参考答案：B

解析：

[听力原文]21-25 Welcome to East Timor, one of the world’s newest countries, and for the intrepid few, an emerging tourism destination with unspoiled natural beauty. Hundreds of fish species have been recorded in East Timor’s waters, a diversity that’s enhanced by having very deep water so close to shore. East Timor is a former war zone and lacks a lot of basic infrastructure. After East Timor’s vote for independence in 1999, Indonesian militias rampaged through the island. The subsequent recovery effort has been painfully slow. There are many changes to be made if tourism run by expatriates is to boost East Timor’s meager economy. The government is anxious that new tourism developments don’t rain East Timor’s greatest asset, its natural beauty. So, as this new nation struggles to build its economy, it faces an age-old predicament, how to make the most of its natural assets without destroying them in the process. [难点] 本题较为简单，主题是讲East Timor(东帝汶)，首次听可能会有一种陌生感和跳跃感，只要克服这种感觉，很容易捕捉到答案。