【单选题】
根据《公路网运行监测与服务暂行技术要求》，断面交通量和车辆速度应全天候检测，其精度应不低于____%；应每隔____分钟以内上传一次数据。___
A. 98，30
B. 95，20
C. 90，10
D. 85，5
查看试卷，进入试卷练习
微信扫一扫，开始刷题
相关试题
【单选题】
高速公路一般隧道内第一个车辆检测器距离洞口不小于___米。___
A. 20
B. 50
C. 100
D. 200
【单选题】
隧道内紧急电话分机设置间距不宜大于____。___
A. 50m
B. 200m
C. 300m
D. 100m
【单选题】
交通信号灯应显示清晰，有效显示直径不应小于______，动态视认距离不应小于______。___
A. 50mm、100m
B. 100mm、200m
C. 200m、300mm
D. 300mm、200m
【单选题】
隧道入、出口内_____处应设置车道控制标志。___
A. 2~5m
B. 3~7m
C. 7~10m
D. 10~12m
【单选题】
点型火灾检测器宜安装在隧道外侧壁，安装高度_____？___
A. 1-2m
B. 1.3-1.5m
C. 1.5-2m
D. 2-3m
【单选题】
高速公路LED可变限速标志产品的视认角不小于____，动态视认距离应不小于____m。___
A. 15 200
B. 30 200
C. 15 210
D. 30 210
【单选题】
监控分中心闭路电视系统视频存储应配置保存不少于_____天的视频存储容量 ？___
【单选题】
隧道内火灾检测器检测响应时间应小于等于_____。___
A. 30s
B. 40s
C. 50s
D. 60s
【单选题】
监控中心电视墙与控制台之间应该保持一定的距离，最短距离不能小于______。___
【单选题】
车辆检测器的检测的交通量准确度应大于或等于_____。___
A. 75%
B. 80%
C. 85%
D. 90%
【单选题】
高速公路隧道监控应主要根据其长度和交通量两个因素划分为_____个等级。___
【单选题】
隧道管理站应向上级管理部门上传至少_____路视频。___
【单选题】
联网监控系统软件的开发，软件中的注释代码量应不少于总代码量的_____。___
A. 5%
B. 10%
C. 15%
D. 20%
【单选题】
LED可变情报板在正常天气下，静态视认距离应不小于_____米。___
A. 150
B. 200
C. 250
D. 300
【单选题】
可变信息板在交通事故多发路段、地质灾害易发路段、气象条件恶劣区段、交通量特别大的区段的设置间距宜为____。 ___
A. 1-2km
B. 5-10km
C. 10-15km
D. 15-20km
【单选题】
沿线监控外场设备中车辆检测器在易拥堵、易发生重特大突发事件、恶劣气象条件频发等路段应按照小于____距离设置。___
A. 1km
B. 2km
C. 3km
D. 4km
【单选题】
根据《公路网运行监测与服务暂行技术要求》规定，3000m及以上长度隧道须设置视频监测设施，其设置距离宜在____之间？___
A. 50-100m
B. 150-200m
C. 120-150m
D. 100-150m
【单选题】
长度介于____之间且隧道监控等级为A以上的长隧道，可在隧道洞口变电所或者沿线其它管理部门内设置无人值守隧道管理站。___
A. 3-6km
B. 6-9km
C. 9-12km
D. 12-15km
【单选题】
根据《高速公路监控技术要求》规定，可变信息标志动态可视距离应不低于_______？
A. 150m
B. 180m
C. 210m
D. 250m
【单选题】
视频监控设备应采用立柱安装，高度应在____范围内，并采取防抖动措施。___
A. 6-8m
B. 8-12m
C. 10-12m
D. 8-10m
【单选题】
高速公路路段拥挤等级划分标准中橙色表示____。___
A. 基本畅通
B. 轻度拥堵
C. 中度拥堵
D. 严重拥堵
【单选题】
公路出行信息的发布时效要求，主要是指从信息获取到正式发布的基本时效要求，其中交通运行状态信息的时效要求应为____。___
A. 不定期
B. 小于1h
C. 小于2h
D. 小于3h
【单选题】
车辆检测器本地存储时间不低于。___
A. 72h
B. 48h
C. 24h
D. 12h
【单选题】
省级监控中心视频控制平台应能存储下级上传的视频图像，保存至少 ______，事件图像保存至少______。___
A. 30天，1年
B. 15天，半年
