【填空题】
101. CRH380A 型动车组环氧树脂绝缘子及瓷绝缘子要求:同一绝缘子损 伤在___处以下；同一褶边的损伤在___处以下；
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相关试题
【单选题】
CCB-Ⅱ型制动机中EBV内部有___个机械阀。(1.0分)
【单选题】
现行客车制动缸活塞密封件为___。(1.0分)
A. O形密封环
B. 金属密封环
C. 密封牛皮碗
D. 密封橡胶碗
【单选题】
事故调查组在事故发生后应当及时通知相关单位和人员；一般B类事故以上、重大以下的事故（不含相撞的事故）发生后，应当在___内通知相关单位，接受调查。(1.0分)
A. 2h
B. 8h
C. 12h
D. 24h
【单选题】
四氯化碳的绝缘性能高达___，特别适合于扑灭高压电器发生的火灾。(1.0分)
A. 10kV
B. 12kV
C. 14kV
D. 25kV
【单选题】
千斤顶在___必须检查蜗杆、螺母的磨损情况，磨损超过25％就不能使用。 (1.0分)
A. 使用前
B. 使用后
C. 入库前
D. 入库后
【单选题】
登高作业使用梯子，梯子与地面的倾斜角为___左右，并要有防滑装置。 (1.0分)
A. 30°
B. 45°
C. 60°
D. 80°
【单选题】
用手电钻钻孔时应___。(1.0分)
A. 戴帆布手套
B. 戴皮手套
C. 不戴手套
D. 戴橡胶手套
【单选题】
劳动者在该用人单位连续工作满( )年的，用人单位与劳动者协商一致，可以订立无固定期限劳动合同。(1.0分)
【单选题】
职业道德与人的事业的关系是( )。(1.0分)
A. 没有职业道德的人不会获得成功
B. 要取得事业的成功，前提条件是要有职业道德
C. 事业成功的人往往并不需要较高的职业道德
D. 职业道德是人获得事业成功的重要条件
【单选题】
一般来讲，不属于影响个体职业道德状况因素的是( )。(1.0分)
A. 从业人员个体所处的社会环境
B. 产品的质量特性
C. 从业人员个体所从事的职业活动
D. 个人的道德品质
【单选题】
普通单车试验器手把置6位时为（ ）。(1.0分)
A. 快充位
B. 制动安定位
C. 紧急制动位
D. 制动、缓解感度位
【单选题】
制动感度试验时，制动管减压（ ）kPa。(1.0分)
【单选题】
闸片托燕尾槽宽度磨耗超过（ ）mm时须焊修。
【单选题】
ST1-600型双向闸瓦间隙自动调整器采用（ ）头梯形非自锁螺纹、双向调整结构。(1.0分)
【单选题】
制动安定试验时，制动管减压（ ）kPa。(1.0分)
A. 100
B. 120
C. 150
D. 170
【单选题】
稳定弹簧自由高为（ ）。(1.0分)
A. 52.5-48.5
B. 50.5-46.5
C. 42.5-38.5
D. 26-24.5
【单选题】
F8型分配阀制动第一阶段局减时把制动管的压缩空气经局减阀、（ ）套排向大气。(1.0分)
A. 充气阀
B. 限压阀
C. 充气止回阀
D. 转换盖板
【单选题】
104紧急阀杆上缩孔Ⅲ、Ⅳ、Ⅴ的原型分别孔径为（ ）。(1.0分)
A. 1.6mm、1.15mm、0.5mm
B. 1.5mm、1.15mm、0.5mm
C. 1.6mm、1.0mm、0.5mm
D. 1.5mm、1.0mm、0.5mm
【单选题】
104分配阀第二阶段局减时制动主管的压力空气是排向（ ）。(1.0分)
A. 局减室
B. 容积室
C. 紧急室
D. 制动缸
【单选题】
制动缸组装时，内壁及皮碗外侧周围须按规定均涂抹一层（ ）。(1.0分)
A. 一般润滑脂
B. 1号制动缸润滑脂
C. 46号制动缸润滑脂
D. 89D制动缸润滑脂
