【判断题】
CRH2A统型动车组一级检修质量标准中：0、1号车自动过分相接收装置外观及安装状态良好 。.
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相关试题
【判断题】
车组特高压电气系统，包含 的大部件有：受电弓、保护接地开关EGS、故障隔离开关、真空断路器VCB、避雷 器、高压电缆及高压连接器。 .
【判断题】
在检查维修制动系统、受电 弓、前罩开闭 机构、自动车钩及转向架空气弹簧等由压缩空气供给能量的系统时，要防止因空气压力变化而可能引起的意外，避免人身和设备伤害。 .
【判断题】
车顶作业时，必须采取动车 组防溜和人员防电、防滑措施。所有登顶人员上、下车顶 都必须登记，确保上、下车顶人员一一对应。 .
【判断题】
CRH2A统型动车组车载信息 系统的自诊断功能确保设备自身的正确工作。 .
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VCB的作用是在需要的情况 下自动断开主变压器的供电。 .
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EGS的作用是将高压系统强制性 接地，以便车辆维护时人员的安全。 .
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CRH2A统型动车组二级检修时，检测受电弓与接触网接触压力时，上推力和下降力两个值之差 不应超过30 N。 .
【判断题】
CRH2A统型动车组的转向架安 装了抗侧滚扭杆。 .
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CRH2A统型动车组采用了光纤 进行信息传输。 .
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BCU计算制动力的三要素是制 动级位指令、列车运行速度和载重。 .
【判断题】
动车组必须专列回送，每列 编组不得超过16辆。 .
【判断题】
CRH2A统型动车组三种风挡分 别是气密式外风挡、压缩形内风挡和防雪风挡等。.
【判断题】
耐雪制动是为了防止由于闸片 和制动盘面之间的积雪而引起制动力降低。.
【判断题】
CRH2A（统型）动车组关闭侧拉 门之后各车厢侧面的显示灯会熄灭，司机室驾驶台的关门显示灯会亮起 。.
【判断题】
CRH2A（统型）动车组在车体 外侧面上，设置了车侧显示灯、侧面目的地显示器、车号显示器。.
【判断题】
CRH2A（统型）动车组压紧 装置是通过油压动力缸来顶住侧门，将门和车体压紧密贴，保证车内的气密性。.
【判断题】
CRH2A（统型）动车组一级检修中基础制动检查制动闸片厚度为动车≥7mm，拖车≥7mm,外 观状态良好。.
【判断题】
CRH2A（统型）动车组MON中 央装置系统提供 一般、诊断、检修模式等三个功能模式。.
【判断题】
CRH2A统型动车组车轮径860mm，最大磨耗时为790mm，车轮宽度为135 mm，车钩中心线 高度1000mm。.
【判断题】
CRH2A（统型）动车组 车内广播分为人工广播、语音自动广播、电台广播三种。.
【判断题】
CRH2A（统型）动车组 电空转化阀将送来的压缩空气调整到与制动指令相对应的空气压力，并作为指令压力送给中继阀。.
【判断题】
动车组实行计划性预防修的检修体制，分为五级修程。 一、二级检修 为运用检修， 在动车所内进行； 三、四、五级检修 为高级检修。 .
【判断题】
CRH2A(统型)动车组 总定员613人。.
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CRH2A(统型)动车组 司机室操纵台下搁脚台上安装有汽笛开关和 警惕脚踏 开关。.
【判断题】
CRH2A(统型)动车组 轴箱体前盖由铝合金制成。.
【判断题】
CRH2A动车组受电弓 软连线有三种：弓头软连线、肘接软连线、底架软连线。.
【判断题】
CRH2A(统型)动车组 高压隔离开关最小动作气压 350kPa。.
【判断题】
CRH2A(统型)动车组 真空集便系统污物箱装有三个液位开关，用于指示污物箱0%、20%、80%和100%四种液位。.
【判断题】
玻璃加热器电路的基本 单元由加热控制器、玻璃加热器及热传感器构成。.
【判断题】
CRH2A统型动车组标志 灯转换电路的基本单元由标志灯控制部、标志灯电阻器盘、前部标志灯及后部标志灯构成.
【判断题】
CRH2A统型动车组的制动系 统采用手动制动和由ATP控制的自动制动方式，动作方式采用电气再生制动和电气指令空气制动方式并用。.
【判断题】
CRH2A统型动车组检修标准车 轮直径之差：同一轮对≤1mm；同一转向架≤4mm；同一车厢≤4mm; 相邻车厢间≤40mm。.
【判断题】
CRH380A统型动 车组裂缝导致滑板漏气，受电弓无法正常升起。 .
【判断题】
CRH380A统型动车组受电弓检 查时,铝托架有直径大于2mm的电蚀孔须更换。 .
【判断题】
CRH380A统型动车组受电弓检查 时,两个滑板高度差大于2mm须更换。 .
【判断题】
CRH380A统型动车组受电弓 专项检查时,检查弓角无裂纹，表面磨损纵向宽度大于3mm时更换。 .
【判断题】
CRH380A统型动车组受电弓专项检查时,确认作业股道接触网已断电，接地杆已挂，确认作业 车组已放电，防溜、安全防护号志已设置，三层渡板放下.
【判断题】
CRH380A统型动车组受电弓专项 检查时,目视检查阻尼器：外观及安装状态良好，无漏油现象。.
