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Dialogues /monologues: 1、 The acceptable standard is 15% of the tall bill. 2、 You can stock up on something to have for laterfor example, cheese and caviar in Mexico City. 3、 Meditation room 4、 When you walk in, relaxing music comes and pictures of clouds are projected on the wall. 5、 Christen cruises are popular with those who are not interested in the drinking, gambling, and Las Vegas style shows that are a part of most cruising vacations. 6、 Enjoying retracing the journeys of the apostle Paul in Turkey and Greece on a luxurious tall sailing ship. Passage: To attract tourism to one's country was once thought of as an unqualified success; there seemed to be no negative aspects to it. However, today we are coming to realize that tourism is a mixed blessing: it has advantages and disadvantages. On the one hand, it can bring money to parts of the world that very much need it. People can earn a great deal through tourism. And this income can help to preserve the environment. Anything that helps to protect the ecosystem, the interrelated community of plants and animals that makes up the earth, is, of course, positive. A recent worry, however, is the fact that tourism can cause serious damage to the fragile environments they love to visit. Ecosystems are delicate and easily damaged. Around the world, areas are endangered by the large numbers of tourism who visit them. On every continent, tourism threatens the environment. Even trekkers who take difficult journeys on foot can cause damage. | 
