单选题
公共英语四级
2018-03-04
Wearing a seat belt in a vehicle__________．
A．reduces road accidents to more than a half
B．saves lives while driving at a speed up to 30 miles per hour
C．reduces the death rate in traffic accidents
D．saves more than 15，000 lives each year
参考答案
C
答案解析
在车上系安全带：reduce your chance of death or serious in-jury by more than a half系安全带可以减少50％的死亡率或重伤几率。选项A：不是公路事故而是死亡率或重伤几率。选项B：以30公里／小时开车时能挽救人的生命。与文章不符，本文是说30公里／小时以上必须系安全带。选项D：每年挽救15，000人的生命。
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