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24.具有安装客车发电机和蓄电池的固定设备,但暂时未安装的客车叫_____。___
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25.客车电动水泵由直流电动机的循环___组成。___
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26.凡实行定期检修并需分解的蓄电池,应首先进行一次部分容量的放电,叫____。___
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27.利用晶体管电路把直流电转变为交流电,这种对应于整流的逆向过程称为_____。___
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28.万有表使用完毕后,应将转换开关置于___档。___
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29.一般万用表主要由表头、测量线路和___组成。___
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30.低压电器按照它所控制的对象不同,可分为低压配电电器及___电器两种。___
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31.通常规定兆欧表的额定转速为____r/min。___
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32.将电气设备与零线相连叫___。___
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33.把数字信号转换___的装置称为D/A转换器。___
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34.电工常用的绝缘材料按其化学性质的不同,可分为___绝缘材料、有机绝缘材料和混合绝缘材料三种。___
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35.激磁线端反接会造成KP-2A型控制箱发电机___。___
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36.空调机组的主要噪声来自_____和风机。___
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37.J5型发电机及恒压装置的整定电压是___V。___
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38.25型空调客车车下配线包括输送三相交流电的主线、___及车下各负载支线等。___
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39.最高工作温度保险丝的额定电流是指___。___
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40.25型客车电压为____三相四线制。___
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41.客车上使用的逆变器,其三极管的连接方式为___。___
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42.电流互感器是配合电流表,继电保护线圈来反映___的一种特殊变压器.___
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43.通常所说的表头灵敏度是指使表针自零点___时的电流值。___
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44.电流所通过的路径称___。___
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45.电路是由电源、负载、开关和___四个基本部分组成。___
【填空题】
46.电磁式交流继电器主要由____、触头部分和反力部分组成。___
【填空题】
47.在可控整流电路中,触发电路必须和____同步。___
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48.直流电源一般由电源变压器、____、滤波器和稳压电路组成。___
【填空题】
49.在可控整流电路中,触发电路必须和____同步。___
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50.车辆空调制冷系统中,单位时间内所摄取的热量称为___。___
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51.25型空调客车的供电装置采用____形式。___
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52.电感线圈在电路中具有通直流___的作用。___
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53.交流接触器具有远距离操作功能、_____和欠压保护功能,但不具备过载保护功能。___
【填空题】
54.空调装置电气部件与壳的绝缘,在相对湿度小于60%时电阻应大于_____,若低于此值,可采用断开有关线路分段测量方法,找到漏电部位后更换或加强绝缘性能下降的元件。___
【填空题】
55.目前绝大部分空调装置的进出风温差一般在Δt=_____。___
【填空题】
56.客车电气装置由供电部分、配电、输电和连接部分及____器部分组成。___
【填空题】
57.三相鼠笼式电动机采用降压起动的目的是___。___
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58.直流电源一般由电源变压器、___、滤波器和稳压电路组成。___
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59.绝缘体是指常态下几乎不能传导___的物体。___
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60.普通客车配线按用途可分为___配线和播音配线两大系统。___
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61.电感对突变负载和交流电路起抗拒__的作用。___
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62.白炽灯的发光原理是基于电流的__。___
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63.电流在____中流动时要受到一定的阻力,这种阻力称为导体的电阻。___
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64.兆欧表是用来测量电气设备和线路____的专用仪表。___
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Tom is a book lover. ______ likes reading very much. A. He B. She C. You D. It
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—May I listen to the music here, Mr. White? —Sorry, you’d better it like that. A. not to do B. not do to C. dont do D. not do
A. A
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C. C
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【单选题】
3.—Did you have a good time at Lauras birthday party? — Yes, indeed. Its several years ________ I enjoyed myself so much. A. when B. before C. since D. that
A. A
B. B
C. C
D. D
【单选题】
4. —___________ is the Summer Palace from here? About three kilometers away. You can take the No. 35 bus. A. How long B. How far C. How often D. How much
A. A
B. B
C. C
D. D
【单选题】
5. I was looking for a birthday gift for my mother, but I couldnt find ______ suitable. A. anything B. something C. nothing D. everything
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B. B
C. C
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【单选题】
6. A friend of my ____ and I are going to visit_______ next week. A. father; Browns B. father's; Browns C. father; the Browns D. father's; the Browns
A. A
B. B
C. C
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【单选题】
7. She ______ very hard since she came to our school. A. studies B. has studied C. is studying D. studied
