完形填空（共10分）选择一个最佳答案，并将代表答案的字母填在相应的位置。
Life in the 22^nd century (世纪)will be          from life in the 21^st century, because many changes will take place in the new century. But what will the changes be?
The population(人口) is         fast. There will be more and more people in the world and most of them will live         than before. ______will be much smaller and more useful, and there will be at least one in every home. And computer studies will be one of       subjects at school.
People will work fewer hours than they _______in the 21^st century, and they will have more free time for sports,       TV and travelling. Traveling will be more convenient(便利的). And many more people will go to other countries _____ holidays.
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.        no one will eat it every day, instead (代替)they eat more vegetables and fruit. People will be healthier than before.
Work in the future will be different, too. Dangerous and hard work will be done by robots（机器人）,        of this, many people will not have enough work to do. This will be a problem.

A．same B．the same C．different D．difference

A．making B．growing C．running D．doing

A．longer B．shorter C．faster D．taller

A．Trains B．Telephones C．Computers D．Planes

A．the most important B．most important C．the more important D．more important

A．do B．does C．did D．are

A．watch B．to watch C．watching D．watched

A．to B．in C．with D．for

A．Probably B．Maybe C．may be D．However

A．Because B．So C．Although D．But