Humans have always dreamed of finding a way to leave traffic jams(交通堵塞)behind．Well, dream no longer．The flying car and pod car(豆荚车)can help cut down on traffic jams．

　　The world’s“first flying car”, called the Terrafugia Transition, has made its first flight in the skies of the US．It can fly 640 km through the air without adding more gas, the car maker, Terrafugia Inc, says．

　　As a light airplane, it is not easy for the Terrafugia Transition to fly in poor weather．However, it has the advantage of being able to continue the journey by road if conditions take a turn for the worse．

　　This is the first proven flying car with foldable wings．These allow it to perfectly transfer from air to road．

　　However, there are a few problems．The car/plane, which is expected to go on sale as early as 2011, will cost about ＄194, 000(1.33 million yuan)．Drivers will also need a driver’s and pilot’s license．

　　For those afraid of heights, or who don’t want to fly, the pod car is a great way to travel．Imagine using a button to stop the small pod-shape car．The doors open, you climb into the passenger seat, and enter your personal number．Minutes later, the doors slide open and you have reached the place where you’re going．

　　Cities around the world are looking into pod-car systems, as pod cars do not need human drivers．They are designed for one person or small groups traveling together．Passengers simply type their place into the pod car’s computer and the pod car takes them directly there．

　　Because pod cars do not make unnecessary stops and use electricity, they save a lot of energy and do not pollute the air．Pod cars also provide passengers with faster service and more privacy than a subway or bus．

　　While flying cars and pod cars may be a dream available to a few, many humans are still dreaming bigger dreams, such as teleportation(瞬间位移术)．It is most widely found in works of science fiction．

　Telep ortation is a method of transportation, in which, objects or information are dematerialized(使消失), and then recreated in another place．Maybe one day, teleportation could become a reality and people could avoid traffic jams for ever!

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完形填空

　　Gail and her dog, Sam, are standing at the street corner．They’re waiting for the cars to go by．They want to go 　　1　　 the street．She is waiting for Sam to decide when they should cross．

　　Some blind people use special, trained dogs to help them tell when and where they would go．But not every dog can do 　　2　　．A dog for the blind must be clever．The dog must be 　　3　　 at a special school．He is taught to walk 　　4　　 the trainer’s legs．He is taught to walk 　　5　　 his trainer does．

　　The blind person goes to the school too．He practices with the dog．He holds the leather belt(皮带)around the dog’s neck tightly(紧紧地)．　　6　　 he feels the dog’s movements and knows when and where to walk．

　　At the street corner Sam doesn’t watch the 　　7　　．It’s not because he’s careless．It’s just because dogs can’t 　　8　　 red lights from green ones．He is trained to watch the cars, and tell what the time is for him and Gail to cross．

　　Sam is 　　9　　 to Gail．He does her seeing for her．He keeps her out of danger．But Sam is not only Gail’s 　　10　　．He’s her best friend, too．

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