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  • 1. 阅读下面短文,在空白处填入一个适当的词,或填入括号中所给单词的正确形式(最多限填3个单词)。

        What will the car be in the future? Maybe we can sit in a car can drive itself.

        About 40 years ago, scientists from the United States started to develop self-driving cars(无人驾驶汽车). The (famous) recent one was made Google in 2009.There are cameras and radars(雷达) on the top of the car. They allow the computer in the car (draw) a 3D map of the environment. Chinese scientists have also (success) developed a self-driving car. The car made a t trip from Changsha to Wuhan.

        Is a self-driving car (safety)? Yes, a recent study shows that robots make less dangerous drivers than (human). If only 10%of cars on the street are self-driving, 1, 000 people will be saved every year. If 90%of vehicles(交通工具) are self-driving, they will save 21, 700 people a year. , a self-driving car is expensive and each costs about $100, 000.So is impossible to be very popular in the near future.

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