高考英语 阅读理解系列训练（19）.doc

2014 高考英语阅读理解系列训练( 19 )及答案解析第三部分阅读理解( 共两节,满分 40分) 第一节(共 15 小题;每小题 2 分,满分 30分) 阅读下列短文,从每题所给的四个选项(A、B、C和 D) 中,选出最佳选项。 A (2012 · 北京西城期末改编) Traffic Management Traffic lights are key tools for regulating traffic are not , however , the traffic jams that would happen at unmanaged crossings for a pattern of stop - go movement that can still be annoying , and which burns more fuel than a smooth passage. Creating such a smooth passage means adjusting a vehicle's speed so that it always arrives at the lights when they are is theoretically possible , but practically signs wired to traffic lights can help get the message across a couple hundred metres from a crossing , but such signs are expensive , and are not Martonosi and Emmanouil Koukoumidis at Princeton University , and Li- Shiuan Peh at the Massachusetts Institute of Technology , however , have an idea that could make the process cheaper and more ofa work of signs , they propose to use mobile phone applications. For a driver to benefit , he must load the team's software , named SignalGuru , into his phone and then put it ona special thing attached to the inside of his car's windscreen , with the camera lens( 镜头)pointing is designed to detect traffic lights and track their status as red , yellow or broadcasts this information to other phones in the area that are fitted with the same software , and — if there are enough of them — the phones thus each know the status of most of the lights around this information , SignalGuru is able to calculate the traffic - light schedule for the area and suggest the speed at which a driver should travel in order to avoid red lights. Tests in Cambridge , Massachusetts , where five drivers were asked to follow the same route for three hours , and in Singapore , where eight drivers were asked to follow one of two routes for 30 minutes , revealed that SignalGuru was c