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3. Li Dong (play) this computer game twice last Sunday.

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Google and Toyota have worked together to create a new smart car. It can run on the road without a driver. It drives itself. The selfdriving car hasn't been on sale to the public,so we don't know how much it costs. Another thing most people want to know is whether it will be safe enough to run on the road.

The selfdriving car uses electricity as its power,and it can t drive very quickly —the top speed would be 25 miles per hour. It is actually controlled by a computer system in the car. The system keeps on collecting information by some video cameras inside the car and a LIDAR sensor (激光雷达传感器) on top of it. A computer processes the information and decides what to do. “The selfdriving car has only buttons for ‘go’ and ‘stop”so it’s very easy to use ,” an engineer of Google says. “And what’s more,it will make car accidents fewer and make the world a safer place. ” The selfdriving car has driven hundreds of thousands of miles in California,and it has only gotten into two accidents by human mistake.

According to CNN,selfdriving cars will also help to reduce the number of cars in big cities."Selfdriving cars would be able to send you to the workplace and then pick up another person instead of stopping in a parking lot. ”


() 31. We don't know the price of the selfdriving car because.

   A. it is on sale only in America   B. it isn't made for sale

   C. people can get it for free   D. it hasn’t been on sale to the public

() 32. The selfdriving car can collect information using.

① video cameras ② a computer ③a LIDAR sensor④ a computer system

   A. ①②     B. ①③   C. ①②③    D. ①②③④ 

() 33. According to CNN,selfdriving cars will.

   A. send us more quickly to the workplace

   B. lead to heavier traffic

   C. improve traffic condition in big cities

   D. carry more people than a normal car

() 34. We can infer from the passage that the selfdriving car would.

   A. be good for our environment   B. be very cheap

   C. not follow humans,order   D. be on sale quickly

() 35. Which is the best title for the passage?

   A. The best car in the world   B. A new selfdriving car

   C. How a selfdriving car works   D. A car invented by an American company

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