【单选题】
其他障碍物是指声屏障、防火门、人防门、防淹门等构筑物及射流风机、 、管线等吊挂构件或其他设备脱落侵入限界。___
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相关试题
【单选题】
挤岔是指在正线、配线、车场线等线路，由于道岔位置不正确、尖轨未能与基本轨密贴，导致列车通过道岔时将尖轨与基本轨挤开或挤坏过程，造成尖轨弯曲变形、 损坏。___
【单选题】
运营开始前， 等应确认施工核销、线路出清、设备状态、行车计划准备等情况并报行车调度人员。___
A. 相关人员
B. 相关部门
C. 相关岗位人员
D. 相关部门人员
【单选题】
调度人员确认具备条件后，原则上应安排空驶列车限速轧道。确认线路安全后，方可开始运营。___
A. 行车
B. 电力
C. 环控
D. 值班主任
【单选题】
运菅单位应合理安排驾驶员工作时间，单次值乘的驾驶时长不应超过 ，连续值乘间隔不应小于15分钟。___
A. 2小时
B. 3小时
C. 1小时
D. 1.5小时
【单选题】
运营单位应配备酒精检测等设备，有条件的可配备毒品检测设备，在出勤时通过 、问询等方式对驾驶员状态进行检查。___
【单选题】
列车进站时，驾驶员应确认列车在车站 位置停稳后方可开启车门及站台门。___
【单选题】
当切除列车自动防护（ATP）或采用点式ATP运行等特殊情况时，车站 应根据调度命令，严密监控列车运行和站台情况，遇紧急情况应及时采取措施。___
A. 值班站长
B. 行车人员
C. 站务人员
D. 值班员
【单选题】
共线段接口站 时，车站行车人员应确认发车进路与列车计划目的地的一致性。___
A. 发车
B. 办理发车
C. 接车
D. 办理接车
【单选题】
度人员应在确保安全的前提下取消原进路后重新办理正确进路。___
【单选题】
配属于不同线路的载客列车，经线间联络线运行 至另一条线路继续运营的运行方式为 。___
A. 跨线
B. 跨联络线运行
C. 跨联络线
D. 跨线运行
【单选题】
行车调度人员应根据 组织列车退出服务,运营结束后应做好当日行车记录和相关统计分析工作。___
A. 运营时刻表
B. 时刻表
C. 列车运行图
D. 运行图
【单选题】
车辆基地应确保 状态良好,优先保障接发列车作业。___
A. 段备车
B. 运用车
C. 库停车
D. 电客车
【单选题】
车辆基地内调车作业由车辆基地调度人员统一指挥，调车司机凭地面信号或手信号显示开行列车，调车时严禁溜放调车，摘钩前应做好防溜措施，连挂妥当后应确认防溜措施已撤除。___
A. 防溜措施
B. 防溜
C. 安全措施
D. 安全工作
【单选题】
试车线同一时间原则上只允许一列车进行试车作业，作业开 始前应对试车线进行限速轧道。试车作业应按地面信号或车载信 号显示运行。距离尽头线阻挡信号机20米时运行速度不应高于 km/h。___
【单选题】
试车线同一时间原则上只允许一列车进行试车作业，作业开 始前应对试车线进行限速轧道。试车作业应按地面信号或车载信 号显示运行。距离尽头线阻挡信号机 米时必须停车。___
【单选题】
试车线遇雨雪、大雾等恶劣天气时，原则上 试车作业。___
A. 限速5km/h
B. 限速10km/h
C. 限速15km/h
D. 禁止办理
【单选题】
发生突发情况，行车调度人员应及时发布调度命令,在保证行车安全的前提下尽可能维持列车运行。驾驶员、车站行车人员等发现可能危及行车安全或运营秩序的情况时，应及时向 人员报告。___
A. 值班站长
B. 司机队长
C. 行车调度
D. 工班长
【单选题】
需进入行车区域、动用行车设备及进行影响行车施工的，由 人员向各单位发布抢修命令。___
A. 值班站长
B. 工班长
C. 通号调度
D. 行车调度
【单选题】
因设施设备故障、重大施工等原因，部分区段需限 速运行的，应由有关方面论证后提出限速运行方案，方案应明确限 速区域、限速值、限速时段及起止时间，报行车调度人员，由其发布 限速及取消限速命令。同一区域存在多个限速要求时，应取最小 限速值。限速运行方案应在取消限速后至少保存 个月。___
【单选题】
列车需越过防护信号机显示的禁止信号时，行 车调度人员应确认该信号机后方线路空闲、道岔位置正确且锁闭 后，方可发布越过禁止信号的命令，首列车运行速度不应高于 km/h。___
【单选题】
