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【简答题】

One evening in February 2007, a student named Paula Ceely brought her car to a stop on a remote road in Wales. She got out to open a metal gate that blocked her path. That's when she heard the whistle sounded by the driver of a train. Her Renault Clio was parked across a railway line. Seconds later, she watched the train drag her car almost a kilometre down the railway tracks. Ceely's near miss made the news because she blamed it on her GPS (导航仪). She had never driven the route before. It was dark and raining heavily. Ceely was relying on her GPS, but it made no mention of the crossing. "I put my complete trust in the device and it led me right into the path of a speeding train." she told the BBC. Who is to blame here? Rick Stevenson, who tells Ceely's story in his book When Machines Fail Us, points the finger at the limitations of technology. We put our faith in digital devices, he says, but our digital helpers are too often not up to the job. They are filled with small problems. And it's not just GPS devices: Stevenson takes us on a tour of digital disasters involving everything from mobile phones to wireless keyboards. The problem with his argument in the book is that it's not clear why he only focuses on digital technology, while there may be a number of other possible causes. A map-maker might have left the crossing off a paper map. Maybe we should blame Ceely for not paying attention. Perhaps the railway authorities are at fault for poor signalling system. Or maybe someone has studied the relative ers and worked out that there really is something specific wrong with the GPS equipment. But Stevenson doesn't say. It's a problem that runs through the book. In a section on cars, Stevenson gives an account of the advanced techniques that criminals use to defeat computer-based locking systems for cars. He offers two independent sets of figures on car theft; both show a small rise in some parts of the country. He says that once again not all new locks have proved reliable. Perhaps, but maybe it's also due to the shortage of policemen on the streets. Or changing social circumstances. Or some combination of these factors. The between humans and their smart devices is amusing and complex. It is shaped by economics and psychology and the cultures we live in. Somewhere in the mix of those forces there may be a way for a wiser use of technology. If there is such a way, it should involve more than just an awareness of the shortcomings of our machines. After all, we have lived with them for thousands of years. They have probably been fooling us for just as long. 小题1:What did Paula Ceely think was the cause of her accident? A.She was not familiar with the road. B.It was dark and raining heavily then. C.The railway workers failed to give the signal. D.Her GPS device didn't tell her about the crossing. 小题2: The phrase "near miss" (Paragraph 2) can best be replaced by ________. A.close hit B.heavy loss C.narrow escape D.big mistake 小题3:Which of the following would Rick Stevenson most probably agree with? A.Modern technology is what we can't live without. B.Digital technology often falls short of our expectation. C.Digital devices are more reliable than they used to be. D.GPS error is not the only cause for Ceely's accident. 小题4:In the writer's opinion, Stevenson's argument is ________. A.one-sided B.reasonable C.puzzling D.well-based 小题5:What is the real concern of the writer of this article? A.The major causes of traffic accidents and car thefts. B.The relationship between human and technology. C.The shortcomings of digital devices we use. D.The human unawareness of technical problems.

题目标签:导航仪
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参考答案:
举一反三

【单选题】GPS导航仪所显示的航迹偏差是指()。

A.
卫星船位到计划航线的垂距
B.
航迹向与计划航向的差值
C.
卫星船位与推算船位的距离
D.
卫星船位到推算船位的方向

【单选题】在GPS卫星导航系统中,GPS卫星导航仪定位误差的大小与下列_____因素有关876

A.
卫星几何图形
B.
锂电池寿命
C.
卫星轨道参数
D.
卫星几何图形与测距误差的大小

【单选题】为了消除电离层折射误差,GPS卫星导航仪 。

A.
只接收5°~85°的GPS卫星信号
B.
HDOP由操作者置于10
C.
接收1575.42MHz和1227.60MHz两种频率的GPS信号
D.
不在日出、没前后1小时内使用

【单选题】双频GPS卫星导航仪能测定与校正_______。

A.
电离层传播延时
B.
电离层传播延时与对流层传播延时
C.
对流层传播延时
D.
以上均不对
相关题目:
【单选题】GPS导航仪所显示的航迹偏差是指()。
A.
卫星船位到计划航线的垂距
B.
航迹向与计划航向的差值
C.
卫星船位与推算船位的距离
D.
卫星船位到推算船位的方向
【单选题】在GPS卫星导航系统中,GPS卫星导航仪定位误差的大小与下列_____因素有关876
A.
卫星几何图形
B.
锂电池寿命
C.
卫星轨道参数
D.
卫星几何图形与测距误差的大小
【单选题】为了消除电离层折射误差,GPS卫星导航仪 。
A.
只接收5°~85°的GPS卫星信号
B.
HDOP由操作者置于10
C.
接收1575.42MHz和1227.60MHz两种频率的GPS信号
D.
不在日出、没前后1小时内使用
【单选题】双频GPS卫星导航仪能测定与校正_______。
A.
电离层传播延时
B.
电离层传播延时与对流层传播延时
C.
对流层传播延时
D.
以上均不对
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