Scientists say life will be very different in 2050.
First, there will be no TV channels(频道)in 2050. People will choose a program(节目)from a computer and watch it on TV. In 2050, we will get information from the computers only.
Second, water will be a big problem in 2050. In many places, people won't have water to drink.
Third, cars will use new and clean fuels and they will go very fast. There will be a computer in every car. And the computers will control the cars and there won't be any accidents(事故).