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2017吉林省蛟河市 阅读下列短文，从每篇短文后所给各题的四个选项（A、B、C和D）中，选出最佳选项。 【湖北省2017高考英语《考试大纲》调研卷二模试题】C Losing your luggage on a flight could soon be a thing of the past after an airline developed a bag that is impossible to lose. According to the latest industry figures, about 4 pieces of luggage will be lost on the average Boeing 747 flight. Passengers are most likely to lose a bag when changing flights,especially if the connection time is short. One of the major reasons for luggage being lost is that the paper tags carrying the bar code(条形码)are ripped off as cases are shunted along conveyor belts to the aircraft. It was this that led to the loss of thousands of bags at London's Heathrow Airport in March 2008. This luggage technology, known as Bag2Go, involves fixing a satellite tracker and a bar code onto the suitcase. Using a smartphone, a passenger sends details of their flight to the airline which in turn sends back a bar code which is shown on the display unit of the case. Each bar code is unique carrying details of the traveller, flight and destination. Once on board a plane, a passenger can use a smartphone application to check that the bag is in place and inform flight crew if it's not there. Should the bag be loaded onto the wrong plane, satellite technology and the bar code means that it will be easily traced. It will enable the case to be delivered to the correct destination and returned to its owner. | 
