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Motoring Technology Travelling at speed has always been dangerous.One advanced area of research in motoring safety is the use of digital in-car assistants.They can ensure you dont miss important road signs or fall asleep.Most crashes result from human and not mechanical faults. And improvements to seat belts,pedalcontrols and tyres are making driving smoother and safer.The colour of a car has been found to be linked with safety,as have,less surprisingly,size and shape. Accidents cause many traffic jams,but there are more subtle interplays between vehicles that can cause jams even on a clear but busy road.Such jams can be analyzed using statistical tools.Robotic drivers could be programmed to make traffic flow smoothly and will perhaps one day be everyonss personal chauffeur,but their latest efforts suggest that wont be soon. A.design fully automatic cars. C.analyze road deaths occurring worldwide each year. 2.According to the second paragraph,most road accidents happen due to B.human mistakes. D.bad weather. A.Windscreens that can help drivers to improve their vision. C.Devices that can help drivers to see through big vehicles. 4.Satellite tracking and remote communication systems cna be used to B.remove the obstacles on the road. D.help drivers get out of a traffic jam. A.It will take some time before robotic drivers are available. C.Robotic drivers can never replace human drivers. 参考答案：D、B、A、C、A | 
