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Directions: In this section, there is a passage with blanks. You are required to select one word for each blank from a list of choices given in a word bank following the passage. You may not use any of the words in the bank more than once. Driverless vehicles, otherwise known as autonomous, automated or self - driving cars, are no longer science fiction. The technology is here. Google is at the __46__ of testing driverless cars. The safety benefits are __47__ from the Deep - Green Challenge to reduce vehicle crashes, so far it has incorporated the best technological __48__ into its design at every phase since 2009. A driverless car is a vehicle that is capable of sensing its environment and navigating without human __49__. Many tech companies are now looking to __50__ initiatives for the technology's capability. A driverless car needs to have sensors to understand its physical surroundings and __51__ data. It __52__ and chooses routes, such as, the speed limit, road work or traffic jams from the information gathered. Assuming the various autonomous driving features are safer than relying on driver experience and __53__, automobile insurance costs will decline. But the sensors, cameras and complex software providing autonomous driving are far more expensive to replace and repair. Also, these autonomous driving features __54__ make vehicles costs now rise. What if the Internet shuts down or hackers attack traffic control systems? When there's poor GPS coverage — the map, or the car can't navigate? Last year a European research project, RoboLaw, was created to __55__ such a legal challenge and will deliver its guidelines on regulations to the European Commission in the spring. The question is whether it's time to deal with the issue without holding companies back from developing the technology.
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