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托福听力练习-科学美国人60秒:敏感司机更安全

2017-02-08 17:03:15来源：科学美国人60秒

点击查看>>科学美国人60秒音频：敏感司机更安全

　　科学美国人60秒中英文翻译：敏感司机更安全

　　科学美国人60秒英文文本

　　Do you tend to get stressed out behind the wheel?

　　That might not be a bad thing.

　　Researchers have discovered that teenager drivers who have a high sensitivity to stress actually have lower rates of car accidents than their mellow friends.

　　Car crashes are the leading cause of death for teenagers, so teen driving is a legitimate public health issue that deserves a lot of study.

　　To create a stressful situation in the lab, scientists administered a math test to 40 teenagers, all of whom had recently gotten their drivers'licenses.

　　The researchers measured the teens'level of the stress hormone hormone cortisol after the math quiz.

　　The higher the cortisol level, the more sensitive an individual is to a pressurized situation.

　　The researchers then tracked the teens for 18 months.

　　And cameras mounted inside their cars documented their driving behavior.

　　Turned out that the teens who had a lower response to stress actually had higher rates of crashes and near crashes than did those with higher stress sensitivity.

　　Calm confidence can be a valuable attribute in some situations.

　　But behind the wheel perhaps the safer teen driver is just a bit jangled.

　　中文翻译请点击下一页

本文关键字: 科学美国人60秒 科学60秒下载 托福听力

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