The reef has great species diversity with a high level of endemism(动植物的特有分布),and is home to endangered dugongs,a kind of sea animal,and is an important nesting site for Green Sea Turtle.
Most of the reefs are generally thought to be in good health.Some of the eastern reefs have been damaged by wastewater from nickel mining(镍开采)on Grand Terre.The waste from mining,agriculture,and grazing(放牧) has affected reefs near river mouths,which has been worsened by the destruction of mangrove forests,which help to keep wastes.Some reefs have been buried under several meters of wastes.
In January 2002,the French government proposed(提议) listing New Caledonia's reefs as a UNESCO World Heritage Site.UNESCO listed New Caledonia Barrier Reef on the World Heritage List on 7 July 2008.
【语篇解读】 南太平洋的新碦里多尼亚岛附近的新碦里多尼亚堡礁是仅次于澳大利亚大堡礁的世界第二大珊瑚礁。
24.Some of the New Caledonia's reefs have been damaged mainly because of ________.
A.human's activities
B.natural disasters
C.the earth's movement D.its own development
答案 A [推理判断题。根据倒数第二段可知,一些新碦里多尼亚堡礁遭到破坏,主要的原因是人们开采镍矿、农业、放牧等人类的活动造成的。]
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