20. What will our world be like in 2020? Maybe no one knows. Because we never know what will happen in the future. But it's very interesting to make some predictions. Here are some exciting predictions.
Languages
English should still be the most popular language, but Chinese should be the second. Now, many foreign people are studying Chinese (A) their second language.
Water
Water will become as expensive as oil because many rivers will disappear. We will have to save water and pay more for clean water.
Education and Science
Students won't go to school. They will stay at home and study online. Students from all over the world may study together (B) the internet. We may eat more genetically modified (转基因的) food. And more robots will be around us. ②很多危险的家务将由他们做.
Living
People will live and work under the sea. Perhaps there be big towns, factories and farms under the sea, too. Everyone will carry a pocket computer. ③computer,the,answers,will,all,the,to,their, people,problems,give. Everyone will have telephones in the pockets, too, and they will be able to talk to their friends all of the world.
任务一:(1)将文中A、B两处横线上填入适当的单词, 使短文完整. (仅限填一词)
任务二:(2)将①处英语翻译成汉语.
任务三:(3)将②处汉语翻译成英语.
任务四:(4)将③处单词连成句子.
任务五:(5)请给短文拟一个适当的英文标题.