perspirationn.出汗 activatev.使活动,使激活5dAF7bC:dp
练习:
A It has a sensor system that could issue a warning if the driver is drunk.
C It has sensors locked up in the ignition system.
2. What has Volvo developed?
B A breathalyzer attached to a cars seat belt.
D An intelligent engine.
A It monitors the drivers eyes to see if he needs a rest.
C It judges if the driver wants to take a rest.
4. According to Doi,
B Nissan is making a timetable to market the detection system.
D Nissan aims to improve the detection technology to reduce the fatality rate.
A An external camera checks that the car is going properly.
C The seat belt will tighten when the driver is found drowsy.
答案与题解:
2. B 短文第三段告诉我们,沃尔沃公司也发明了一种相类似的酒精检测装置,安装在保险带上。所以B是正确选择。
4. D 短文第五段说,这种监测技术仍然在发展之中,使用不同的监测系统应能改进这项技术的整体有效性,所以A和C都不是正确选择。该段的最后一句说,日产公司并不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到2015年将日产车的事故率年减少到 1995年的一半。所以B也不是正确选择,只有D表达了Doi的意思。
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