各位高手帮忙解答一下啊 不确定的说明一下 如果确定是准确答案也说明一下啊 谢谢了!

各位高手帮忙解答一下啊 不确定的说明一下 如果确定是准确答案也说明一下啊 谢谢了!
Life in the year of 2050 will be different from life today. Between then and now many changes will take place, but what will the changes be?
The population is growing fast. There will be many people in the world and most of them will live longer than people live now.
Computers will be much smaller and more useful, and there will be at least one in every home. And computer 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 travel. Traveling will be much cheaper and easier. And many more people will go to other countries for holidays.
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. Instead they will eat more fruit and vegetables. Maybe people will be healthier.
Work in the future will be different, too. Dangerous and hard work will be done by robots. Because of this, many people will not have enough work to do. This will be a problem.
（ ）56. In the year of 2050 people don’t’ have to ___________.
A. work long hours B. work fast C. walk on foot
（ ）57. People may not eat ___________as much as they do today.
A. fruit B. fish C. meat
（ ）58. One big problem in the future is that ___________.
A. many people don’t have to work
B. many people will not be able to find work
C. all the work will be done by robots
（ ）59. Every family will have at least one __________ in the next century.
A. robot B. cow C. computer
（ ）60. In the future ____________.
A. computers will be much smaller.
B. computers will be less important
C. people will be too busy to do sports.