A commercial­available bicycle is expected to be on the market in the next two years and should sell for between 1,700 euros to 3,200 euros per bicycle. It weighs about 55 pounds but researchers are working on making the on­board systems smaller.

　　“Accidents often happen when cyclists look behind them or get a fright when they are passed at high speed，”said Maurice Kwakkernaat, one of the scientists involved in the project, “The on­board system technology has already been at work in the automotive industry.”

　　“More and more elderly people are using a bicycle, not only for short distances, but also for longer distances，”Dutch Environment Minister Melanie Schultz van Haegen said.“This type of bicycle is truly needed in the Netherlands because it will help us bring down the number of elderly people who are injured every year and allow them to continue enjoying cycling，” she said.

　　语篇解读：本文是一篇说明文。文章介绍了荷兰在星期一推出的首辆“智能自行车”及其功能和优势。

　　5．What does the text mainly talk about?

　　A．The newly­invented bicycle can warn of danger.

　　B．The intelligent computer runs on electricity.

　　C．More elderly people enjoy electronic devices.

　　D．The means of transportation in the Netherlands.

　　解析：选A　主旨大意题。根据第一段内容“The Netherlands on Monday launched ... in this country.”可知，荷兰在星期一推出了首辆“智能自行车”，这种自行车配备了一套电子设备，用来帮助降低该国老年骑车者的高事故发生率。故选A。

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