【填空题】
168、当空气压缩机停止工作时,___防止总风缸的压缩空气向空气压缩机气缸逆流,以减少压缩空气的泄漏。
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相关试题
【填空题】
169、当调压器失灵,总风缸空气压力达到950±20kPa时,空气压缩机仍不能停止运转的情况下,___开启,以保护空气压缩机和总风缸的安全。
【填空题】
170、当压力空气送入制动缸时,将推动制动缸活塞移动,并通过___的传递和放大,使闸瓦压迫车轮产生制动力。
【填空题】
171、机车无动力编入列车回送时,无动力回送装置使机车能与其他车辆一样的产生___和缓解作用。
【填空题】
172、自阀手把在紧急制动位时,自阀的放风阀能直接排出___内的压力空气,以达到紧急制动的目的。
【填空题】
173、自阀的重联柱塞阀用于:___连通或切断均衡风缸管与___的联系。___自阀手把在紧急制动位时,使总风缸管与撒砂管连通。
【填空题】
174、自阀的缓解柱塞阀控制遮断阀管通路8a和___ 的充风或排风。
【填空题】
175、再制动时,局减止回阀防止局减室内压力空气向制动管___而引起自然缓解。
【填空题】
176、当空气压缩机活塞与缸壁密封不良好,压缩空气串入空气压缩机曲轴箱后,会引起通气孔___。
【填空题】
177、过风充风缸0.5mm小孔孔径___或过充风缸及其管路漏泄时,自阀手把由过充位移至运转位,均会使过充压力消除过快。
【填空题】
178、主阀空心阀杆上端O型圈密封不良会使自阀手把前两位正常,后五位时主阀排气口___。
【填空题】
179、常用限压阀柱塞O形圈密封不良或紧急限压阀止阀___时,均会造成限压阀泄漏。
【填空题】
180、自阀手把前两位排风不止,为副阀柱塞或阀套端部第一道O形圈密封不良,将制动管压力空气漏入___所致。
【填空题】
151. 机车挂车时,机车距脱轨器、防护信号、车列___m前必须停车。
【填空题】
152. 机车挂车时,确认脱轨器、防护信号撤除后,显示连挂信号,以不超过___km/h的速度平稳连挂。
【填空题】
153. 制动机进行简略试验时,自阀减压___kPa并保压1min,检查制动主管贯通状态,司机检查制动主管漏泄量,每分钟不得超过20kPa
【填空题】
154. 货物列车起动困难时,可适当压缩车钩,但不应超过总辆数的___。
【填空题】
155.货物列车速度在___km/h以下时,不应缓解列车制动。
【填空题】
156.列车进入停车线施行制动停车时,追加减压一般不应超过___次;一次追加减压量,不得超过初次减压量。
【单选题】
在新征程上,按照什么样的 ____,进一步追梦圆梦,实现关键一跃,这是中国特色社会主义总任务所要回答的问题。___
A. 时刻表、路线图
B. 时间表、路线图
C. 计划表、程序图
D. 计划表、政策图
【单选题】
实现 ____是中华民族近代以来最伟大的梦想。___
A. 四个现代化
B. 四个全面
C. 全面建成小康社会
D. 中华民族伟大复兴
【单选题】
____将“中国梦”明确定义为“中华民族伟大复兴”。___
A. 毛泽东
B. 邓小平
C. 胡锦涛
D. 习近平
【单选题】
2012年11月29日,习近平率中央政治局常委和中央书记处的同志参观 ____展览之后,第一次就中国梦展开阐述。___
A. 《复兴之路》
B. 《强国之路》
C. 《新丝路》
D. 《一带一路》
【单选题】
中国梦是引领未来,开辟未来的一面 ____旗帜。___
A. 理论
B. 思想
C. 精神
D. 革命
【单选题】
只有创造过辉煌的民族,才懂得 ____的意义。___
A. 发展
B. 富强
C. 复兴
D. 奋斗
【单选题】
中华民族的今天,( )。___
A. 雄关漫道真如铁
B. 人间正道是沧桑
C. 长风破浪会有时
D. 天翻地覆慨而慷
【单选题】
____被国际媒体称为“近年来最重要的全球变革”。___
A. 全球化
B. 全面脱贫
C. 全面深化改革
D. 中国崛起
【单选题】
现在我们比历史上任何时期都更接近中华民族伟大复兴的目标,比历史上任何时期都更 ____实现这个目标。___
A. 有决心、有信心
B. 有可能、有能力
C. 有信心、有能力
D. 有决心、有可能
【单选题】
中国梦的本质是( )。___
A. 国家富强 人民幸福 社会发展
B. 社会发展 人民幸福 共同富裕
C. 共同富裕 民族振兴 人民幸福
D. 国家富强 民族振兴 人民幸福
【单选题】
就中国梦而言,国家层面追求的是 ____。___
A. 富强
B. 振兴
C. 民主
D. 人民幸福
【单选题】
就中国梦而言,民族层面追求的是 ____。___
A. 富强
B. 振兴
C. 民主
D. 人民幸福
【单选题】
生活在伟大祖国和伟大时代的中国人民,共同享有 ____的机会,共同享有梦想成真的机会 。___
A. 出人头地
B. 人生出彩
C. 历练磨难
D. 努力奋斗
【单选题】
____是国家富强、民族振兴的根本出发点和落脚点。___
A. 人民利益
B. 人民满意
C. 人民高兴
D. 人民幸福
【单选题】
中国梦体现了中华民族的 ____情怀。___
A. 爱国主义
B. 集体主义
C. 人文主义
D. 家国天下
【单选题】
中国梦归根到底是 ____。___
A. 国家的梦
B. 民族的梦
C. 人民的梦
D. 大家的梦
【单选题】
____是中国梦的主体。___
A. 国家
B. 社会
C. 民族
D. 人民
【单选题】
中国梦是国家的梦、民族的梦,也是 ____的梦。___
A. 全世界
B. 全社会
C. 全人类
D. 每一个中国人
【单选题】
历史告诉我们,每个人的前途命运都与国家和民族的前途命运紧密相连。 ____大家才会好。___
A. 国家好 民族好
B. 国家好 社会好
C. 社会好 事业好
D. 国家好 事业好
【单选题】
只要每个人都把_____融入国家和民族的伟大梦想之中,敢于有梦、勇于追梦、勤于圆梦,就会汇聚成实现中国梦的强大力量。___
A. 人生理想
B. 人生信仰
C. 人生价值
D. 人生坐标
【单选题】
中国人民愿意同各国人民在实现各自梦想的过程中 ____。___
A. 相互支持、相互帮助
B. 相互帮助、相互促进
C. 相互促进、相互学习
D. 相互学习、相互监督
【单选题】
