热门试题:
[单选题]经营者提供的格式条款中含有对消费者不公平的内容的，该内容的效力（ ）。
A.有效
B.无效
C.效力待定
D.确认后有效
[单选题] 电动列车客室车门是依靠（ ）来实现车门防夹功能。
A.车门电机
B.紧急解锁装置
C.蜂鸣器
D.车门指示灯
[单项选择]Music comes in many forms; most countries have a style of their own. (56) the turn of the century when jazz was born, America had no prominent (57) of its own. No one knows exactly when jazz was (58) , or by whom. But it began to be (59) in the early 1900s. Jazz is America’s contribution to (60) music. In contrast to classical music, which (61) formal European traditions, jazz is spontaneous and free form. It bubbles with energy, (62) the moods, interests, and emotions of the people. In the 1920s jazz (63) like America, and (64) it does today.
The (65) of this music are as interesting as the music (66) American Negroes, or blacks, as they are called today, were the jazz (67) They were brought to Southern States (68) slaves. They were sold to plantation owners and forced to work long (69) When a Negro died his friend and relatives (70)
A. demonstrated
B. composed
C. hosted
D. formed
[判断题] 起道作业时,隧道、下承式桁架桥和拱桥、斜拉桥不得超过限界尺寸线。
A.正确
B.错误
[多选题]对于首次中标的电缆敷设单位或附件厂家，运维单位应加强对厂家关键工艺的（）和（），明确具体考核关键节点和需提供的技术资料。( )
A. 现场监督
B. 质量把控
C. 现场验收
D. 出厂合格证明等资料验收
[单选题]国民革命时期，国共合作采取的形式是（ ）。
A.党外合作
B.党内合作
C.建立新的组织形式
D.没有组织形式
[单选题]钢轨焊缝（）缺陷特征是断口呈暗灰色却平滑，手感不涩手。
A.灰斑
B.光斑
C.烧伤
D.未焊透
[单项选择]Long ,long ago people thought that the sun went around the earth ,but now we know the earth goes around the sun. Today men know how far it is for men know how far it is for the earth to go around the sun. They tell us that the earth travels over 1,000 miles a minute on its way around the sun.
The sun is really a star. It is much bigger than the earth and it is very hot. Some people have been to the moon, but we know that no one can ever get to the sun. It is too hot for people to live anywhere near it. The sun is 300, 000 times heavier than the earth and more than a million times larger.
The sun is ______ than the earth.
A. farther
B. bigger
C. lighter
[单项选择]下列合同的印花税税率为5‰的是( )。
A. 建筑工程勘察设计合同
B. 借款合同
C. 建筑安装工程承包合同
D. 技术合同
[判断题]DHCPv6 服务器支持为主机提供 DNS 服务器地址等其他配置信息。( )
A.正确
B.错误
[单选题] 塔式起重机在提升重物作水平移动时,应高出其跨越的障碍物()m以上。
A.0.2
B.0.3
C.0.4
D.0.5
[多项选择]对火灾报警系统中的（）等设备应分别进行单机通电检查。
A. 可燃气体报警控制器
B. 消防联动控制器
C. 气体灭火控制器
D. 消防电气控制装置
[单项选择]下列关于对外贸易地理分布说法正确的是（）。
A. 指一国进口货物和服务的主要来源
B. 指一国出口货物和服务的主要去向
C. 指一国对他国的外贸依赖程度
D. 指一个国家(地区)在一国对外贸易中所占有的地位
[单选题]供电企业允许客户暂拆时间最长不得超过（）。
A.6个月
B.5个月
C.3个月
D.2个月
[单项选择]减压孔板应设在直径不小于______mm的水平直管段上。
A. 25
B. 50
C. 75
D. 100
[单选题]参与公司系统所承担电气工作的外单位或外来人员应熟悉本规程，经考试合格，并经（ ）认可，方可参加工作。
A.相关单位分管领导
B.设备运维管理单位
C.安全监督管理部门
D.调度控制中心
[简答题]滚筒式清洗机在生产是使用较多的食品原料清洗设备，在使用中，影响其清洗效率的因素有哪些？它一般用于什么原料的清洗？
[填空题]
While Americans have become ever more dependent upon electricity in their daily lives, a crucial part of the system that supports their way of life has not kept up. Yes, the country has built more power plants--enough to create a glut of power in most parts of the country. (41) _____________________________.
California’s disastrous partial energy deregulation and the role played by Enron and other energy marketing companies in its power crisis have impeded changes in the national ability to deliver power.
(42) _____________________________. Moreover, the deficiency also includes inadequate coordination among the regions in managing the flow of electricity. These interregional weaknesses are so far the most plausible explanation for the blackout on Thursday.
