雅思剑桥12阅读Test7Passage1参考答案!下面
Test 7 Passage 1
Question 1
答案：v
关键词：Paragraph A
定位原文：A段第三到四句：“This inhospitable environment is home to the giant Galapagos tortoise…colonised by one or more tortoises from mainland South America.”
解题思路：A段前两句先介绍了群岛的基本状况，后面提到这种不宜居的环境却是象龟的故乡，并且提到在象龟出现后，南美大陆的多种象龟也居住在此。因此对应标题v。
Question 2
答案：iii
关键词：Paragraph B
定位原文：B段第二句到最后：“From the 17th century onwards, pirates took a few on board…”
解题思路：B段提到17世纪之后，海盗将象龟带到船上做为食物，大量掠夺这种资源，又提到当移民到达该岛后，他们也大量戮杀象龟，并摧毁它们的栖息地、开垦农田，同时他们引进的其他物种也以龟蛋或幼龟为食并破坏它们的栖息地。因此B段主要讲述了影响象龟数量的发展变化，对应标题iii。
Question 9
答案：food
关键词：1790s; large numbers
定位原文：B段第二句、第三句：“the 1790s saw this exploitation grow exponentially…the tortoises were taken on board these ships to act as food supplies during long ocean passages.”
解题思路：文中提到18世纪90年代象龟被大量杀戮，它们被带上船作为食物供给。
Question 10
答案：oil
关键词：1790s
定位原文：B段第四句：“Sometimes, their bodies were processed into high-grade oil.”
解题思路：文中还提到这些象龟被用于提炼油。
Question 11
答案：settlers
关键词：Hunted by
定位原文：B段倒数第三句、第二句：“The historical exploitation was then exacerbated when settlers came to the island. They hunted the tortoises…”
解题思路：文中提到当移居者到达该岛，他们开始猎杀这些象龟。
Question 12
答案：species
关键词：Habitat destruction; not native
定位原文：B段最后一句：“They also introduced alien species…or destroy their habitat.”
解题思路：B段提到移居者还引进了一些外来物种，这些外来物种破坏了象龟的栖息地。
Question 13
答案：eggs
关键词：fed on; baby tortoises
定位原文：B段最后一句：“They also introduced alien species…that either prey on the eggs and young tortoises…”
解题思路：文中提到这些被引进的外来物种会吃龟蛋和幼龟。