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B. B
C. C
D. D
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8. — Who will send you to the new school, your mom or your dad? — _______. Ill go there by myself. A. Both B. Either C. Neither D. None
A. A
B. B
C. C
D. D
【单选题】
9.—Well do what we can ____English well this term. —It’s high time for you to work hard. A. study  B.to study  C. be studied   D. be studying
A. A
B. B
C. C
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【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______? — Sorry, I don’t know. I’m new here. A. where it is B. where was it C. where is it D. where it was
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11. How do you like the dishes, Eric? — Fantastic! Nothing tastes ________. A. nice B. better C. terrible D. worse
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B. B
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12. ______ Lin Feng has to work late, she always wears a smile on her face. A. Because B. If C. Until D. Though
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B. B
C. C
D. D
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13.You can save money _______ you buy cheaper things. A. before B. unless C. if D. until
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B. B
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14. We will have a _________ holiday after the exam. A. two-month B. two month’s C. two month D. two-months
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B. B
C. C
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15. —We will build an underground in Xuzhou before 2015. — Wow, _______! Will it pass our place? A. what an excited news B. how excited the news is C. what exciting news D. how exciting
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16. — Emily, here’s a dictionary.I hope it will help you in some way. — Thank you.It’s ________ what I need. A. almost B. still C. only D. just
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17. —Oh.I’m hungry.Mum, can I have the hamburger on the plate? —No.It tastes . A. terribly B. terrible C. good D. well
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18. —We can invite our teachers to the farewell party next Saturday. —Yes, ______? I’ll call them at once. A. what for B. what C. why not D. why
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B. B
C. C
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19.You can ________ ask the old man to move away to any other place because he has lived ________ here for at least sixty years. A. hardly; alone B. hard; alone C. hardly; lonely D. hardly; lonely
A. A
B. B
C. C
D. D
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20.—I’m going back to see my grandparents this weekend. —________. A. It’s very nice of you B. You’d better hurry C. Say goodbye to them D. Give my best wishes to them
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B. B
C. C
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21.—Why not take ____ umbrella with the sign “Made in China”? It is useful. —What _______ good advice it is!    A. an; a B. a; a C. an; \ D. \; a
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B. B
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22. —Do you know the boy________ is sitting next to Peter? — Yes. He is Peter’s friend. They are celebrating his ________ birthday. A. who; ninth B. that; ninth C. /; ninth D. which; ninth
A. A
B. B
C. C
D. D
【单选题】
23. It was dark, ______ I couldnt see what was happening. A. or B. though C. but D. so
A. A
B. B
C. C
D. D
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24.—You can use MSN to talk with Vivien on the Internet. —I know. But can you tell me ________? A. what I can use it B. when I can use it C. why can I use it D. how can I use it
A. A
B. B
C. C
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【单选题】
25. _______ are you going to the School Uniform Exhibition, Amy ? To learn about different styles of school uniform. A. What B. Where C. Which D. Why
A. A
B. B
C. C
D. D
【单选题】
( ) 26. Where does the writer of "The little Prince" come from? A.England. B.France. C.America. D.China.
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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 prince
A. A
B. B
C. C
D. D
【单选题】
( ) 29. 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.
A. A
B. B
C. C
D. D
【单选题】
( ) 30. 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.
A. A
B. B
C. C
D. D
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