阅读理解。
Has your life changed a lot? What will happen in your life in the future? Life in the 21st century will be  different because many changes will take place,but what will the changes be?
The population is growing fast. There will be more and more people in the world and most of them will live longer than before. Computers will be much smaller and more useful, and there will be at least one in every home. And computer study will be one of the important
subjects in school.
People will work fewer hours than they did in the  20th century, and they will have more free time for  sports,watching TV and traveling. 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. 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 eat more vegetables and fruit. 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.

根据文章内容完成下面的短文。
The population is growing fast now. There will be_ 1   people in the 21st century. Most people will live   2   than before. Computers will  be   3   and they are easy to carry.People will have more  4 time for  traveling.And this is much   5   and   6    . As for food,meat will be more expensive because there will be  fewer sheep and cows,so people will eat   7   and   8    every day.They are   9   for health.Robots in  the future will do the   10   . work instead of man. Will  man be out of work in the future?
1. ________2. ________3. ________4. ________5. ________
6. ________7. ________8. ________9. ________10. ________

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