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ing fast. There will be more people in the world and most of them will live longer than people live now. 訓(xùn)練案 Computers will be much smaller and more useful, and there will be at least one in every home. And puter studies will be one of the important subjects in schools then. People will work fewer hours than they do now and they will have more free time for sports, watching TV and traveling. 訓(xùn)練案 Traveling will be much cheaper and easier. There will be changes in our food, too. More land will be used for building new towns and houses for all the people. Then there will be less room for cows and sheep, so meat will be more expensive. Maybe no one will eat it every day. 訓(xùn)練案 Instead they will eat more fruit and vegetables. Work in the future will be different, too. Robots will do dangerous and hard work. Because of this, many people will not have enough work to do. That will be a problem. 訓(xùn)練案 ( )11. How many changes in