【正确答案】 A

【答案解析】[听力原文]
According to the United Nations, a tourist is someone who travels at least 50 miles or 80 kilometers for recreation. In the United States, people love to take trips. They spend more on vacation than anyone else in the world. Many of them take package tours; however, the first vacation package was attributed to an Englishman, names Thomas Cook. In 1841, he took 500 travelers to a nearby town. The price of the tour included a train ticket and a meal along the way. In 1845, Thomas Cook sold the first vacation package tour to Europe. And 1866, his company was organizing trips to the U.S. Today, tourism is a big business. And the tourist industry is crucial to many countries' economy. It is estimated that 80% of jobs in the world, that's more than 200 million people depend on tourism. Some local governments, like the British Virgin Islands in the Caribbean, are almost totally depended on visitors. About 95% of the islands income comes from tourism. For other places in the world, tourism is ever growing. It is estimated that by the year 2015, people worldwide will spend some five thousand billion U.S. dollars for vacation abroad. Regions in Asia, the Pacific, the Middle East, and Africa will see the greatest growth.

What is a package tour?