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20.轨道车排障器下缘距轨道上平面的距离应为___mm,使用时应注意调整。
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21.轨道车___转向架主要由构架、___、弹性悬挂装置、车体与转向架连接装置、轮对等几部分组成。
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22.四冲程柴油机一个工作循环包括进气、压缩、___、排气四个冲程。
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23.采用PT燃油供给系统的柴油机,司机通过操纵PT燃油泵的___阀来控制供油量。
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24.轨道车___柴油机润滑方式有___润滑和___润滑两种。
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25.柴油机___系统的主要作用就是将柴油机工作中多余的热量散发出去,以保证柴油机运行时,冷却水温保持在80~90℃的温度范围内正常工作。
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26.在铅蓄电池每格伸出盖外的接线上,刻有“+”或涂有___标记为正极。
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27.在铅蓄电池每格伸出盖外的接线上,刻有“一”或涂有___标记为负极。
【填空题】
28.蓄电池电解液应采用质量纯净的高浓度硫酸与___水。
【填空题】
29.蓄电池在寒冷地区使用时,应注意保温,电解液密度应适当___。
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30.当轨道车与接触网作业车柴油机未启动时,各电气设备工作所需电源由___供给。
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31.___灯装于两端操纵台的仪表盘上,使夜间行车时司机能看清仪表的指示情况。
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32.___装在轨道车与接触网作业车两端挡风玻璃上方中央,是运行中主要光源。
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33.___灯装在挡风玻璃下两侧外方,是在夜间或雾天行驶时对近处的照明。
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34.___灯也叫信号灯,装于前后棚两端的顶棚外角上,用作行车信号标志。
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35.___灯装于轨道车与接触网作业车车棚内,用于车内照明。
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36.轨道车与接触网作业车的顶灯采用___V直流真空灯,可调节聚光角和焦距。
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37.___的作用是在轨道车与接触网作业车行驶时清除积留在挡风玻璃上的雨、雪和尘土等污物,以免妨碍司机的视线。
【填空题】
38.配制好的蓄电池电解液,须冷却到___℃以下方可注入蓄电池。
【填空题】
39.轨道车___的柴油机和驱动轮对之间的部件总称为___系统。
【填空题】
40.轨道车___传动系统的功用之一是使柴油机输出的转速降低,转矩___,并传给驱动轮对。
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41.轨道车___的传动系统分为机械传动、___传动和电传动三类。
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42.机械传动轨道车___正常行驶时,其离合器一般处于___状态。
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43.液力变矩器主要由可旋转的泵轮、___和固定不动的导轮组成。
【填空题】
44.采用液力传动的轨道车___,其传动系统主要由___ 、万向传动装置和车轴齿轮箱等组成。
【填空题】
45.使轨道车___停止运行或降低运行速度,或防止停止中的轨道车___移动所采取的措施均为___作用。
【填空题】
46.解除或减弱已实施在轨道车___上的制动作用称为___
【填空题】
47.轨道车___制动系统由空气制动机、手制动机及___装置三部分组成。
【填空题】
48.JZ-7型空气制动机的单独制动阀可直接控制___阀,使机车制动和缓解。
【填空题】
49.自动制动阀由:过充位,运转位,最小减压位、最大减压位、过量减压位,手柄取出位,___七个作用位置。
【填空题】
50.轨道车___出车前,司机应通过打开制动系统中___分离器开关排出杂质。
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51.机械传动轨道车___起步操纵时,应踩下离合器踏板,将换向操纵杆扳到拟行驶方向的位置,变速杆挂入___挡,鸣笛一长声。
【填空题】
52.机械传动轨道车___进行换向操纵前,其变速器操纵杆应置于___位。
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53. 轨道车___日常保养时,应进行车钩___作用试验,检查钩舌、钩销是否良好。大钩固定螺栓是否紧固。
【填空题】
54.轨道车___收车后,应检查各部有无漏___、漏电、漏气、漏油现象。
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55.轨道车___收车后,应检查各风缸、___分离器、远心集尘器有无积水。
【填空题】
56.轨道车___运行作业低速走行操纵前,其换向机构应置于___位。
【填空题】
57.货物装载与加固的基本原则是使货物均衡、稳定、合理地分布在车地板上,不超载、不___载、不集重、不偏重、不超___。
【填空题】
58.机械传动轨道车___进行换向操纵时,其变速器操纵杆应置于___位。
【填空题】
59.轨道车___日常保养时,应检查和调整制动系统的___活塞行程。
【填空题】
60.轨道车___进行换端操纵前,车辆必须保持___状态。
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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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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
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13. He never does his work _______ Mary.
A. as careful as B. so careful as C. carefully as D. as carefully
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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
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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
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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
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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
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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
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22.There is ________ 800-metre-long road behind ________ hospital.
A. an; an B. an; the C. a; a D. a; the
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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
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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.
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( ) 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.
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( ) 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
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( ) 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
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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