C. 30天，半年
D. 15天，1年
【单选题】
高速公路恶劣气象条件频发路段需满足因低能见度被封次数一年达到( )次或者能见度小于200米的雾天数达到_____天。___
A. 6，8
B. 5，7
C. 5，8
D. 6，7
【单选题】
车辆检测器应设置在距隧道口______处？___
A. 10-30m
B. 30-50m
C. 50-70m
D. 70-90m
【单选题】
设计时速100km/h高速公路的通道拥挤度在50km/h左右，则通道拥挤度等级为______。___
A. 基本畅通
B. 轻度拥堵
C. 畅通
D. 中度拥堵
【单选题】
路段气象环境能见度在路面干燥的情况下能见度为400m，则路面气象环境特征指数等级为_____。___
A. 好
B. 中
C. 差
D. 条件不足，无法判断
【单选题】
因突发事件可能导致干线公路交通毁坏，预计处置时间在12小时以上，则公路突发事件属于______。___
A. 特别严重
B. 严重
C. 较重
D. 一般
【单选题】
在隧道的进口、中间段、出口处分别布设_____车辆检测器。___
【单选题】
交通信号灯应设置在隧道入口联络通道前_____处。___
A. 10-15m
B. 15-20m
C. 20-50m
D. 30-40m
【单选题】
在隧道入口前设置车辆检测器时，宜设置在联络通道前_____处。___
A. 100-200m
B. 200-300m
C. 300-400m
D. 400-500m
【单选题】
在隧道出口后设置车辆检测器时，宜设置在出口后_____处。___
A. 50-100m
B. 100-200m
C. 200-300m
D. 300-400m
【单选题】
公路出行服务信息网站查询反馈时间应满足简单查询小于______ ，复杂查询小于______ 。___
A. 30秒，60秒
B. 30秒，2分钟
C. 15秒、60秒
D. 30秒，2分钟
【单选题】
在公共场所，手提式灭火器的最大保护距离是___
A. 20米
B. 25米
C. 30米
D. 35米
【单选题】
消防水泵接合器应设置在建筑物外，便于消防车连接的位置，设置数量是根据系统的用水量确定的，但一般不少于___个。
【单选题】
火灾中，没有防火保护的受力钢构件极易受高温变形，当温度升至300℃时，钢材的强度即开始逐渐下降，通常在___后，结构就会倒塌。
A. 15～30分钟
B. 30～60分钟
C. 1小时
D. 2小时
【单选题】
在使用复杂度不高的口令时，容易产生弱口令的安全脆弱性，被攻击者利用，从而破解用户帐户，下列 具有最好的口令复杂度。___
A. Morrison
B. Wm、＄*F2m5@
C. 27776394
D. wangjing1977
【单选题】
保证用户和进程完成自己的工作而又没有从事其他操作可能，这样能够使失误出错或蓄意袭击造成的危害降低，这通常被称为 。___
A. 适度安全原则
B. 授权最小化原则
C. 安全原则
D. 木桶原则
【单选题】
安全责任分配的基本原则是 。___
A. “三分靠技术，七分靠管理”
B. “七分靠技术，三分靠管理”
C. “谁主管，谁负责”
D. 防火墙技术
推荐试题
【单选题】
Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
【单选题】
—May I listen to the music here, Mr. White?
—Sorry, you’d better it like that．
A. not to do B. not do to
C. dont do D. not do
【单选题】
3.—Did you have a good time at Lauras birthday party?
— Yes, indeed. Its several years ________ I enjoyed myself so much.
A. when B. before C. since D. that
【单选题】
4. —___________ is the Summer Palace from here?
About three kilometers away. You can take the No. 35 bus.
A. How long B. How far C. How often D. How much
【单选题】
5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable.
