1 . 语法填空
What will our cities be like in 2050? How much will artificial intelligence advance? Some scientists 1 (make) different predictions recently.
Joel E.Cohen from the The Rockfeller University says 2 is likely that by 2050 the majority of the people in the world will live in urban areas, and will have a 3 (significant) higher average age than people today. Cities will be 4 only realistic solution to housing a population that is expected to expand 5 9.7 billion by 2050.
And the technology will keep 6 (advance) rapidly. According to Bill Michell, the late director of MIT Media Lab’s Smart Cities research group, cities of the future won’t look like “some sort of science-fiction fantasy” or “Star Trek” ,but virtual reality will change 7 we live. Self-driving cars will make the roads 8 (secure), driving more efficient, and provide faster transport.
Charles Ebinger at the Brookings Institution thinks that by 2050 we will also have a so-called “smart grid” where all of our 9 (appliance) are linked directly to energy distribution(分布) systems, 10 (allow) for real-time pricing based on supply and demand. Such a technology would greatly benefit most people and reduced the consumption(消耗) of fossil fuel energy.