【判断题】
车体结构轻量化是动车组主要技术。
A. 对
B. 错
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答案
A
解析
暂无解析
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【判断题】
高速列车车体设计必须在满足现代车辆的设计规范规定的条件下予以综合协调和优化。在车体设计中必须考虑车体强度;车体刚度;车体自振频率;车体的耐碰撞安全防护;结构轻量化。
A. 对
B. 错
【判断题】
高速列车车体设计必须在满足现代车辆的设计规范规定的条件下予以综合协调和优化。在车体设计中必须考虑车体强度;车体刚度;车体自振频率;车体的耐碰撞安全防护;车体密封。
A. 对
B. 错
【单选题】
依据《中国南方电网有限责任公司电力安全工作规程》,电气设备变位操作后,应对()进行核对并确认。无法观察实际位置时,可通过间接方式确认该设备已操作到位。___
A. 压力值
B. 位置变化
C. 声光信号
【单选题】
依据《中华人民共和国消防法》,消防工作贯彻( )的方针,按照政府统一领导、部门依法监管、单位全面负责、公民积极参与的原则,实行消防安全责任制,建立健全社会化的消防工作网络。___
A. 以防为主,防消结合
B. 预防为主,防消结合
C. 专门机关与群众相结合
D. 以防为主,以消为辅
【单选题】
依据《中国南方电网有限责任公司电力安全工作规程》,硬质梯子的横档应嵌在支柱上,梯阶的距离不应大于40cm,并在距梯顶()处设限高标志。___
A. 0.5m
B. 0.7m
C. 0.8m
D. 1.0m
【单选题】
依据《中国南方电网调度运行操作管理规定》规定,一、二次设备操作前,()和待接收调度命令的运行值班员应相互核实一、二次设备状态。___
A. 工作负责人
B. 值班负责人
C. 值班调度员
【单选题】
依据《电力建设安全工作规程》(架空电力线路部分),在基础工程施阶段,土方开挖过程中作业人员上下基坑时应有可靠的扶梯,不得相互拉拽、攀登挡土板支撑上下,作业人员( )在基坑内休息。___
A. 可以
B. 不得
C. 短时间内
【单选题】
依据《中国南方电网有限责任公司电力安全工作规程》,在电缆通道内不应使用大型机械开挖沟槽,硬路面面层破碎可使用小型机械设备,但应有专人监护,不得()。若要使用大型机械设备时,应履行相应的报批手续。___
A. 深入土层
B. 上级报批
C. 防止电缆带电
【单选题】
依据《中国南方电网有限责任公司电力安全工作规程》,电缆试验前后以及更换试验引线时,应对被试电缆(或试验设备)充分放电,作业人员应戴___。
A. 面罩
B. 护目镜
C. 绝缘手套
【单选题】
依据《中国南方电网有限责任公司电力安全工作规程》,一级动火工作票的有效期为()h,二级动火工作票的有效期为()h。动火作业超过有效期,应重新办理动火工作票。___
A. 24、48
B. 48、120
C. 24、120
D. 48、72
【单选题】
依据《中国南方电网有限责任公司电力安全工作规程》,末级工作许可人在向工作负责人发出()的命令前,应将工作班组名称、工作负责人姓名、工作地点、工作任务和联系电话做好记录。___
A. 许可工作
B. 可以操作
C. 操作指令
D. 工作任务
【单选题】
依据《中国南方电网有限责任公司电力安全工作规程》,在厂站内10kV工作地点与带电设备距离1米的场所中工作,此时应选用哪类工作票:___
A. 一种
B. 二种
C. 三种
D. 抢修工作票
【单选题】
依据《中国南方电网有限责任公司电力安全工作规程》,10kV同杆塔多回线路中部分线路停电检修,作业安全距离是。___
A. 0.5m
B. 0.7m
C. 0.8m
D. 1.0m
【单选题】
依据《电力建设安全工作规程》(架空电力线路部分),停电作业施工结束后,现场施工负责人应对现场进行全面检查,待( )撤离杆塔后方可命令拆除停电线路上的工作接地线。___
A. 全部施工人员
B. 所用的工具、材料
C. 全部施工人员和所用的工具、材料
【单选题】
依据《中国南方电网有限责任公司电力安全工作规程》,需锚固杆塔维修线路时,应保持锚固拉线与10kV及以下、35kV、110kV、500kV带电导线的安全距离应符合___。
A. 0.7m、2m、4m、6m
B. 1m、2.5m、3m、6m
C. 1.5m、3m、4m、6m
D. 2m、4m、5m、6m
【单选题】
依据《中国南方电网有限责任公司电力安全工作规程》,配电变压器柜的柜门应有()的措施,新设备应安装防止误入带电间隔闭锁装置。___
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B. 防止误碰带电设备
C. 防止反送电
【单选题】
依据《电力建设安全工作规程》(架空电力线路部分),对于临时性货运索道运输的施工作业,电气设备、索道和金属支撑架等均应可靠___。
A. 接地
B. 连接
C. 接零
D. 固定
【单选题】
依据《中国南方电网有限责任公司电力安全工作规程》,整体立、撤杆塔前应进行全面检查,确保各受力、连接部位全部合格方可起吊。立、撤杆塔过程中,吊件垂直下方、受力钢丝绳的()禁止有人。杆塔起立离地后,应对杆塔进行冲击试验,对各受力点处作一次全面检查,确无问题,再继续起立;杆塔起立60°后应减缓速度,注意各侧拉绳。___
A. 内角侧
B. 外角侧
C. 引线侧
【单选题】
依据《电力建设安全工作规程》(架空电力线路部分),施工现场乙炔气瓶的存放和保管遵守下列规定:施工队、同一作业点的存放量一般不超过___瓶。
A. 2
B. 4
C. 5
D. 6
【单选题】
依据《电力建设安全工作规程》(架空电力线路部分),附着式外拉线抱杆分解组塔作业,升降抱杆过程中,( )临时拉线应由拉线控制人员根椐指挥人的命令适时调整。___
A. 四侧
B. 前后
C. 左右
D. 上下
【单选题】
依据《电力建设安全工作规程》(架空电力线路部分),电缆敷设过程中,新旧电缆对接,锯电缆前应与图纸核对是否相符,并使用专用仪器确认电缆无电后,用接地的带绝缘柄的铁钎钉入电缆芯后,方可工作。扶柄人应戴绝缘手套、站在绝缘垫上,并采取防( )措施。___
A. 烧伤
B. 电击
C. 触电
D. 灼伤
推荐试题
【单选题】
Tom is a book lover. ______ likes reading very much.
A. He B. She C. You D. It
A. A
B. B
C. C
D. D
【单选题】
—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
B. B
C. C
D. D
【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
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【单选题】
4. —___________ is the Summer Palace from here?
About three kilometers away. You can take the No. 35 bus.
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【单选题】
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【单选题】
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A. A
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【单选题】
7. She ______ very hard since she came to our school.
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A. A
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【单选题】
