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  3. A concept car developed by Japanese company Nissan has a breathalyzer-like detection system and other instruments that could hel

A concept car developed by Japanese company Nissan has a breathalyzer-like detection system and other instruments that could hel

admin2022-06-17  8
问题     A concept car developed by Japanese company Nissan has a breathalyzer-like detection system and other instruments that could help keep drunk or over tired drivers off the road.
    The car’s sensors check odors inside the car and monitor a driver’s seat for traces of alcohol. An in-car computer system can issue an alert or even lock up the ignition system if the driver seems over-the-limit. The air odor sensors are fixed firmly and deeply in the driver and passenger seats, while a detector in the gear-shift knob measures perspiration from the driver’s palm.
    Other carmakers have developed similar detection systems. For example, Sweden’s Volvo has developed a breathalyzer attached to a car’s seat belt that drivers must blow into before the engine will start.
    Nissan’s new concept vehicle also includes a dashboard-mounted camera that tracks a driver’s alertness by monitoring their eyes. It will sound an alarm and issue a spoken warning in Japanese or English if it judges that the driver needs to pull over and rest.
    The car technology is still in development, but general manager Kazuhiro Doi says the combination of different detection systems should improve the overall effectiveness of the technology. " For example, if the gear-shift sensor was bypassed by a passenger using it instead of the driver, the facial recognition system would still be used," Doi says. Nissan has no specific timetable for marketing the system, but aims to use technology to cut the number of fatalities involving its vehicles to half 1995 levels by 2015.  
According to Doi, ______.
选项 A、the overall effectiveness of the detection technology has improved
B、Nissan is making a timetable to market the detection system
C、it is impossible to improve the overall effectiveness of the detection system
D、Nissan aims to improve the detection technology to reduce the fatality rate
答案D
解析 细节题。根据最后一段最后一句“Nissan has no specific timetable for marketing the system，but aims to use technology to cut the number of fatalities involving its vehicles to half1995 levels by 2015．”可知，尼桑公司并未明确准备将这种监测系统推向市场，但它的目标是使用这种技术将2015年日产车的死亡事故率减少到1995年的一半。故选D。
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