列车ATP失效时，驾驶员应及时报告行车调度人员。行车调度人员原则上应组织列车在就近车站清客后退出服务，确需继续载客运行至终点站的， 应与前方列车至少间隔 区间并限速运行。___
A. 一个
B. 二个
C. 三个
D. 两站两区间
【单选题】
列车停站越过停车标未超过可退行距离需退行 时，驾驶员应退行列车，推进退行速度不应超过 km/h。___
【单选题】
列车因故需在区间退行或列车越过停车标超过可退行距离确需退行时，驾驶员应及时报告行车调度人员。行车 调度人员应扣停后续列车，在确认列车退行路径空闲且满足安全 防护距离、道岔位置正确且锁闭后，方可发布退行命令，必要时应 组织车站行车人员做好引导。推进退行速度不应超过 km/h, 牵引退行速度不应超过35km/h。___
【单选题】
列车因故需在区间退行或列车越过停车标超过可退行距离确需退行时，驾驶员应及时报告行车调度人员。行车 调度人员应扣停后续列车，在确认列车退行路径空闲且满足安全 防护距离、道岔位置正确且锁闭后，方可发布退行命令，必要时应 组织车站行车人员做好引导。有轨电车不得推进退行，牵引退行速度不应超过 km/ho___
【单选题】
正线列车因故障无法动车时，行车调度人员应 及时组织其他列车实施连挂救援，救援列车接近故障列车时应停车，与故障 列车联系确认后进行连挂，连挂时运行速度不应超过km/h。___
【单选题】
正线列车因故障无法动车时，行车调度人员应 及时组织其他列车实施连挂救援，连 挂后两列车均为空驶的，推进运行速度不应超过 km/h。___
【单选题】
正线列车因故障无法动车时，行车调度人员应 及时组织其他列车实施连挂救援，连 挂后两列车均为空驶的，牵引运 行速度不应超过 km/h。___
【单选题】
正线列车因故障无法动车时，行车调度人员应 及时组织其他列车实施连挂救援，连挂后任一列车载客的，运行速度不应超过 km/h。___
【单选题】
正线列车因故障无法动车时，行车调度人员应 及时组织其他列车实施连挂救援，特殊情况下使用工程车救援空驶列车时，连挂后运行速度不应超过 km/h。___
【单选题】
有轨电车不得载客救援（遇特殊天气或者故障列车停在隧 道、桥梁的除外），空驶列车救援连挂后运行速度不应超过 km/h。___
【单选题】
线路出现道岔故障且通过终端操作、现场检查 确认等手段仍无法消除的，确认具备行车条件后方可组织行车。通过故障区域的首列车运行 速度不应高于 km/h。___
【单选题】
一个联锁区联锁失效时，在保证行车安全的前提下，行车调度人员可对故障影响区域使用 组织行车。___
A. 电话闭塞法
B. 电话联系法
C. 站间电话联系法
D. 区段进路行车法
【单选题】
接触网（轨）失电时，驾驶员应尽量维持列车进站，并及时报告行车调度人员，列车迫停地下区间超过 分钟时，环控调度人员应启动相应环控模式。___
【单选题】
地下和高架线路因设施设备故障等原因导致列车迫停区间需组织区间疏散时，线路恢复后，疏散区间上下行首列车运行速度不应超过 km/h,确认无人员及物品遗留后恢复正常运行。___
【单选题】
地下和高架线路因设施设备故障等原因导致列车 迫停区间需组织区间疏散时，行车调度人员应扣停可能驶入受影响区域的列车，对向线路区间确需行车的，列车运行速度不应超过 km/h,并加强瞭望。___
【单选题】
地震烈度为5（含）至6（不含）度的，驾驶员应加强瞭望、 监控，行车调度人员组织全线全面检查行车相关设施设备运行及受影响情况，必要时采取 。___
A. 限速10km/h
B. 限速15km/h
C. 限速25km/h
D. 紧急措施
【单选题】
地震烈度为6（含）至7（不含）度的，列车运行速度不应超过 km/ho必要时，行车调度人员应扣停开往受影响区段的列 车，组织已进入区间的列车退回发车站。___
【单选题】
地震烈度为7（含）度以上或行车关键设施设备损坏的， 行车调度人员应组织在站列车清客后退出服务，组织区间列车 在确保安全的条件下，运行至就近站清客后退出服务，列车运行 速度不应超过 km/ho如列车迫停区间，应组织乘客区间疏散。___
【单选题】
对于地面及高架线路，风力波及区段风力达7级时列车 运行速度不应超过 km/h___
【单选题】
对于地面及高架线路，风力波及区段风力达8级时列车 运行速度不应超过 km/h。___
推荐试题
【单选题】
Q3: How many Black Friday shoppers were reported to go to the shops at midnight this year?___
