【单选题】
根据《高速公路监控技术要求》规定，超高检测器应设置在隧道入口前__250_以外的位置，以便被监测出的车辆有充足的时间处理和返回，同时超高检测器应与隧道口的____、____、____、____等配套使用。___
A. 150m 信息板、固定标志、补光灯、有线广播
B. 250m 信息板、固定标志、报警灯、有线广播
C. 150m 视频设备、固定标志、补光灯、有线广播
D. 250m 视频设备、固定标志、报警灯、有线广播
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相关试题
【单选题】
隧道内车辆检测器宜采用____或____。___
A. 感应线圈检测器、微波检测器
B. 视频车辆检测器、红外检测器
C. 感应线圈检测器、视频车辆检测器
D. 微波检测器、红外检测器
【单选题】
基于网络低层协议、利用协议或操作系统实现的漏洞来达到攻击目的，这种攻击方式称为_____。___
A. 服务攻击
B. 拒绝服务攻击
C. 被动攻击
D. 非服务攻击
【单选题】
部、省级路网平台组网方式以_____为原则。___
A. 公共结合
B. 公专结合
C. 自由结合
D. 上下结合
【单选题】
路况信息服务不包括_____信息的发布与查询。___
A. 养护施工
B. 车辆违章
C. 高速公路封闭信息
D. 突发状况
【单选题】
网络安全法中网络运行安全规定，国家实行____制度 。___
A. 网络安全行政级别
B. 网络安全等级保护
C. 网络安全分层
D. 网络安全结构
【单选题】
下列哪个不是常见的网络攻击和网络防御技术？___
A. 网络监听，加密技术
B. 网络扫描，防火墙技术
C. 网络后门，操作系统的安全配置
D. 协同检查点恢复，入侵检测
【单选题】
事件等级划分不包含____。___
A. 一般事件
B. 较大事件
C. 重大事件
D. 严重事件
【单选题】
计重设备不包含有____等部分。___
A. 显示器
B. 车辆分离器
C. 轮胎识别器
D. 数据采集处理器
【单选题】
信息采集设备不包括____。___
A. 车辆检测器
B. 能见度检测器
C. 气象检测器
D. 超高检测器
【单选题】
网络安全，是指通过采取必要措施，防范对网络的攻击、侵入、干扰、破坏和非法使用以及意外事故，使网络处于稳定可靠运行的状态，以及保障网络数据安全的能力，其中不包含数据_____。___
A. 完整性
B. 保密性
C. 可用性
D. 安全性
【单选题】
公路应急物资储备情况不包括_____。___
A. 物资类别
B. 物资名称
C. 物资存储要求
D. 经纬度
【单选题】
下面属于交通运行一级参数的是_____。___
A. 车辆出入收费站时间
B. 车辆出入收费站行驶里程
C. 突发事件信息
D. 断面交通量
【单选题】
高速公路路网监控中道路视频管理要求对所有视频图像不能实现_____。___
【单选题】
隧道内监控设备布置应考虑的问题不包括____？___
A. 弯度
B. 坡度
C. 设备供电
D. 设备遮挡
【单选题】
高速公路沿线主要外场设备不包括______? ___
A. 信息发布设备
B. 视频监控设备
C. 称重检测设备
D. 信息采集设备
【单选题】
包过滤防火墙对通过防火墙的数据包进行检查，检查内容一般不包括______。___
A. 源地址
B. 目的地址
C. 协议
D. 有效载荷
【单选题】
视频事件监测器宜设置在洞口、横通道、_____等区域。___
A. 紧急停车带
B. 隧道内
C. 隧道外
D. 人行横道
【单选题】
隧道监控系统大致可分为：照明、通风、闭路电视、火灾报警、紧急电话、______ 、______、交通控制和可变情报板等九个子系统。___
A. 计算机控制 、高速救援
B. 计算机控制、环境监测
C. 环境监测、高速救援
D. 高速救援、视频监控
【单选题】
根据《公路网运行监测与服务暂行技术要求》规定，公路网综合运行指数划分，其中局部路网通行阻断，出行效率普遍较高，此时应显示为______ 。 ___
【单选题】
我省高速公路视频图像要求可控是指______。___
A. 上下可控
B. 左右可控
C. 远近可控
D. 以上都包括
【单选题】
火灾扑救在哪个阶段最有利？___