【判断题】
CRH380A统型动车组受电弓专项检查时,目视检查升弓装置气囊;无裂纹、破损现象。当气囊存在龟裂深度达到或超过1.2mm， 或龟裂长度达到或超过25mm 的单 个龟裂，或可见内部的编织层时，更换气囊。.
【判断题】
CRH380A统型动车组受电弓在高 出车顶1.6m处测量，上推力和下降力两个值之差不应该超过20N。.
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5. — Zhao Rui, it’s said that many famous singers will come to Yangzhou on April 18th. How about watching the evening show there?
—________! Let’s ask Huang Tao to go with us.
A. Best wishes B. Sounds great C. Good luck D. That’s OK
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6.—Hello! This is Henry Speaking．I’d like to speak to your father．
—Sorry, he has Shanghai．
A. been in B. been to C. come to D. gone to
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— I think a bridge ______ over the river．
A. was built B. is being built C. has been built D. should be built
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8. —Where would you like to go, Jinan or Qufu?
— ．I only want to go to Qingdao．
A. Each B. Either C. Neither D. All
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9 — The documentary A Bite Of China II is quite popular around China recently. How do you like it? ______.
A. I think so B. Pretty good C. Its my pleasure D. All right
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10. There are three English-books on the shelf, but ______ of them is mine.
A. both B. neither C.all D. none
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11. When the parents arrived at the hall, the students _______ their projects.
A. have finish B. finished C. had finished D. are finishing
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12. This week, the _______ seems to change every day: one day is hot; the next day is cold.
A. time B. weather C. season D. way
【单选题】
13. He never does his work _______ Mary.
A. as careful as B. so careful as C. carefully as D. as carefully
【单选题】
14. — Can he jump high?
— Yes, he ______. He is a good high jumper.
A. must B. need C. can D. shall
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15. The shop _____ at 8:00 a．m．and it ________ for ten hours every day．
A. is open; has opened B. is opened; opens
C. opens; is open D. opened; opens
【单选题】
16. —Excuse me, may I use your bicycle? ______ is broken.
Certainly. But remember to return it before lunch.
A. Mine B. Me C. Myself D. I
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17. Simon, what do I need to take for the hiking?
Youd better ________ more water than usual. Its hot today.
A. to take B. taking C. take D. took
【单选题】
18. Helen ______ to a language school when she was seven.
A. sent B. is sent C. will send D. was sent
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19. — Is this park youve visited recently?
— Yes, it's the most beautiful one Ive ever visited before.
A. that B. the one C. which D. the one which
【单选题】
20. — Its difficult for the village children to cross the river for school.
— I think a bridge ________ over the river.
A. should be built B. is being built C. has been built D. was built
【单选题】
21. — Could you tell me when Mr. Li ________ in Huaibei?
— Sure．．When he ________, I’ll call you．
A. arrives; will arrive B. will arrive; will arrive
C. arrives; arrives D. will arrive; arrives
【单选题】
22.There is ________ 800-metre-long road behind ________ hospital．
A. an; an B. an; the C. a; a D. a; the
【单选题】
23. — Did you see a girl in yellow pass by just now?
— No, sir. I ________ a magazine.
A. read B. am reading C. was reading D. would read
【单选题】
24.In fact, my parents are not only kind to me, but also strict ________ me.
A. at B. to C. for D. with
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25. The boy_____ a yellow sweater can_____ himself now．
A. wearing; dress B. putting on; wear C. put on; dress D. dressing;
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( ) 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
【单选题】
( ) 29. When a baseball player hits the ball, he must ______ to get a point.
A. run to each base freely
B. touch the home plate first
C. touch all the bases with his hands
D. run to each base in order and touch it with his foot
【单选题】
( ) 30. When was the importance of touching all the bases shown?
A. Before the baseball rules made.
B. At the end of the 1974 baseball seasons.
C. At the start of the 1974 baseball seasons.
D. In the second week of 1974.
【单选题】
( ) 31. Who hit home run number 715?
A. Babe Ruth. B. Hank Aaron. C. Babe Ruth’s partner. D. Hank Aaron’s friend.
【单选题】
( ) 32. What does the expression “to touch all bases” mean?
A. To try your best to set a new record.
B. To get a chance to be the greatest hitter.
C. To do what is needed to finish an activity.
D. To solve the problems successfully.
【单选题】
( ) 33. The Chinese Yellow Sea Wetlands are in the _______ of China．
A．south B．east C．west D．north
【单选题】
( ) 34. Usually the weather in the wetlands is _______．
A．hot B．pleasant C．cold D．dry
【单选题】
( ) 35. The World Wetlands Day is on _______．
A．February 2 B．June 25 C．April 22 D．March 22
【单选题】
( ) 36. We must protect wetlands because _______．
A．they are home for wildlife B．they can prevent flood
C．they can offer food to the animals and birds D．all of the above
【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
【单选题】
1.—Hello! This is Henry Speaking．I’d like to speak to your father．
—Sorry, he has Shanghai．
A. been in B. been to C. come to D. gone to
【单选题】
2. — It’s difficult for the village children to cross the river for school．
— I think a bridge ______ over the river．
A. was built B. is being built C. has been built D. should be built
【单选题】
3. —Where would you like to go, Jinan or Qufu?
— ．I only want to go to Qingdao．
A. Each B. Either C. Neither D. All
【单选题】
4. — The documentary A Bite Of China II is quite popular around China recently. How do you like it? — ______.
A. I think so B. Pretty good C. It’s my pleasure D. All right
