Life in the twenty-first century will be very 1 . Many changes will take place, but 2 will the changes be.
　　The population is growing 3 . There will be many 4 in the world and most of them will live 5 than people in the twentieth century.
　　Computers will be much smaller and 6 and there will be at least one in every 7 . And 8 studies will be one of the important subjects in school then.
　　People will work 9 and they will have more free time for sports, watching TV and travelling. 10 will be much easier and cheaper. And many more people will go to 11 countries for holidays.
　　There will be changes in our 12 , too. Maybe no one will eat meat every day, instead, they eat more fruit and vegetables. Maybe people will be 13 . Work in the future will be different, too. 14 and hard work can be done by robots. Because of this, 15 will not have enough work to do .This will be a problem.
　　1. A. interesting B. hard C. different D. beautiful
　　2. A. why B. how C. when D. what
　　3. A. slowly B. fast C. quietly D. suddenly
　　4. A. people B. workers C. scientists D. doctors
　　5. A. long B. longer C. happy D. lucky
　　6. A. more useful B. useful C. helpful D. less useful
　　7. A. hospital B. factory C. home D. town
　　8. A. science B. maths C. English D. computer
　　9. A. fewer hours B. more hours C. eight hours D. more than eight hours
　　10. A. Seeing doctors B. Going to the cinema C. Shopping D. Travelling
　　11. A. rich B. other C. poor D. small
　　12. A. food B. clothes C. fruit D. drinks
　　13. A. fatter B. thinner C .healthier D. more pleased
　　14. A. Safe B. Easy C. Simple D. Dangerous
　　15. A. a few people B. all the people C. many people D. some people
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