【单选题】
下列型号单元制动缸用于踏面清扫器制动的是（ ）。(1.0分)
A. SP2型
B. PDZ-8 型
C. SP12型
D. SP13型
【单选题】
闸调器拉杆在制动时，伸长后不能复原的原因是（ ）。
A. 制动缸连接拉杆孔眼放错
B. 制动时，制动缸活塞行程太长
C. 换闸瓦时，手调闸调器旋转的圈数太多
D. 制动时，制动缸活塞行程太短
【单选题】
F8型制动机充气缓解时，辅助室的压力空气来源于( )。(1.0分)
A. 缓解风缸
B. 副风缸
C. 压力风缸
D. 总风缸
【单选题】
TWG-1系列空重车自动调整装置φ25 mm的外圆杆在全长范围内弯曲变形超过( )。 (1.0分)
A. 0.5mm
B. 1mm
C. 1.5mm
D. 2mm
【单选题】
在制动时，当闸瓦间的摩擦力（ ）轮轨间的粘着力时，制动力的大小在数值上等于轮瓦间的摩擦力。(1.0分)
A. 小于或等于
B. 小于
C. 等于
D. 大于或等于
【单选题】
ST2-250型闸瓦间隙自动调整器性能试验时(全部装用新闸瓦)，须将螺杆调至( )。(1.0分)
A. 200～240 mm
B. 500～550 mm
C. 200～270 mm
D. 500～570 mm
【单选题】
制动管内压缩空气以常用制动最小减压速度和最小减压量减压时，制动机能产生制动作用的性能叫做制动机的 （ ）。(1.0分)
A. 稳定性
B. 安定性
C. 灵敏度
D. 缓解感度
【单选题】
（ )是靠刀具和工件之间作相对运动来完成的。 (1.0分)
A. 焊接
B. 金属切削加工
C. 锻造
D. 切割
【单选题】
用于消除铸件、锻件、焊接件内应力的退火为( )。(1.0分)
A. 扩散退火
B. 等温退火
C. 球化退火
D. 去应力退火
【单选题】
表面渗碳淬火主要用于( )零件。(1.0分)
A. 低碳钢
B. 中碳钢
C. 高碳钢
D. 合金钢
【单选题】
淬火工艺是将钢加热到Ac1或Ac3 以上( )，保温一定时间，然后快速冷却的封处理方法。(1.0分)
A. 10～30℃
B. 30～50℃
C. 50～60℃
D. 60～75℃
【单选题】
耐油性能最好的橡胶制品是( )。(1.0分)
A. 天然橡胶件
B. 氮丁橡胶件
C. 丁苯橡胶件
D. 丁腈橡胶件
【单选题】
应用最普通的夹紧机构有( )(1.0分)
A. 简单夹紧装置
B. 复合夹紧装置
C. 连杆机构
D. 螺旋机构
【单选题】
零件的清理、清洗是( )的工作要点。 (1.0分)
A. 装配工艺过程
B. 装配工作
C. 部件装配工作
D. 装配前准备工作
【单选题】
零件在加工、测量和装配过程中，用来作为依据的那些点、线、面叫做( )。(1.0分)
A. 工艺基准
B. 定位基准
C. 装配基准
D. 测量基准
【单选题】
在微机中外存储器通常使用软盘作为存储介质，软磁盘中存储的信息，在断电后( )。(1.0分)
A. 少量丢失
B. 大部分丢失
C. 完全丢失
D. 不会丢失
【单选题】
链轮两轴线不平行时，传动不平稳且( )增大。(1.0分)
【单选题】
轴瓦与轴承座、盖的装配和轴瓦孔的配刮是( )滑动轴承的装配要点。(1.0分)
A. 整体式
B. 部分式
C. 液体磨擦
D. 非液体磨擦
【单选题】
向心球轴承安装顺序是：当内圈与轴颈配合较紧，外圈与壳体孔配合较松时，应先将轴承（ ）。(1.0分)
A. 压入壳体孔中
B. 装在轴上
C. 同时压入或装上
D. 装入壳体孔中
推荐试题
【单选题】
21. —The 2010 World Expo which will last 184 days will be held in Shanghai on May 1st.
