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科学美国人60秒 SSS Self-Driving Cars Probably Won't Boost Commuter Productivity

时间:2017-03-06 06:34来源:互联网 提供网友:nan   字体: [ ]
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Advocates for self-driving cars love to tout1 the benefits the cars would bring, such as fewer accidents and less congestion2. Another alleged3 value of being a passenger rather than a driver is more productivity—you could work rather than concentrate on driving. But most people might not spend their newfound free time in self-driving cars whittling4 down their to-do lists. 

That’s according to a study by Michael Sivak and Brandon Schoettle at The University of Michigan’s Sustainable Worldwide Transportation program. [Michael Sivak and Brandon Schoettle, Would Self-Driving Vehicles Increase Occupant Productivity?]

The researchers surveyed people in the U.S., Australia, China, India, Japan and the U.K. And about 62 percent of respondents said self-driving cars would not make them more productive. For one thing, 23 percent of the group said they won’t ride in a self-driving car in the first place. And then there are the people who get motion sickness—they obviously can’t work. Plus, another 36 percent said they’d be too concerned to do anything but watch the road.  

The researchers also noted5 that most trips average 19 minutes—not really long enough to get anything truly substantial done. Or to catch some quality zzzzz’s.  

Of course, the level of apprehension6 people experience in self-driving cars , or about getting into them, may change in the long-run. But this study is another reminder7 that there’s still a lot to be figured out before automatic autos rule the roadways.

—Erika Beras


点击收听单词发音收听单词发音  

1 tout iG7yL     
v.推销,招徕;兜售;吹捧,劝诱
参考例句:
  • They say it will let them tout progress in the war.他们称这将有助于鼓吹他们在战争中的成果。
  • If your case studies just tout results,don't bother requiring registration to view them.如果你的案例研究只是吹捧结果,就别烦扰别人来注册访问了。
2 congestion pYmy3     
n.阻塞,消化不良
参考例句:
  • The congestion in the city gets even worse during the summer.夏天城市交通阻塞尤为严重。
  • Parking near the school causes severe traffic congestion.在学校附近泊车会引起严重的交通堵塞。
3 alleged gzaz3i     
a.被指控的,嫌疑的
参考例句:
  • It was alleged that he had taken bribes while in office. 他被指称在任时收受贿赂。
  • alleged irregularities in the election campaign 被指称竞选运动中的不正当行为
4 whittling 9677e701372dc3e65ea66c983d6b865f     
v.切,削(木头),使逐渐变小( whittle的现在分词 )
参考例句:
  • Inflation has been whittling away their savings. 通货膨胀使他们的积蓄不断减少。 来自《简明英汉词典》
  • He is whittling down the branch with a knife to make a handle for his hoe. 他在用刀削树枝做一把锄头柄。 来自《简明英汉词典》
5 noted 5n4zXc     
adj.著名的,知名的
参考例句:
  • The local hotel is noted for its good table.当地的那家酒店以餐食精美而著称。
  • Jim is noted for arriving late for work.吉姆上班迟到出了名。
6 apprehension bNayw     
n.理解,领悟;逮捕,拘捕;忧虑
参考例句:
  • There were still areas of doubt and her apprehension grew.有些地方仍然存疑,于是她越来越担心。
  • She is a girl of weak apprehension.她是一个理解力很差的女孩。
7 reminder WkzzTb     
n.提醒物,纪念品;暗示,提示
参考例句:
  • I have had another reminder from the library.我又收到图书馆的催还单。
  • It always took a final reminder to get her to pay her share of the rent.总是得发给她一份最后催缴通知,她才付应该交的房租。
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TAG标签:   科学美国人60秒  英语听力  sss
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