实现中国梦必须走中国道路,这就是 ____道路。___
A. 中国特色社会主义
B. 民族复兴
C. 富国强兵
D. 共同富裕
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【单选题】
What was the woman’s reaction when she was nominated? ___
A. She was surprised at the nomination.
B. She was calm at the nomination.
C. She was indifferent to the nomination.
D. She was scared of the nomination.
【单选题】
According to the woman, who paid for her trip to San Francisco? ___
A. Her trip to San Francisco was sponsored by the Academy.
B. Her trip to San Francisco was paid for by her company.
C. Her trip to San Francisco was paid for by her family.
D. Her trip to San Francisco was paid for by herself.
【单选题】
What is the name of George Miller’s new movie? ___
A. Happy Feeling.
B. Happy Dancing.
C. Happy Foot.
D. Happy Feet.
【单选题】
Which name is not mentioned in the film? ___
A. Nicole Kidman.
B. Hugh Jackman.
C. George Clooney.
D. Robin Williams.
【单选题】
Which of the following statement is not true about “Life in the Freezer”? ___
A. It was a documentary film.
B. It was made by National Geographic and the BBC.
C. It was a story of the amazing life of Emperor penguins.
D. The
E. mperor penguin sang to each other to find a mate and made friends.
【单选题】
What should you do during a high-pressure periods? ___
A. Lock yourself in a room with your work.
B. Leave your work and go on a vocation.
C. Tell your boss you can’t finish your work.
D. Get together with people who will revitalize and inspire you.
【单选题】
Which of the following is the correct description of TempWorld? ___
A. The era of guaranteed jobs is history.
B. We are all temporary workers.
C. You have to equip yourself with the skills.
D. All of the above.
【单选题】
What should a career activist do? ___
A. Being a career activist means concentrating on daily business.
B. Being a career activist means you can do a business as long as it meets your short-term needs.
C. A career activist should take the long view of his career.
D. A career activist should plan everything in advance.
【单选题】
What should you do in the TempWorld? ___
A. In TempWorld you must withstand disappointment, juggle stressful situations, and handle pressure.
B. You must learn from your setbacks and use them to your advantage in the future.
C. Things always go well for successful people because they are honest.
D. Both A and B.
【单选题】
Which of the following statements is Not True? ___
A. Your boss may be willing to change his behavior than your think.
B. Some managers don’t care how much their words or actions upset staffers.
C. You should tell your managers how their outbursts make you feel.
D. If the boss values your work, he may stop his abusiveness.
【单选题】
Which of the following public places is NOT mentioned that have banned mobiles? ___
