1 . 阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。
Life in the 2050s will be different from it is now, because many changes will take place. What will the changes be?
The population 1 (grow) fast now. There will be too many people 2 (live) in the world by 2050. Some people will go to the moon and other planets. They can travel to Mars and back 3 just three days.
Computers will be much smaller and 4 (use) more widely, and there will be at least one in every home. And computer study will be one of the popular 5 (subject) in schools. People will work fewer hours than we do now 6 they will have more free time for sports, TV and traveling. Traveling will be much cheaper and 7 (easy). And many people will go to other countries for holiday.
There will be changes in our food, too. Because more and more people know the 8 (important) of healthy diet. Maybe no one will eat meat. They will eat more vegetables and fruit. So people will be healthier.
Work in the future will be different, too. 9 (danger) and hard work will be done by robots. We will have robots to help clean, cook and do our home shopping, because of 10 many people won’t have enough work to do. This will be a problem.