根據(jù)短文內(nèi)容回答下列問(wèn)題.
  Here is a page from a magazine called Future. Read the following information about things that may happen in ten years.
  Cars will run on solar power 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 or stop by itself.
  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; the lower level will be used for traffic,shops and factories.
  Biotechnology will make food better and healthier.Plants without insects or illnesses will be developed. The taste of fruit and vegetables will be better and food will be kept longer.
  Many new ways to cure illnesses will be found. People will use products of genetic engineering to cure more illnesses.However,some new illnesses will appear.

Will cars in the future be much cleaner and safer?

What will be made better and healthier by biotechnology?

Where will new cities have to be built in the future?

What will people use to cure more illness?

What's the best title for the passage?