A. 24 percent .
B. 37 percent .
C. 9.5 percent .
D. 23.5 percent .
【单选题】
Q4: What can we learn about the 15-year-old Jenny?___
A. She and her cousins went back home at midnight .
B. She liked the traditional 4 a.m. Black Friday.
C. She preferred midnight shopping to early morning shopping .
D. She and her cousins got up very early to buy discounted items .
【单选题】
Q1: Why did the woman decide to do a triathlon?___
A. Because she did it in college .
B. Because she wanted to be tough .
C. Because her sister did it and liked it .
D. Because her sister said it was good for her .
【单选题】
Q2: When did the man first do a triathlon?___
A. Last year .
B. In college .
C. Last week .
D. In high school .
【单选题】
Q3: How does the man feel about running?___
A. Boring.
B. Scaring .
C. Exciting .
D. Interesting .
【单选题】
Q4: Why doesn’t the woman like swimming in the triathlon?___
A. Because she fears that a big fish might eat her .
B. Because she fears that she would get lost in lakes .
C. Because she doesn't want to scare away small fishes .
D. Because she doesn't like swimming with many people .
【单选题】
Q1: What is the ratio of positive to negative emotions that can make a person happier?___
A. 1:3.
B. 3 :1.
C. 1 :10 .
D. 10 :1.
【单选题】
Q2: What is the most exciting finding about increasing positive emotions?___
A. It improves relationships .
B. It leads to greater success .
C. It helps develop creativity .
D. It contributes to good health .
【单选题】
Q3: What does the speaker say about negative feelings?___
A. People should turn every negative feeling around .
B. Negative feelings can sometimes have positive effects .
C. Negative feelings often cause people to make mistakes .
D. People should never show negative feelings in public places .
【单选题】
Q4: What is the main idea of the passage?___
A. People should learn to manage their emotions .
B. People should be patient with their negative feelings .
C. People should learn to analyze causes of unhappiness .
D. People should identify as many positive feelings as possible .
【单选题】
Q1: What are the man and woman talking about?___
A. Whether nature is magical and kind .
B. Whether nature is powerful and full of risks .
C. Whether Christopher was well prepared for the trip .
D. Whether Christopher's trip to Alaska was worthwhile .
【单选题】
Q2: What can we learn about Christopher?___
A. He made a film about his trip to Alaska .
B. He wrote a story about his trip to Alaska .
C. He died while having an adventure in Alaska .
D. He learned how powerful and risky Alaska was .
【单选题】
Q3: What does the woman think about Christopher taking the trip to Alaska?___
A. He was too foolish .
B. He was really romantic .
C. He had a very kind heart .
D. He had a spirit for trying things .
【单选题】
Q4: Which of the following is NOT mentioned as something that would have saved Christopher’s life?___
A. A gun to hunt .
B. The map of the area .
C. Emergency food supplies .
D.
E. mergency communication equipment .
【单选题】
Q1: What speed can an avalanche reach within five seconds of taking off?___
A. At 8 miles an hour .
B. At 18 miles an hour .
C. At 80 miles an hour .
D. At 88 miles an hour .
【单选题】
Q2: According to the passage, under what circumstances may an avalanche occur?___
