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Virtual Driver
Driving involves sharp eyes and keen ears, analyzing with a brain, and coordination between hands, feet and brain. A man has sharp eyes and keen ears, analyzes through his brain, and maintains coordination between his hands and brains. He can control a fast-moving car with different parts of his body. __________ (46) Apparently there isn&39;t anyone in the driver&39;s cab, but there is in fact a virtual driver. This virtual driver has eyes, brains, hands and feet too. The minicameras on each side of the car are its eyes and are responsible for observing the road conditions ahead of it as well as the traffic to its left and right. If you open the boot, you can see the most important part of the automatic driving system: a built-in computer. __________ (47) The brain of the car is responsible for calculating the speeds objects surrounding the car are moving at,analyzing their position on the road, choosing the right path, and giving orders to the wheel and the control system.<br>
In comparison with the human brain, the virtual driver&39;s best advantage is that it reacts quickly.<br>
__________ (48) However, it takes the world&39;s best racecar driver at least one second to react, and this doesn&39;t include the time he needs to take action.<br>
With its rapid reaction and accurate control, the virtual driver can reduce the accident rate on expressways considerably. In this case, is it possible for us to let it have the wheel at any time and in any place? __________ (49). With its limited ability to recognize things, the car can now only travel on expressways.<br>
The intelligent car determines its direction by the clear lines that mark the lanes clearly and recognizes vehicles according to their regular shapes. __________ (50). This being the case4,people still have high hopes about driverless cars, and think highly intelligent cars are what the cars ture should be like.<
第46题__________ 查看材料
A.Experts say that we cannot do that just yet
B.In the near future, intelligent cars will be put into commercial operation
C.This is the brain of the car
D.But how does an intelligent car control itself?
E.It completes the processing of the images sent by the cameras within 100 milliseconds
F.However, it cannot recognize moving people and bicycles on ordinary roads that have no clear markings on them
A.too⋯at
B.in⋯by
C.in⋯at
D.to⋯with
He broke off his habit of driving with a view __________(节省)on petrol.
Through the years he ______ sufficient money to buy a flat by driving taxi.
A.provided
B.increased
C.reassured
D.accumulated
听力原文:M: The taxi driver must have been driving too fast.
W: I don't think so. He crashed into the tree because he was trying not to hit a box that had fallen off the truck just ahead of him.
What did the woman say about the taxi driver?
A.He ran into a tree.
B.He ran into a truck.
C.He was driving too fast.
D.He hurt his back and head.
A.If he and his wife are interested in the business of the company.
B.The conditions of the car.
C.The couple's driving experience all their life.
D.Both B and C
A.A. keeps
B.B. kept
C.C. keep
D.D. have kept
Why does the speaker think the driving test is a terrible experience?
A.Government officers are hard to please.
B.The learner has to go through several tough tests.
C.The learner usually fails several times before he passes it.
D.The driving test usually lasts two months.
Driving can be very convenient, but can also cause many problems. Waiting in line at a red light, a driver may get impatient and decide just to drive right through it. If another car is coming from the other direction, there might be a terrible accident. Cutting another car off can make its driver angry, so that driver cuts off someone else. Pretty soon everybody is angry, and impatient.
Traffic accidents declare millions of lives every year worldwide. In Taiwan alone, over seven people are killed in accidents every day. The annual death rate (年死亡率) from traffic accidents in Taiwan is twice that of Japan.
To allow traffic to move smoothly and safely, everybody must follow the rules. Before you drive, learn all the traffic laws. That way of driving is safe, convenient and even fun!
第51题:The word “ convenient “ in the passage means ________.
[A] handy, easy to do
[B] that can be changed
[C] fond of drinking and merry-making
[D] carriages or other trucks
听力原文:M: The driver must have been driving too fast.
W: I don't think so. He crashed into the tree because he was trying to avoid a bicycle in front of him,
Q: What happed to the driver?
(18)
A.He was driving too fast2
B.He ran into a bicycle.
C.He hurt his back and his head.
D.He ran into a tree.