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Self-driving cars(自動駕駛)are believed to be the future of driving.Many companies are competing to be the first to bring them to market.
   However,carmakers need to s(1)
olve
olve
one problem first:How driverless cars communicate with passers-by(行人),bikers and other drivers?
   Most drivers today use gestures to show their p(2)
urposes
urposes
.They wave a car into a lane (車道),or nod at passers-by and cyclists,to let them c(3)
ross
ross
the street.But self-driving cars don't have this ability.What can they do?US maker Ford and its partner Virginia Tech(弗吉尼亞理工學院)think they have the answer.
   The team is testing a method that use l(4)
ights
ights
to show what self-driving cars are doing.For e(5)
xample
xample
,if a driverless car is yielding(讓路),it can flash two white lights side to side.A white light tells there are no humans in the car.A slow blinking light shows the car is coming to a stop.A rapidly flashing light tells passers-by that the car is about to speed up.
   To test the method on r(6)
eal
eal
roads,the team designed a special suit that looks exactly like a car seat.When a driver wears it,it appears to people that the car is really driverless.
   The team then successfully got more than 1,500 hours of data(數據)after a(7)
bout
bout
2,900 kilometers of "self-driving" through busy cities.The data r(8)
ecorded
ecorded
how people interacted with a driverless car.
   Ford says they plan to s(9)
hare
hare
the data with 11 other companies.The company wants to work with other carmakers to design a signaling system that would be understood b(10)
y
y
all the people.

【考點】說明文;科普知識
【答案】olve;urposes;ross;ights;xample;eal;bout;ecorded;hare;y
【解答】
【點評】
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發(fā)布:2024/4/20 14:35:0組卷:51引用:1難度:0.5
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