However, misplaced politeness can also be dangerous. A typical example is the driver who waves a child crossing the street at a wrong place into the path of oncoming cars that may not be able to stop in time. The same goes for encouraging old ladies to cross the road wherever and whenever they want to.

　　An experienced driver, whose manners are faultless, told me it would help if drivers learnt to correctly join in a traffic stream without causing total blockages that give rise to unpleasant feelings. Unfortunately, modern drivers can't even learn to drive, let alone master the roadmanship (公路驾车技能). Years ago, experts warned us that the fast increase of the car ownership would demand more give­and­take (互谅互让) from all road users. It is high time for all of us to take this message to heart.

　　语篇解读：本文是一篇议论文。主要讨论了行车礼貌的问题。

　　13．The passage mainly talks about ________.

　　A．traffic jams

　　B．good manners

　　C．road politeness

　　D．modern drivers

　　解析：选C　主旨大意题。根据全文的整体内容可知，本文主要讨论了驾驶员行车礼貌的问题，故选C项。

　　14．Troubles on the road are often caused by ________.

　　A．traffic jams

　　B．the behavior of the drivers

　　C．the great speed of modern life

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