問題詳情：
In 2017, AlphaGo defeated Chinese player Ke Jie to become the world’s No 1, ending thousands of years of human dominance（控制）in the game. AlphaGo is an artificial intelligence（AI）Go-playing program.___16___
Artificial intelligence（AI）is usually defined as the science of marking computers do things that require intelligence when done by humans.___17___These include learning, reasoning, problem-solving, perception, and language-understanding.
___18___In fact we are increasingly depending. upon computer-based artificial intelligence. As Charlie Qrtiz said, head of AL at the Massachusetts-based software company Nuance Communication, “It has opened a window for us.”Smartphones, self-driving cars, intelligent robots，etc. are constantly coming into our life. According to a recent survey, half of the world’s AI experts believe human level machine intelligence will be achieved by 2040. This will open up huge possibilities for the enrichment of mankind, from tackling climate change and treating disease to labour- saving devices.
___19___Physicist Stephen Hawking last year warned that unless we take care, board games might be the least of it. “The development of full artificial intelligence could mean the end of the human race.”___20___They believe AlphaGo’s victory is a reminder of how fast the world is overcoming the obstacles in the way of AI, and its distribution in the world about us. Although there may yet be no evidence that computers will ever shake off their human masters, we should still treat these development with the humility and caution they deserve.
A. Other scientists have also expressed the concern.
B. Artificial intelligence has both advantages and disadvantages.
C. Defeating a human Go master is not the only thing AI can do.
D. Artificial intelligence will bring us disasters instead of benefits.
E. It was designed by an American Artificial intelligence company.
F. Not all experts hold the optimistic attitudes to the development of AI.
G. Research in AI has so far focused on some special fields of intelligence.
【回答】
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知識點：七選五題型
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