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  3. 共用题干 An Intelligent CarDriving needs sharp eyes, keen ears, quick brain, and...

共用题干 An Intelligent CarDriving needs sharp eyes, keen ears, quick brain, and...

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问题 共用题干
An Intelligent Car

Driving needs sharp eyes, keen ears, quick brain, and coordination（协调）between
hands and the brain.Many human drivers have all_________(1)and can control a fast
-moving car. But how does an intelligent car control itself?
There is a virtual（虚拟的）driver in the smart car. This virtual driver has "eyes",
"brains","hands"and"feet",too.The minicameras_________(2)each side of the
car are his"eyes",which_________(3)the road conditions ahead of it.They watch
the_________(4)to the car's left and right.There is also a highly automatic driving
_________(5)in the car. It is the built-in computer,which is the virtual driver's
"brain".His"brain"_________(6)the speeds of other moving cars near it and
analyzes their positions.Basing on this information,it chooses the_________(7)path
for the intelligent car,and gives instructions to the"hands"and"feet"to act accordingly.
In this way,the virtual driver_________(8)his car.
What is the virtual driver's best advantage?He reacts_________(9).The
minicameras are bringing_________(10)continuously to the"brain".It completes the
processing of the images within 100 milliseconds._________(11),the world's best
driver needs at least one second to react.Besides,when he takes_________(12),he
needs one more second.
The virtual driver is really wonderful.He can reduce the accident_________(13)
considerably on expressways（高速公路）.In this_________(14),can we let him have
the wheel at any time and in any place?Experts_________(15)that we cannot do that
just yet.His ability to recognize things is still limited.He can now only drive an intelligent
car on expressways.
选项 _________(9)
A:quickly
B:cleverly
C:virtually
D:safely
答案A
解析
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