A. There are too many layers of snow on the .
B. There is a layer of snow covering an entire area .
C. The top layer of snow slides off the layer below it .
D. The layer of snow below the surface becomes unstable .
【单选题】
Q3: What are skiers advised to do to avoid being caught in an avalanche?___
A. Ski only in the official ski areas .
B. Look for solid snow to walk on .
C. Look out for each other while skiing .
D. Learn to control themselves in an avalanche .
【单选题】
Q4: Why does the ski patrol use explosives?___
A. To dig holes in the snow .
B. To close the area for skiing .
C. To make an avalanche move on purpose .
D. To' check how different layers are holding up .
【单选题】
Q1:What is conversation mainly about?___
A. The woman's happy college life the man's doubt .
B. The woman's spending habits and the man's concerns .
C. The man's reminding the woman of the exam this Thursday .
D. The man's support for the woman over the past 15 years .
【单选题】
Q2:What did the woman do last night?___
A. She bought a new leather coat .
B. She studied very hard for an exam .
C. She treated all her friends to dinner .
D. She went to a concert with her friends .
【单选题】
Q3:Where did the woman get the money?___
A. She just received her student loan .
B. She saved some money for herself .
C. She borrowed the money from her friends .
D. She asked her mom to send her the money .
【单选题】
Q4:What is the man?___
A. A teacher of biology .
B. An undergraduate student .
C. A freshman in biology class .
D. A graduate teaching assistant .
【单选题】
Q1: What is this passage mainly about?___
A. How businesses can compete with each other .
B. How small businesses operate during holidays .
C. How small businesses manage holiday workers .
D. How can earn more money during holidays .
【单选题】
Q2: According to Rubin, what can small companies do to thank holiday workers?___
A. Have talks with their families .
B. Give them good extra benefits .
C. Offer them expensive holiday tokens .
D. Show appreciation to them face to face .
【单选题】
Q3: What can small business owners do to help holiday workers get into the holiday spirit?___
A. Entertain them with big meals .
B. Let them enjoy some holiday games .
C. Give them handmade thank-you cards .
D. Send their families some holiday gift cards .
【单选题】
Q4: Who are supposed to benefit most from this passage?___
A. Workers who have to work during holidays .
B. Employees who intend to earn extra money .
C. Big companies that usually close on holidays .
D. Small businesses that try to be more competitive .
【单选题】
In the first two paragraphs of the passage the writer tries to tell us that___
A. he had lived in Washington D.C. for twenty years
B. he was very imaginative when he was a child
C. he had fond memories of his old neighborhood
D. )he had come from a very poor neighborhood
【单选题】
The writer ,as a child ,was very fond of playing in the basement because ___
A. it was bright and alive
B. it contained a movie house and a space station
C. it was ideal for playing hide-and-seek
D. it was surrounded by trees and flowers
【单选题】
How did the writer feel when he visited his old neighborhood in Washington D.C. ?___
A. Greatly surprised .
B. Very regretful .
C. Quite excited .
D. Very sad .
【单选题】
On his visit to his hometown ,the writer found the old apartment building___
A. see medunfit to live in
B. had been repaired
C. could hardly be recognized
D. looked dirty and smelt horrible
【单选题】
" Youcan never go home again "inthe last sentence of this passage means that___
A. one should never revisit his hometown after many years of absence
B. one will never find his hometown the same as it was in his childhood memory
C. avisit to one's hometown will bring back one's fond memories of home
D. avisit to one's hometown will bring back many sad memorie
【单选题】
We learn from the passage that Tracy died___
A. on December 8,1992
B. of brain damage
C. 24 hours after he fell off the roof of a car
D. in a car crash
【单选题】
Tracy's parents decided to donate Tracy's organs because___
A. Tracy told them to do so just before he died
B. they wanted to save others the pain of seeing a dear one die
C. David's life could continue in a meaningful way
D. they knew David was suffering from a hopeless liver disease
【单选题】
The meeting between the writer's family and Tracy's parents was arranged because___
A. the writer and her husband wished to express their thanks to Tracy's parents
B. the local organ bank wanted to see how both families felt about the donation
C. Tracy's parents wanted to see someone whose life had been saved by the donation
D. the two families were linked by the most bittersweet ties imaginable
【单选题】
The writer and her husband learned how Tracy died___
A. from his parents
B. from the organ bank
C. from the hospital
D. from the doctor who performed the operation
【单选题】
The meeting between the two families helped to ease the Marshes'suffering because___
A. they saw that David looked very much like their son
B. they saw that David had regained health with Tracy's liver
C. they now had someone to share their memories of Tracy
D. they now knew for sure they had done the right thing
【单选题】
The writer's first marriage was unsuccessful because___
A. her husband often woke her up at midnight
B. her husband kept criticizing her
C. she was so unattractive
D. she had a self-esteem problem
【单选题】
When the writer asked for a divorce ,her husband___
A. told her that she would never find one who loved her as he did
B. delayed two years before giving her a reply
C. accused her of having an affair
D. said that she was unattractive and not worth loving
【单选题】
When the writer first met Clint ,she felt that___
A. she should have listened to her friend and met Clint earlier
B. Clint was a nice ,dazzling young man
C. Clint could not be really interested in her
D. she would find true love in Clint
【单选题】
The writer was particularly touched by Clint because___
A. he loved her children and asked for their approval of the marriage
B. he said that he could not imagine a life without her and the children
C. he believed that at 2 and 4 ,the two children were the "menof the house "
D. hekept her company and talked with her until the next morning
