阅读下面的短文，判断文后的句子是否与短文内容相符，符合的选T 不符合的选F（共4小题，每小题2分）
Life in 2050
What will life be like in the year 2050? No one knows, but of course it will be very different from it today Here are some predictions:
Firstly, people will work fewer hours, and robots will do hard and dangerous work instead.So they will have more free time for sports and travelling.
Secondly, cars, will run faster, and computers will control(控制) the speed instead of people. So there won't be any accidents.
Thirdly, people will be able lo live in the sea. away from the crowded and noisy cities on land.
Lastly, water will  have become one of our most serious problems because there could be serious shortage(短缺). Some scientists open predict that water could be the cause of war if we don'i act now.

Nobody knows what life will be like in the year 2050. Peoplewont need to work by the year 2050. The sea will be too noisy and crowed for man to live in. Water shortage could be serous in the future.