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 game 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.

　　45. 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.

　　45. 一般性最后一体都会问到主旨大意，作者的观点等等，要做好这一题，我们要继续往后看，6、7两段点出了文章的主题思想。The game between humans and their smart devices is amusing and complex . 是人与科技之间的游戏是复杂的，所以文章讲的是人类与科技之间的关系。

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