cycle, on, interesting, paper, rain,
write, climate, chalk, machine, ruler
What will life be like in 200 years? Teachers won'ton the blackboard within the future. Students won't do their homework on , and we won't draw a line(线)with a . At that time, every student will study the computers. And at the weekends, students can go with their friends—robots. That would be very . There will be many on the farms, and they do lots of work. What about the then? There won't be much because of EL Nino phenomenon(厄尔尼诺现象). That will bring people many problems.