A. The author is not confident of the future of the service.
B. Zimride will open a company to test transportation apps.
C. Apps like Lyft may be widely used in the next generation.
D. The mobile app Lyft has been put into use nationwide.
【参考答案】56—60 DABCC
较难题目特训:科普知识类
Steven Spielberg's 2002 science-fiction thriller Minority Report produced a world where computers could read minds and predict the future. It seemed fanciful at the time, but fantasy is edging closer to fact.
On Jan. 3l, a team of scientist sat the UC Berkeley, led by Robert Knight programmed computers to decode (解码) brain waves and replay them as words. Five months earlier, another group of Berkeley scientists showed their colleagues short movies and used computers to play back in color what people saw.
These experiments are a big advance from 2006, when a French scientist first replayed images from a human mind, a black-and-white checkerboard pattern. The possibilities are great: a disabled person could “speak”; doctors could access the mind of a patient who fainted; you could rewatch your dreams on an iPad.There are, of course, equally dark side, such as the involuntary take out of information from the brain.
In spite of these breakthroughs,Jack Gallant, the neuroscientist who led the first Berkeley team, says current technology for decoding brain activity is still “relatively primitive.” The field is held back by its poor machinery, in particular the fMRI.
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