【单选题】
CRH380A统型动车组拖车每条轮对上有两个制动轮盘，轴盘安装
A. 动车车轴
B. 拖车车轴
C. 动车或者拖车
D. 部分动车
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答案
B
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相关试题
【单选题】
CRH5型动车组动力转向架有1根动力轴和1根非动力轴，而非动力转向架有 。
A. 2根动力轴
B. 2根非动力轴
C. 1根动力轴和1根非动力轴
D. 2根动力轴和1根非动力轴
【单选题】
型动车组转向架踏面清扫装置的目的是改善轮轨接触面黏着条件，清除车轮踏面附着的油污及污垢，保持稳定的黏着性能。
A. CRH1A
B. CRH380A统
C. CRH380B
D. CRH5
【单选题】
CRH380A统型动车组转向架踏面清扫装置的目的是改善轮轨接触面黏着条件，清除车轮踏面附着的油污及污垢， 。
A. 减少轮轨磨损
B. 减少空气阻力
C. 增加牵引功率
D. 保持稳定的黏着性能
【单选题】
动车组转向架的动力学性能包括以下几个方面内容: 、走行安全性、舒适性、曲线通过性能。
A. 高速运行稳定性
B. 电机受流运行稳定性
C. 空簧充气稳定性
D. 电机变压稳定性
【单选题】
拖车转向架由配置在2.8轴端的速度传感器AG37和4.6轴端的速度传感器AG43来获得检测滑行用的速度信号。
A. CRH1A型动车组
B. CRH380A统型动车组
C. CRH380B型动车组
D. CRH5型动车组
【单选题】
CRH380A统型动车组轴箱端盖处共安装4种速度传感器: 、AG43型、GEL247V型、 HS22G1A型。
A. AG37型
B. AG47型
C. AG57型
D. AG67型
【单选题】
CRH380A统型动车组轴箱端盖处共安装4种速度传感器:AG37型、 、GEL247V型、 HS22G1A型。
A. AG33型
B. AG43型
C. AG53型
D. AG63型
【单选题】
CRH380A统型动车组轴箱端盖处共安装4种速度传感器:AG37型、AG43型、 、HS22G1A型。
A. LKJ1000型
B. ATP2000型
C. GEL247V型
D. GElV型
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C. C
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【单选题】
( ) 26. Where does the writer of "The little Prince" come from?
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A. A
B. B
C. C
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【单选题】
( ) 27. What does the prince do after the fox tells him a secret?
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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．
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A. A
B. B
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【单选题】
( ) 28. What does "The little Prince" mainly talk about? It' s about _________．
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A. A
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【单选题】
( ) 29. What is the writer's main purpose（目的）in writing this passage？
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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？
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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？
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A. A
B. B
C. C
D. D
【单选题】
( ) 33. It’s good for children to ________ on the Internet.
A. give password to others
B. go into a chat room as they’d like to
C. give out a credit card number
D. get useful knowledge and information
A. A
B. B
C. C
D. D
【单选题】
( ) 34. The underlined phrase “leak out” in the third paragraph may mean “________.”
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【单选题】
( ) 35.If your parents don’t agree, never ________.
A. read anything on the Internet
B. relax in your free time
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D. treat other people as you’d like to be treated
A. A
B. B
C. C
D. D
【单选题】
( ) 36. This passage is mainly about “________”.
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A. A
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【单选题】
( ) 37. When was canned food invented?
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A. A
B. B
C. C
D. D
【单选题】
( ) 38. After the trip to the Arctic, Clarence Birdseye invented ____________.
A. canned food B. can openers
C. frozen food D. air conditioning
A. A
B. B
C. C
D. D
【单选题】
( ) 39 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
A. A
B. B
C. C
D. D
【单选题】
( ) 40. 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.
A. A
B. B
C. C
D. D