A. 火灾的初期、发展阶段
B. 猛烈阶段
C. 下降阶段
D. 熄灭阶段
【单选题】
发生火灾时，首先要保持冷静，并用______捂住口鼻，采取匍匐前进或低头弯腰的方法迅速朝安全出口的方向逃离火灾现场。___
【单选题】
用灭火器灭火时，灭火器的喷射口应该对准火焰的_____。___
【单选题】
水能扑救下列哪种火灾？___
A. 石油、汽油
B. 熔化的铁水、钢水
C. 高压电器设备
D. 木材、纸张
【单选题】
防火巡查人员发现初期火灾应当_____并及时扑救。 ___
A. 报告单位消防安全责任人
B. 报告消防安全管理人
C. 立即报警
D. 报告消防归口管理职能部门
【单选题】
灭火的基本方法是_____。___
A. 冷却、窒息、抑制
B. 冷却、隔离、抑制
C. 冷却、窒息、隔离
D. 冷却、窒息、隔离、抑制
【单选题】
情况紧急、不立即查封可能严重威胁公共安全的，消防监督检查人员可以在报请_____同意后立即实施临时查封。 ___
A. 所属公安机关负责人
B. 所属公安机关消防机构负责人
C. 设区的市级公安机关消防机构负责人
D. 上级公安消防机构负责人
【单选题】
火灾过程中，_____是造成烟气向上蔓延的主要因素。___
A. 烟囱效应
B. 火风压
C. 孔洞蔓延
D. 水平蔓延
【单选题】
单位的_____是本单位的消防安全负责人。 ___
A. 消防中控室人员
B. 主要负责人
C. 安保经理
D. 法定代表人
【单选题】
根据单位生产、生活及日常管理活动中用火的实际情况，下列那些属于动火作业_____。___
A. 烧锅炉
B. 抽烟
C. 使用灶具
D. 电焊
【单选题】
什么状态的物质有爆炸极限？___
A. 可燃气体
B. 可燃固体
C. 可燃液体
D. 气体
【单选题】
A、B、C类火灾和带电火灾应选用的干粉灭火器是哪种？___
A. 磷酸铵盐类干粉灭火器
B. 碳酸铵盐类干粉灭火器
C. 磷酸铵盐和碳酸铵盐混合类干粉灭火器
D. 酸酸盐类干粉灭火器
【单选题】
扑救水溶性液体火灾必须选用_____。___
A. 普通蛋白泡沫液
B. 氟蛋白泡沫液
C. 水成膜泡沫液
D. 抗溶性泡沫液
【单选题】
公安机关消防机构统一组织和指挥火灾现场扑救，应当优先保障_____安全。___
A. 现场贵重财物
B. 重要仪器设备
C. 遇险人员的生命
D. 毗邻建筑
【单选题】
由于行为人的过失引起火灾，造成严重后果的行为，构成____。___
A. 纵火罪
B. 失火罪
C. 玩忽职守罪
D. 重大责任事故罪
【单选题】
全国高速公路ETC联网收费之后，货车车型分类由六类调整为五类，三型货车是指车货总质量在 范围内的货车。___
A. 2-5 吨（含5吨）
B. 5-10 吨（含10吨）
C. 10-15吨（含15吨）
D. 2吨以下（含2吨）
【单选题】
联网收费系统应急事件按照处置层级划分为 个等级。___
【单选题】
根据河南省高速公路收费系统应急预案，运营管理单位确定一级应急事件后， 分钟内须向联网公司应急事件处置领导小组办公室上报。___
【单选题】
人们对信息安全的认识从信息技术安全发展到信息安全保障，主要是出于：______。___
A. 为了更好的完成组织机构的使命
B. 针对信息系统的攻击方式发生重大变化
C. 风险控制技术得到革命性的发展
D. 除了保密性，信息的完整性和可用性也引起了人们的关注
【单选题】
关于信息安全等级保护对信息系统等级第三级的定义，下面说法正确的是 。___
A. 信息系统受到破坏后，会对公民、法人和其他组织的合法权益造成损害，但不损害国家安全、社会秩序和公共利益。
B. 信息系统受到破坏后，会对公民、法人和其他组织的合法权益产生严重损害，或者对社会秩序和公共利益造成损害，但不损害国家安全。
C. 信息系统受到破坏后，会对社会秩序和公共利益造成严重损害，或者对国家安全造成损害。
D. 信息系统受到破坏后，会对社会秩序和公共利益造成特别严重损害，或者对国家安全造成严重损害。
推荐试题
【单选题】
When the driver heard that there was a bomb on the bus, he immediately ___ to the side of the highway and radioed the police.