—________exciting news! We shall try our best to support it.
A. How B. How an C. What D. What an
【单选题】
22. They preferred ______ in bed rather than _____ horses．
A. to lie; to ride B. lying; riding C. lying; ride D. to lie; ride
【单选题】
23. —What was Jim wearing at the party?
— Nothing _______. He was in his usual shirt and jeans.
A. special B. simple C. important D. interesting
【单选题】
24. The 2016 Olympic Games ________ in Brazil. Would you like to go there?
Maybe, if possible.
A. are held B. will be held C. were held D. have been held
【单选题】
25. — David, look at the man in white over there．Can you tell me _______ ?
—He is a doctor．
A. who is he B. who he is C．what does he do D. what he does
【单选题】
( ) 26.With help from a Mr. H, you can__________.
A. stop wearing your watch B. get new books and objects
C. finish your homework on time D. know when parents or teachers are near
【单选题】
( ) 27. A PENGO WATCH CONTROL can help you to ______________.
A. repair your TV B. put away your books and objects
C. become a James Bond D. get a daily weather report
【单选题】
( ) 28. You can get your Mr. H for___________.
A. $299 B. $499 C. $199 D. $99
【单选题】
( ) 29. When was canned food invented?
A. In 1870. B. In 1810. C. In 1902. D. In 1926.
【单选题】
( ) 30. After the trip to the Arctic, Clarence Birdseye invented ____________.
A. canned food B. can openers
C. frozen food D. air conditioning
【单选题】
( ) 31. Changes in weather _____________ in Willis Carrier's company.
A. helped to keep food B. made rooms comfortable
C. caused health problems D. hurt printing paper
【单选题】
( ) 32. According to the passage, which of the following may lead to inventions?
A. People's needs. B. Public support.
C. Modern technology. D. Practical suggestions.
【单选题】
( ) 33. 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】
( ) 34. 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】
( ) 35. 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】
( ) 36. 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】
( ) 37. The Chinese Yellow Sea Wetlands are in the _______ of China．
A．south B．east C．west D．north
【单选题】
( ) 38. Usually the weather in the wetlands is _______．
A．hot B．pleasant C．cold D．dry
【单选题】
( ) 39. The World Wetlands Day is on _______．
A．February 2 B．June 25 C．April 22 D．March
【单选题】
( ) 40. 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】
) 1. —Is it far from here to the bank?
—Not very, only________．
A. 20 minute’s walk B. 20 minutes walk
C. 20 minutes’ walk D. 20 minutes’ walks
【单选题】
2. — After discussing, the students ________ some good ideas to work on the project.
— Thats great!
A. put up B. set up C. caught up with D. came up with
【单选题】
3. Yesterday Tommy walked past my table and ______ my bowls and dishes.
He should be careful next time.
A. knocked off B. took off C. showed off D. turned off
【单选题】
4.We don’t have enough nurses to look after patients．At least ___ nurses are needed．
A. ten another B. more ten C. another ten D. other ten
【单选题】
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
【单选题】
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
【单选题】
7. — 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】
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
【单选题】
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
【单选题】
10. There are three English-books on the shelf, but ______ of them is mine.
A. both B. neither C.all D. none
【单选题】
11. When the parents arrived at the hall, the students _______ their projects.
A. have finish B. finished C. had finished D. are finishing
【单选题】
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
【单选题】
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
【单选题】
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
【单选题】
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
