1、Unit 6 Nurturing nature2. The best job in the world How would you like 1. spend six months 2. (live) on an island and 3. (look) after the Great Barrier Reef? The working hours are flexible and accommodation is 4. (provide). Key duties include 5. (explore) the islands 6. the reef and finding out 7. t

2、he area has to offer. Youll need 8. report back via weekly blogs, photo diaries 9. video updates. Youll also be asked 10. promote the islands 11. newspapers, magazines12. TV interviews. It was 13. (actual) a very clever means 14. highlight the importance of the Great Barrier Reef and the need to pro

3、tect it. About the size of Japan, it even can 15. (see )from outer space. More than 25 million years old, the Great Barrier Reef is made up of 16. (live)coral growing on 17. (die) coral. It is host to many species of birds and sea creatures. But this unique and delicate place is now 18. threat from

4、19. (pollute)and climate change.To get this job, the candidates had to make a short video showing how much they knew about the reef. They also needed to prove 20. they were the best person 21. (do) the job. Out of the thousands of applicants, eleven were selected, 22. (include) a young woman from Ch

5、ina.23. ( eventual), the job was offered to Ben Southall 24. the UK.In addition 25. blogging, taking photos and writing articles about the reef, he made 26. number of appearances on television 27. argue 28. favour of 29. (it) defence. He also worked 30. a presenter for the National Geographic Channe

6、l, before going on to write a book about his experiences. Ben later joked that the job should have been advertised not as the “best”, 31. the “busiest job in the world”! The most important thing was that people all over the world became aware 32. the beauty of the ocean in the area. Whats more, they

7、 came to understand the delicate balance that the environment exists in and what can, and must, be done 33. protect the reef. That way, it will remain a safe habitat for wildlife, as well 34. a dream destination for the millions of tourists 35. visit it each year.1. TheSky Railway 1.（Sit）back in my

8、seat, I cant quite believe that Imabout to travel along the railway that many foreign 2.（expert）claimed was “impossible”. The train has been 3.（race）along 4. (steady) since it 5.（leave） Xining. All this time, the song “Sky Railway” has been playing inside my head. The words “railways like massive dr

9、agons are winding among the mountains” seem 6.（particular） vivid as I travel across the “roof of7.world”. 2 I was one of the people 8.came from all parts of China to work on this railway. 9.（Take） years to complete, the Qinghai-Tibet Railway is a record of all of our efforts to overcome the most dif

10、ficultengineering 10.（challenge）. How to protect the delicate ecosystem was among the top concerns. 3 The first landmark 11.catch my eye is the splendid Qingshuihe Bridge, the worlds longest bridge 12.（build） over permafrost. Look! A group of Tibetan antelopes 13.（ move） under the bridge, with some1

11、4.（ stop） to eat grass at their leisure. Thirty-three passages have been built under the railway allow the animals to move safely and 15.（free） in their natural habitat. Wild animals such as these Tibetan antelopes have now been using these passages for years. They seem totally unaware that we are s

12、peeding past 16. over 100 kilometres an hour. 4 To17.（ prevent） damage to wetlands and grasslands, 675 bridges with a total length of about 160 kilometres 18.（ built） between Golmud and Lhasa. We even moved 140,000 square metres of wetland to a new area in order to protect its （distinctive） ecosyste

13、m. 5 The journey has been flying by, and before I know it, we （reach） Tanggula Station. 21. （locate） at over 5,000 metres above sea level, this is the 22.（high） railway station in the world. In locations such as this, the thin air, 23.（change） weather and high levels of UV radiation 24.（present）perh

14、aps the greatest challenge for railway workers. To make sure we stayed 25.（health）, several oxygen-making stations 26.（construct）. We were also able to enjoy regular breaks in lower areas. 6 we pass Cuona Lake, I feel a sense of pride and 28.（ achieve）. Using thousands and thousands 29.sandbags, we

15、built a twenty kilometre wall along the lake 30. protect it 31. construction waste. Cuona Lake is so close to the railway 32. I want to reach out and touch its pale blue mirror-like surface. Water birds 33.（ play）in the lake, and cattle and sheep wandering the grasslands bring the scenery to life. 7 The Qinghai-Tibet Plateau has been attracting peoples 34.（admire） for centuries. Now, thanks to o