8. — Who will send you to the new school, your mom or your dad?
— _______. Ill go there by myself.
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【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
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【单选题】
10. —I’m going to Flower Bookstore. Could you tell me ______?
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【单选题】
11. How do you like the dishes, Eric?
— Fantastic! Nothing tastes ________.
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【单选题】
12. ______ Lin Feng has to work late, she always wears a smile on her face.
A. Because B. If C. Until D. Though
A. A
B. B
C. C
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【单选题】
13.You can save money _______ you buy cheaper things.
A. before B. unless C. if D. until
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【单选题】
14. We will have a _________ holiday after the exam.
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A. A
B. B
C. C
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【单选题】
15. —We will build an underground in Xuzhou before 2015.
— Wow, _______! Will it pass our place?
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【单选题】
16. — Emily, here’s a dictionary.I hope it will help you in some way.
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【单选题】
17. —Oh.I’m hungry.Mum, can I have the hamburger on the plate?
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A. terribly B. terrible C. good D. well
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【单选题】
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
A. A
B. B
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【单选题】
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
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A. A
B. B
C. C
D. D
【单选题】
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
A. A
B. B
C. C
D. D
【单选题】
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
A. A
B. B
C. C
D. D
【单选题】
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
【单选题】
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
D. D
【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
【单选题】
( ) 31. 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.
A. A
B. B
C. C
D. D
【单选题】
( ) 32. 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
A. A
B. B
C. C
D. D
【单选题】
( ) 33. Why did Natalie Smith pay for the six cars behind her?
A. She had seven tickets.
B. She hoped to please others.
C. She knew the car drivers well.
D. She wanted to show kindness.
A. A
B. B
C. C
D. D
【单选题】
( ) 34. Judy Foreman copied down the phrase because she ___ .
A. thought it was beautifully written
B. wanted to know what it really meant
C. decided to write it on a warehouse wall
D. wanted her husband to put it up in the classroom
A. A
B. B
C. C
D. D
【单选题】
( ) 35. Who came up with the phrase according to the passage?
A. Judy Foreman. B. Natalie Smith. C. Anne Herbert D. Alice Johnson.
A. A
B. B
C. C
D. S
【单选题】
( ) 36. What can we infer from the last paragraph?
A. People should practice random kindness to those in need.
B. People who receive kindness are likely to offer it to others.
C. People should practice random kindness to strangers they meet.
D. People who receive kindness are likely to pay it back to the giver.
A. A
B. B
C. C
D. D
【单选题】
( ) 37.The greatest river for navigation is ___________.
A. the Nile B. the Amazon C. the Mekong D. the Mississippi
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D
【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
A. A
B. B
C. C
D. D