A. anything B. something C. nothing D. everything
【单选题】
6. A friend of my ____ and I are going to visit_______ next week．
A. father; Browns B. father's; Browns
C. father; the Browns D. father's; the Browns
【单选题】
7. She ______ very hard since she came to our school.
A. studies B. has studied C. is studying D. studied
【单选题】
8. — Who will send you to the new school, your mom or your dad?
— _______. Ill go there by myself.
A. Both B. Either C. Neither D. None
【单选题】
9.—Well do what we can ____English well this term．
—It’s high time for you to work hard．
A. study B．to study C. be studied D. be studying
【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______?
— Sorry, I don’t know. I’m new here.
A. where it is B. where was it C. where is it D. where it was
【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
A. nice B. better C. terrible D. worse
【单选题】
12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
【单选题】
14. We will have a _________ holiday after the exam．
A. two-month B. two month’s C. two month D. two-months
【单选题】
15. —We will build an underground in Xuzhou before 2015．
— Wow, _______! Will it pass our place?
A. what an excited news B. how excited the news is
C. what exciting news D. how exciting
【单选题】
16. — Emily, here’s a dictionary．I hope it will help you in some way．
— Thank you．It’s ________ what I need．
A. almost B. still C. only D. just
【单选题】
17. —Oh．I’m hungry．Mum, can I have the hamburger on the plate?
—No．It tastes ．
A. terribly B. terrible C. good D. well
【单选题】
18. —We can invite our teachers to the farewell party next Saturday.
—Yes, ______? I’ll call them at once.
A. what for B. what C. why not D. why
【单选题】
19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years．
A. hardly; alone B. hard; alone
C. hardly; lonely D. hardly; lonely
【单选题】
20.—I’m going back to see my grandparents this weekend．
—________．
A. It’s very nice of you B. You’d better hurry
C. Say goodbye to them D. Give my best wishes to them
【单选题】
21.—Why not take ____ umbrella with the sign “Made in China”? It is useful.
—What _______ good advice it is!
A. an; a B. a; a C. an; \ D. \; a
【单选题】
22. —Do you know the boy________ is sitting next to Peter?
— Yes. He is Peter’s friend. They are celebrating his ________ birthday.
A. who; ninth B. that; ninth C. /; ninth D. which; ninth
【单选题】
23. It was dark, ______ I couldnt see what was happening.
A. or B. though C. but D. so
【单选题】
24.—You can use MSN to talk with Vivien on the Internet.
—I know. But can you tell me ________?
A. what I can use it B. when I can use it
C. why can I use it D. how can I use it
【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ?
To learn about different styles of school uniform.
A. What B. Where C. Which D. Why
【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
A．England． B．France． C．America． D．China．
【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
A．He cares more about a flower and a sheep．
B．He meets many more strange adults on other planets．
C．He realizes his love for the rose and he goes back to his planet．
D．He discovers interesting things such as a snake, other roses and a fox
【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
A．the adult world B．the planet B -612
C．a rose and a fox D．the adventure of a young prince
【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
A．To tell the readers his life story．
B．To tell people what kind of person his father was．
C．To tell the readers what present he got from his father．
D． To let people know how poor he was．
【单选题】
( ) 30. Why did the father not ask his son not to do this and do that？
A．Because he felt quite confident of his son．
B．Because he was born from a poor family．
C．Because he was a man of few words．
D．Because he didn't want to be much too strict with his son．
【单选题】
( ) 31. What would someone learn from this passage？
A．How to live by oneself． B．How to stand on one's own feet．
C．What a good father should do． D．What the self-important is like．
【单选题】
( ) 32. What may be the proper Chinese for the underlined part in the passage？
A．闲暇时光 B．学费 C．精神空虚 D．经济不足
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
【单选题】
( ) 38. From a dam, people can use the water for ___________.
A. keeping the rivers clean B. only making electricity
C. irrigation and making electricity D. washing clothes
【单选题】
( ) 39. The water in the river is polluted because of _____________.
A. people's drinking water too much B. people's swimming in the river too much
C. chemicals and other materials D. people's building a dam across a river
【单选题】
( ) 40. The best title of the passage is ___________.
A. Rivers in Cities B. The importance of Rivers
C. Transportation D. Natural Resources
