第1个回答 2012-04-12
A special bike
It can change shape freely,just like a robot ; It can told you the way you need,when you go to a new place ; It can be ride in every kind of road , and it is comforbale ;It has its own computer program, it knows the weather , you can be told the weather when you go out ; It can help you deal with the traffic accident, it can call the emergence call when you have an accident .