airlines, the tour operators,and the foreign hotel owners, who are the final winners of tourism.

4. __________________

These days the industry's most urgent question may be how to control the flow of tourist. A typical example of this is Italy, where great cultural centers like the Florence and Venice can't handle all the tourists they get every summer. In Florence, it's half inhabitants have to live with the pollution, traffic jam, and crime caused by 11 million visitors a year. Now there is talk about how to solve these problems, like raising hotel taxes, or even changing admission to some public squares. The idea is to discourage at least some visitors, as well as to pay for cleaning up the mess.

5. __________________

For many poorer countries, tourism may still offer the best hope foe development. The Vietnamese are doing their best to open up their country. Libya has paid $ 1 million for a study. They all wanted tourists. Yet if something isn't done, tourism seems certain to become the victim of its success. Its effect on the environment is a major concern. For this reason, tourist organizations need to have second thoughts about what exactly they are trying to sell.

1. 【答案】B

【试题解析】推理题。根据本段最后3行Its 30,000 inhabitants（居民）are increasingly convinced that the 14 million visitors a year are far too much of a good thing. Water is in short supply, pollution is worsening, and there is no affordable housing left for them to buy.可知旅游业给当地带来了很多的问题，如水供应，污染等等。本段叙述的是旅游业的负面影响。故B正确。

2. 【答案】C

【试题解析】根据本段第一句Tourism is the world's largest and fastest growing industry.可知旅游业是世界上最大也是增长最迅速的行业。故C项符合段落大意。

3. 【答案】A

【试题解析】根据本段最后一句Mass tourism（团队旅游）usually leaves little money inside the country and most of the money goes to the airlines, the tour