高压验电棒
[判断题]弹性成本预算编制的列表法不能包括所有业务量条件下的费用预算，适用面较窄。（）
