Unit 4 A glimpse of the future1．Anything one man can imagine，other men can make it real.—Jules Verne但凡人能想象到的事物，必定有人能将它实现。 2．You can never plan the future by the past.—Burke你永远不要依照过去来计划将来。 3．Imagination is more important than knowledge ，for knowledge is limited while imagination embraces the entire world，pushes improvement and is the source of knowledge evolution. —Albert Einstein想象力比知识更重要，因为知识是有限的，而想象力概括着世界上的一切，推动着进步，并且是知识进化的源泉。4．When your illusions are gone you may still exist，but you have ceased to live.—Mark Twain当幻想没有了以后，你还可以生存，但是你虽生犹死。In the future ， man's life will be very different from that of today.First，with the development of medicine，on the average，a person will live to the age of about 120.Second ， because of the discovery of new energy ， the environmental pollution will be under control.Third ， people's daily life will change greatly，too.For example，robots will do all your housework for you; your chair will change its color to match what you're wearing; you can also put your mobile phone around your wrist and can see the caller while speaking; you even can take a new elevator into space for your holidays.A robot makes its way back to a supermarket after making a delivery during a demonstration in Beijing.Along a street on the outer edges of Beijing，a yellow and black cube about the size of a small washing machine moves leisurely to its destination.This“little yellow horse”is a delivery robot ， transporting daily essentials like drinks ， fruit and snacks from the local store to the residents.Equipped with GPS system，cameras and radar，the robot is seen by its creator as the future of logistics(物流)in China.The robot takes off for Chinese customers' love of cashless payments and smartphone shopping.China is the world's biggest online shopping market with more than half of its population making at least one smartphone purchase per month ， according to professional services firm PricewaterhouseCoopers.Whether buying electronics，toilet paper or clothes，Chinese customers are used to simply tapping a button on their smartphone and getting a home delivery.[探索发现]1．What is the yellow robot equipped with? (no more than 8 words)GPS system ， cameras and rad ar. 2．Why is the robot popular with Chinese people? Because of Chinese customers' love of cashless payments and smartphone shopping.3．What do you think of the invention of the yellow robot?It is very helpful.
