Unit 4 Protecting our heritage sites 课文语篇填空 -2022-2023学年牛津译林版高中英语选择性必修第三册

Heritage in danger Welcome, everybody. It's wonderful to be here. Before we begin, I want to ask you: have you ever been awed by natural wonders? Have you ever been fascinated by human civilization? If so, you might already understand why UNESCO is fighting 1._ (preserve) sites of cultural and natural importance to mankind. I have the belief that some of you have heard about UNESSCO heritage sites or maybe even visited one! There are currently around 1,100 sites in more than 160 countries worldwide. 2._(unfortunate), they face a variety of dangers and many of them are in urgent need of protection. Let's look at some specific issues. Heritage sites are at risk from natural forces. The long-term natural forces, such as wind, water and temperature, can gradually wear down heritage sites. For instance, the Great Pyramid of Giza is now several metres shorter than it was originally. Natural disasters, the sudden and 3._ (power) natural forces, can lead to the destruction of heritage sites: in 2003, a terrible earthquake shook south-eastern Iran and ruined large parts of the city of Bam, 4._ incredible UNESCO cultural heritage site. Another big danger is human activities. Wars can cause a great deal of damage to both cultural and natural heritage sites. Sometimes, amazing ancient clay sculptures and buildings are accidentally destroyed by missile attacks during periods of 5._ (violent) . In some conflict areas where civil wars often break out, fighters have even destroyed heritage sites on purpose. Meanwhile, World Heritage status may give rise to a series of problems. One of the problems is the flood of 6._ (tourist). Millions of tourists travel to UNESCO World Heritage Sites every year, so it is only natural that the sites suffer a bit of wear and tear. The temples of Angkor in Cambodia are typical examples of unique architecture. Every day, thousands of tourists climbing up the narrow stone steps are wearing down these ancient buildings and the long-term consequences c