Without proper planning, tourism can cause problems. For example, too many tourists can crowd public places that are also enjoyed by the inhabitants of a country. If tourists create too much traffic, the inhabitants bee annoyed and unhappy. They begin to dislike tourists and to treat them impolitely. They forget how much tourism can help the country and how tourism affects them. Tourism should help a country keep the customs and beauty that attract tourists. Tourism should also advance the well-being (health and happiness) of local inhabitants.
Too much tourism can be a problem. If tourism grows too quickly, people must leave other jobs to work in the tourism industry. This means that other parts of the country’s economy can suffer.
On the other hand, if there is not enough tourism, people can lose jobs. Businesses can also lose money. It costs a great deal of money to build large hotels, airports, air terminals, first-class roads, and other support facilities needed by tourist attractions. For example, a major international-class tourism hotel can cost as much as 50 thousand dollars per room to build. If this room is not used most of the time, the owners of the hotel lose money.
Building a hotel is just a beginning. There must be many support facilities as well, including roads to get to the hotel, electricity, sewers（阴沟） to handle waste, arid water. All of these support facilities cost money. If they are not used because there are not enough tourists, jobs and money are lost.
【小题1】 Which of the following has most probably been discussed in the paragraph that goes before the passage?A．It is extremely important to develop tourism.B．Building roads and hotels is essential.C．Support facilities are highly necessary.D．Planning is of great importance to tourism.【小题2】 Too much tourism can cause all these problems EXCEPT .A．a bad impact on other industriesB．A change of tourists’ customsC．overcrowdedness of places of interestD．pressure on traffic【小题3】 It is good for local people to be well aware that tourism will .A．use up a large amount of waterB．weaken their economyC．help establish their traditionsD．help improve their lifeD
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(答案→)D
解析：本文主要讲述的是旅游业和当地经济的关系，告诉我们要有适当的计划性，不能让旅游业影响当地的正常生活，也不能出现旅游业衰退导致投资失利情况的出现。
【小题1】D 推理题。根据文章第一句Without proper planning, tourism can cause problems.如果没有恰当的计划和安排，旅游业也许会导致很多的问题。说明在本文之前的一段可能讨论的正是周密的计划对旅游业的重要性。故D正确。
【小题2】B 细节题。根据文章1,2段This means that other parts of the country’s economy can suffer.
For example, too many tourists can crowd public places that are also enjoyed by the inhabitants of a country. If tourists create too much traffic,可知ACD三项都是旅游业给我们带来的诸多好处，只有B项没有提及。
【小题3】D 推理题。根据文章第一段最后3行They forget how much tourism can help the country and how tourism affects them. Tourism should help a country keep the customs and beauty that attract tourists. Tourism should also advance the well-being (health and happiness) of local inhabitants.可知旅游业对于我们的经济有很大的影响。故D正确。