A. put out
B. took off
C. pulled over
D. slipped off
【单选题】
She was very ___ to become a manager in our customers’ office, but finally accepted our offer.
A. eager
B. intelligent
C. ridiculous
D. reluctant
【单选题】
In the race, it looked as if he would be the first, but then another young man who was close behind him put on speed and ___ by a few seconds.
A. beat him for it
B. beat him to it
C. beat him up
D. beat it to him
【单选题】
It is really helpful to have someone like you that we can ___ and count on during difficult times.
A. lean on
B. get to
C. hang on
D. get by
【单选题】
Women have a greater ability to ___ names with faces than men do, and they are also better at recalling lists.
A. associate
B. compare
C. engage
D. involve
【单选题】
He was always ready to help others and managed to ___ his friends ____being hurt.
A. expose … to
B. confine …to
C. restrict … from
D. shield … from
【单选题】
Older people are less likely to be ___ their negative emotions (情绪) and more likely to focus on the positive.
A. reserved for
B. caught up in
C. beat up to
D. counted on
【单选题】
I don’t have any bandage, so I have to ___ pressure to the wound to keep the bleeding down.
A. apply
B. involve
C. fulfill
D. establish
【单选题】
It is important that whichever candidate (候选人) is picked the loser should accept the defeat ___.
A. in advance
B. with great pride
C. with good grace
D. in large part
【单选题】
___ that new homes cost more than older homes, but that is not true across the country anymore.
A. It used to be
B. It is used to be
C. It used to being
D. It is used to being
【单选题】
The boss ___ his employees to work longer hours as the company is dreadfully short of staff at present.
A. called on
B. signed up
C. cared for
D. set up
【单选题】
The president’s visit and ___ discussions led to a plan that aimed to improve the trade relations between the two countries.
A. emerging
B. subsequent
C. consequent
D. Submerging
【单选题】
The author ___ his general idea mainly through statistics and results obtained from a survey (调查) about auto customer services in the United States.
A. assumes
B. engages
C. illustrates
D. represents
【单选题】
People in this town starved, several buildings were bombed and crime ___ because you had to steal to eat.
A. eroded
B. reflected
C. released
D. soared
【单选题】
Olympic recognition for bodybuilding (健美) remains ___ since some argue that bodybuilding is not a sport because the actual contest does not involve the same sort of efforts as “real” sports.
A. controversial
B. conventional
C. characteristic
D. influential
【单选题】
Tom tried to justify his absence from the meeting by ___ that he had been ill that day.
A. admitting
B. advocating
C. claiming
D. citing
【单选题】
___ the huge financial benefits, biological companies have been rushing to set up laboratories and new research projects.
A. Aware
B. Aware of
C. Not aware
D. Not aware of
【单选题】
Unfortunately, ___ lack of funds, the studies he began just two months ago, had to be ended early.
