研究生英语综合教程上八单元课件.pptVIP

The Hidden Danger of Seat Belts;1、The risk is not a set number.;In everyday life, risk is a moving target, not a set (固定的)number as statistics might suggest. ;In addition to external factors, each individual has his or her own internal comfort level with risk- taking（冒险）. Some are daring while others are cautious（谨慎的）by nature. And still others are fatalists（宿命论者）who may believe that a higher power devises mortality（死亡 率）schedules that fix a predetermined (预先确定) time when our number is up. Consequently, any single measurement assigned to the risk of driving a car is bound to be only the roughest（粗略的） sort of benchmark.;assign vt.A 指派、委派 B 分配 C 把…归因于 D 指定 ;be bound to 很有可能，肯定会;benchmark n.基准 e.g. The valuation becomes a benchmark against which to judge other prices. ;亚当斯引用了这样的统计事实作例子：青年男子发生严重撞车???故的可能性比中年妇女高100倍。同样，在星期天凌晨3点钟驾车的人比同一天上午10点钟驾车的人死亡风险高出100多倍，有人格障碍的人比一般人死亡风险高10倍。;亚当斯说，假如这个人还喝醉了，汇总所有这些因素并分别加以考虑，就会得到一个具有统计性的预测：一位心理失常又喝醉酒的青年男子在午夜驾车，7个小时后一位头脑清醒的中年妇女驾车去教堂，前者发生严重交通事故的概率比后者高270万倍。;disterbed adj. 扰乱的；混乱的 骚动的；忧虑的 有精神病的disterb vt./vi. 打扰 妨碍 vt. 使焦虑；使恼怒;sober;In everyday life, risk is a moving target, not a set number as statistics might suggest. ;And still others are fatalists who may believe that a higher power devises mortality schedules that fix a predetermined time when our number is up. ;Consequently, any single measurement assigned to the risk of driving a car is bound to be only the roughest sort of benchmark.;The end,thank you!