阅读理解。
Cars will run on solar power（太阳能) or electricity and will be much cleaner. They will be much
safer. For example, if you are too close to another car or if you are driving dangerously, your car will slow down by itself.
Because there won't be any spare land, new cities will have to be built in the sea. Some cities on water will have two levels. People will live on the upper level, and the lower level will be used for traffic, shops
and factories.
Biotechnology（生物技术) will make food better and healthier. Plants that are not affected by insects or illnesses will be developed. The taste of fruit and vegetables will be better and food will be kept longer.
New technology will be used to make TVs that are only 5cm thick. They will have pictures that are as
clear as photos. Electrical appliances (电器) will be quieter and will be controlled by computers, they will also use 50% of power.
Using products of genetic engineering (基因工程产品), many new ways to cure（治愈) illnesses will be successful. Cures will be found for the flu and the common cold. However, some new illnesses will
appear.
根据短文内容,判断下列句子的正 (T)误 (F)。
(     ) 1. Cars using solar power or electricity will cause fewer accidents and less pollution.
(     ) 2. People will be able to live in the new cities in the sea.
(     ) 3. Biotechnology will help divide food into two groups, better food and healthier food.
(     ) 4. Electrical appliances will save 50% of power because they are controlled by computers.
(     ) 5. Genetic engineering can help doctors to cure illnesses.

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