A. restaurants
B. gas stations
C. theatres
D. museums
【单选题】
What happened when the cellphone of the speaker’s friend rang? ___
A. His friend answered the phone and the speaker became invisible to his friend.
B. They answered the phone together.
C. The speaker threw away his friend’s cellphone.
D. His friend hung up the phone and kept talking to the speaker. (C)
【单选题】
What happened to the man? ___
A. He had a car accident.
B. He had his arms broken.
C. He lost his mobile phone.
D. He was not able to use his mobile because he was in a remote area.
【单选题】
Which of the following is NOT true? ___
A. Today there are about 400 million cellphone owners.
B. Today there are about 300 million Personal Computer subscribers.
C. Cellphones will be more often used.
D. Cellphones will completely replace Personal Computers.
【单选题】
Which of the following is true? ___
A. Ellen Johnson-Sirleaf stayed in her country during the nation’s civil war.
B. She is still working for the United Nations.
C. She is the first woman ever elected president of an Asian country.
D. She is a Liberia.
【单选题】
What do you know about the solar eclipse? ___
A. Only hundreds of people gazed at it.
B. It was caused by the earth passing in front of the moon.
C. It was not often seen.
D. It started in Mongolia and ended in Brazil.
【单选题】
What is true about this meeting between the USA and China? ___
A. It was a meeting between Xi Jinping and Donald Trump.
B. It was the first time that the Chinese president had visited the United States.
C. The issue of the Olympics was discussed.
D. South Korea’s nuclear weapons program was discussed.
【单选题】
In which year did the station’s first permanent crew arrived? ___
A. 1998
B. 2000
C. 2002
D. 2003
【单选题】
If elected, ________________. ___
A. Richardson would be the first Hispanic President.
B. Clinton would be the first African-American President.
C. Romney world be the first Hispanic President.
D. Clinton would be the first Mormon President.
【单选题】
What are the things that the speaker’s inner and outer life based on? ___
A. Money
B. Health
C.
D. elicious food
【单选题】
What kind of things has its own reason for existing? ___
A. Questioning
B. The structure of reality
C. Curiosity
D. The mysteries of eternity
【单选题】
Who are so full of doubts? ___
A. Fools and fanatics
B. Wise people
C. Professors
D. University students
【单选题】
To the speaker, what kind of things always win in life? ___
A. Truth and love
B. Power and status
C. Great minds
D. Money and material
【单选题】
What’s the key word of the speaker? ___
A. Love
B. Power
C. Freedom
D. Curiosity
【单选题】
What happened to the man? ___
A. He committed identity theft.
B. He was put in prison.
C. He reported a case of theft to police.
D. He robbed a bank.
【单选题】
What is the attitude of Mrs. Washington? ___
A. She tries to cover up for little George.
B. She thinks Mr. Washington should not ask George directly.
C. She encourages George to chop down the tree.
D. She thinks Mr. Washington should put the blame on the sharp axe.
【单选题】
What do Nancy’s colleagues think about her transgender transition? ___
A. They think it is ridiculous.
B. They make a big fuss about it.
C. They take it lightly.
D. They are sympathetic.
【单选题】
What are the two women talking about? ___
A. They are talking women’s liberation.
B. They are talking about an ideal husband.
C. They want a rewarding job.
D. They are talking about women’s choice between family and career.
【单选题】
According to what you’ve heard, which of the following is NOT true? ___
A. The two ten-minute workouts help people get into shape in a short time.
B. The two ten-minute workouts are designed for the people of certain level of fitness.
C. The two ten-minute workouts help people to lose weight and to be vigorous.
D. The two ten-minute workouts are suitable for most people.
【单选题】
What does Cindy say about visiting Costa Rica in June? ___
A. It is bad because June falls in the rainy season.
B. It is bad because there is almost no sunshine in June.
C. It is not bad because it seldom rains on the coast.
D. It is not bad because it does not rain all the time and in all the places.
【单选题】
What did the professor say about the translation of idioms across language? ___
A. Almost all idioms are translatable and can be universally used.
B. Idioms are hardly translatable and cannot be universally used.
C. Not all idioms are translatable but many have translations in other language.
D. All idioms are translatable and tend to become international.
【单选题】
According to Professor Randal, which of the following is true for SAT II? ___
A. It tests your critical thinking and problem-solving skills.
B. It is more content oriented.
C. It is designed to measure subject-area knowledge.
D. It is designed to measure achievement in
E. nglish, math, reading, and science.
【单选题】
The movie in IMAX format adds the amazing effects except ___________. ___
A. the effect of sound
B. the effect of view
C. the effect of landscape
D. the effect of mystery
【单选题】
What can we learn from the conversation? ___
A. Nobody thinks he is under stress.
B. People should avoid stress completely.
C. Stress is a normal state of affairs.
D. Nobody is subject to stress.
【单选题】
What is Tom’s attitude towards the mobile phone? ___
A. It is very convenient to send text messages.
B. People have to put up with the inconvenience of using mobile phones.
C. He feels important when he uses his mobile phone in public.
D. He cannot live a day without his mobile phone.
【单选题】
Where did Helena start learning Dutch? ___
A. Spain
B. Holland
C. Sri Lanka
D. Indonesia
【单选题】
According to what the broadcaster says about what happened when the blackout occurred, which of the following is not true? ___
A. People crowded the streets of New York.
B. Throngs of people walked across the bridge, screaming and cursing.
C. The blackout stopped subways, buses and turned off traffic lights.
D. Many people are thinking of hitching a ride.
【单选题】
Who is Dr. Burkey? ___
A. The anchor
B. The questioner
C. A student
D. A clinical psychologist.
【单选题】
Which is true about Gandhi’s nonviolence? ___
A. There will be no pains and defeats when people use nonviolence.
B. People should be prepared to die like a soldier when they use nonviolence.
C. Nonviolence means that you have to accept injustice.
D. Soldiers can use violence against violence.
【单选题】
肖东和外祖父是___
A. 直系血亲
B. 直系姻亲
C. 旁系血亲
D. 旁系姻亲