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　　Tourism was not always as important as it is today．In the past only 　　1 people could travel on vacations to other countries．But in 1976 one person 　　2 twenty visited a country away from home．

　　More people travel today than in the past because there is a growing middle class in many parts of the world．People now have more money for travel．Special airplane fares for tourists make travel 　　3 expensive and thus more attractive(有吸引力的)than ever before．

　　One person does not travel for the 　　4 reason as 　　5 ．But most people enjoy seeing countries that are different 　　6 their own．They also like to meet new 　　7 ,try the new food and experience life in other parts of the world．

　　Tourism cause many changes in a country and in people's lives．People build new hotels and restaurants and train native men and women 　　8 tour guides to show tourists interesting places．

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