【英语时差8，16】手机危害
时间：2015-10-19 05:56:30
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（单词翻译）
In this Moment of Science Don and Yael discuss more evidence of the dangers of talking on cell phones--hands-free or not--while driving. D: It's time for a new feature on our show, called I Got the Data. This is where I say something that a smart-alec at a party would no doubt disagree with, and then I triumph by having data to back it up. Yael will play the smart-alec. Ready?
Y: Ready.
D: Nice party, huh? I love these chips.
Y: Mmm-hmm.
D: You know, on the way over here I saw this guy talking on a cell phone while driving. That's got to be dangerous.
Y: No it isn't. Only
idiots1 can't drive and talk at the same time.
D: But your hands are off the wheel.
Y: I got one of those no-hands cell phones you can
mount2 in a car. Don't believe what anybody says. They're completely safe.
D: Unfortunately for you, smart-alec, I Got the Data.
Y: You what?
D: A study done by a psychologist and an engineer at the University of Rhode Island had volunteers wear eye-tracking devices while they drove. The researchers found that a driver's eyes move around a lot--we
scan3 the road, check our speedometers, and stay
alert4 for surprises. When talking on a cell phone at the same time, though, eye motions fell to almost zero--the subjects simply stared at the
bumper5 ahead of them.
Y: Yeah?
D: The issue seems to be not talking on the phone per se but concentrating on a second task, such as making a decision with the person on the other end of the line. When we do that, we take our mental energy away from driving. And that's dangerous!
Y: I knew that.
D: Mmm-hmm.
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