(43) _____________________________. The problem is with the system of rules, organization, and oversight that governs the transmission networks. It was set up for a very different era and is now c
[判断题]供电企业应固定抄表日期，按期抄表收费。
A.正确
B.错误
[单选题]普速旅客列车办公席台帐哪些按年度保管。()
A.备品损坏记录
B.交接簿
C.客货票据进款交接班登记簿
D.客运记录
[单选题]接到端子排的二次线相互之间保持水平、平行，连接牢固，且线芯裸露部分不应大于多少（）
A.8mm$
B.$10mm$
C.$7mm$
D.$5mm
[单项选择]
Text 4
The growth of cell phone users in the US has tapered off from the breakneck pace of 50% annually in the late 1990s to what analysts project will be a 15% to 20% rise in 2002, and no more than that in 2003. To some extent, numerous surveys have found, slower growth in demand reflects consumer disillusionment with just about every aspect of cell-phone service--its reliability, quality, and notorious customer service.
The cooling off in demand threatens to cascade through the industry: The big six US cell-phone carriers--Verizon Wireless, Cingular Wireless, AT＆T Wireless, Sprint PCS, Voice Stream, and Nextel Communications--are engaged in a fierce price war that imperils their timetables for becoming profitable, not to mention their efforts to whittle down their mountains of debt. As the carriers have begun to cut costs wireless equipment makers--companies such as Lucent, Nokia, and Ericsson have been left with a market that’s bound to be smaller
A. design new advanced cell-phones in attractive form.
B. reduce costs and improve the efficiency of networks.
C. offer the customers better services and satisfy their needs.
D. arrange the call centers to reduce the customer's waiting time.
[判断题]判断题：各车站须将车站应急广播词张贴在车控室调度电话旁。
A.正确
B.错误
[判断题]常用直流电位差计既是测量仪器，又是信号输出仪器。
[单选题]、(单选题)贴是将菜肴的几种原料分( )粘贴在一起,制成( )生坯的方法。
A.二层;菱形状
B.三层;圆形状
C.二层;扁平形状
D.三层;扁平形
[单选题]生物学研究发现，成群的蚂蚁中，大部分蚂蚁很勤劳，寻找、搬运食物争先恐后，少数蚂蚁却东张西望不干活。当食物来源断绝或蚂蚁窝被破坏时，那些勤快的蚂蚁一筹莫展。“懒蚂蚁”则“挺身而出”，带领众伙伴向它早已侦察到的新的食物源转移。这就是所谓的懒蚂蚁效应。
根据上述定义，下列属于懒蚂蚁效应的是：
A.通信工程师待遇优厚，工作时间自由，擅长攻克技术难题
B.某汽车公司鼓励员工创新，允许员工在上班时间钻研技术
C.某经理用人不拘一格，看重的是坚韧和正直，而非学历背景
D.在金融危机中，某外贸公司凭借多元化经营手段渡过了难关
[单选题]控制心血管活动的神经元广泛分布于从脊髓到大脑皮层的各个水平，其中( )是调节心血管活动最重要的心血管中枢部位。
A.下丘脑
B.脊髓
C.延髓
D.端脑
[简答题]检测消防员灭火防护靴隔热性能时,加热时间为多少,靴底内表面的温度上升不应大于多少摄氏度?
[简答题]民航规定，旅客乘坐从中国境内始发的航班，随身携带的液态物品每件容积不能超过多少毫升？
[单选题]下列城镇道路路基施工质量验收项目中，属于主控项目的是( )。
A.平整度
B.压实度
C.路堤边坡
D.宽度
[单选题](49208)快速客车修程中，以下哪个为最低修程（ ）。(1.0分)
A.A4
B.A1
C.A2
D.A3
[单选题]差错类交易清分，收单机构和发卡机构负责采集各自的差错交易数据，并通过中国银联指定的途径和方式上送（ ）。中国银联交换系统日切后纳入清分。
A.资金清算行
B.人民银行
C.中国银联
D.资金清算代理行
[多选题]、消防指战员不得购买、传看渲染( )。
A.色情
B.暴力
C.迷信
D.低级庸俗的书刊和音像制品
[单项选择]关于开标，下列说法正确的是( )。
A. 开标人需要修改开标时间和地点，需电话通知所有招标文件的接收人，以确保所有潜在投标人能按时到场
B. 开标由招标人主持，也可以委托招标代理机构主持
C. 开标时由招标人当众检查投标文件密封情况
D. 投标人必须参加开标
[多选题]中暑可分为( ).在临床上难以严格区別.而且常常以混合式出现.統称为中暑.
A.日射病
B.热射病
C.热眩量
D.热痉挛
E.热心悸