A. out of
B. in addition to
C. owing to
D. to begin with
【单选题】
With a good command of English, he soon got ___ to working with British people.
A. accustomed
B. consistent
C. relevant
D. responsible
【单选题】
What needs to be ___ here is that language and culture interact, and that understanding of one requires understanding of the other.
A. altered
B. stressed
C. aroused
D. committed
【单选题】
Policies and organizations must be created to meet workers’ hopes, and to ___ new problems that inevitably arise between workers and managers.
A. compromise
B. ensure
C. undermine
D. resolve
【单选题】
To keep the wheels of industry turning, we produce consumer goods in endless quantities, and, in the process, are rapidly ___ our natural resources.
A. ignoring
B. collapsing
C. enduring
D. exhausting
【单选题】
As a person who loves peace, he is committed ___ realizing peace between countries.
A. of
B. about
C. for
D. to
【单选题】
Learning how to use chopsticks is easy for me, ___ learning how to conduct myself at the table is quite difficult.
A. whereas
B. however
C. therefore
D. besides
【单选题】
___ that the patient smokes 50 cigarettes a day, it would be reasonable to assume there is some lung damage.
A. To give
B. Giving
C. Given
D. Having given
【单选题】
Kenyan (肯尼亚的) women tend to vote for those who could provide them ___ the necessary food to live on.
A. of
B. with
C. for
D. about
【单选题】
___ all obstacles and failures, the scientist continued doing his experiments day and night.
A. In spite of
B. In contrast to
C. As a matter of
D. As a result of
【单选题】
I’m willing to ___ that a larger car would have cost more, but I still think we should have bought one.
A. withdraw
B. indicate
C. abandon
D. concede
【单选题】
Manufacturing (制造) companies spend millions of pounds on advertisements, trying to ___ customers that their products are better than those of other companies.
A. confine
B. convince
C. depress
D. reconcile
【单选题】
He is not the right person for the project: he is not very technically minded and ___, he does not have the sense of responsibility.
A. instead
B. yet
C. furthermore
D. nevertheless
【单选题】
Death rates declined in many places, partly because of the ___ in hunger.
A. decrease
B. myth
C. obstacle
D. burden
【单选题】
In deciding whether or not a situation is safe, pilots must be taught to assume that the worst will happen, and then to ___ whether there is a risk or not.
A. absorb
B. apply
C. assess
D. occupy
【单选题】
The worker was not worried as he knew that if he gave up the job, there would be ___ opportunities for him to work somewhere else.
A. formative
B. marginal
C. vigorous
D. numerous
【单选题】
The research shows the region might ___ overheating (经济过热), but the policymakers so far appear to be relatively relaxed about the future of the economy.
A. catch a glimpse of
B. be at risk of
C. take a toll on
D. be free from
【单选题】
Measures have been taken to ensure that no student will have to ___ of college for economic reasons.
A. lay out
B. cancel out
C. drop out
D. stand out
【单选题】
Stress that is not treated can lead to significant medical illnesses, which ___ can lead to greater stress and even depression (抑郁症).
A. after all
B. in turn
C. on the contrary
D. at least
【单选题】
Narcissism (自恋) has its benefits in terms of self-belief and confidence, but it also tends to be ___ risky decision-making.
A. associated with
B. contrasted with
C. reserved for
D. relieved of
【单选题】
When Tom saw his doctor again, she suggested that maybe a more substantial lunch, like a sandwich, might ___ his desire to have snacks in the afternoon.
A. count on
B. cut back on
C. hold on to
D. contribute to
【单选题】
You shouldn’t ___ – let your children make their own decisions.
A. interact
B. abuse
C. startle
D. interfere
【单选题】
This is a huge and difficult project and if you take it up, you ___ many difficulties.
A. like to encounter
B. like encountering
C. are likely to encounter
D. are like to encounter
