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18 徐州
What will the future world be like? Many people are glad to give their 16 .Here are two imaginations about the world of 17. When people talk about the future, we like to think that we'll have our own personal flying car. We would fly at 480 kilometres per hour, avoiding traffic lights,18 roads and speeding tickets. 19,some people point to the disadvantages of flying cars. One big problem is: what will happen if the flying cars 20 ? Then there will be problems with traffic control. Also, if 21 become popular, there will surely be too much air traffic.22 it seems that flying cars will face more than a few problems if they are to get off the ground! .Imagine you have your own Ironman 23 . Several companies are trying to build a practical robot "exoskeleton". This is a suit of robot arms and legs which follows your movement. It will 24 the wearer to lift heavy objects, walk a long way and even punch through walls! It is 25 in many ways, especially for people with disabi