解析:锁定答案为v,v选项关键词有:Tortoises(陆龟),populate(使繁荣),the islands(岛屿),大意为陆龟使岛屿生态繁荣起来,与原文的主旨信息“giving rise to at least 14 different subspecies”相匹配,所以选择v项。 Question 2 正确答案:III 解析: 原文B段主旨:段落关键词有B段第2行“took a few”(抓了一点)...
The problem was also a pressing one. Captive-bred tortoises can’t be reintroduced into the wild until they’re at least five years old and weigh at least 4,5 kilograms, at which point their size and weight - and their hardened shells - are sufficient to protect them from predators. But...
giving rise to at least 14 different subspecies.Island life agreed with them.In the absence of significant predators, they grew to become the largest and longest-living tortoises on the planet, weighing more than 400 kilograms, occasionally exceeding 1.8 metres in length and living for more than...
IELTS Academic Reading Time: 20 minutes INSTRUCTIONS TO CANDIDATES Answer all the questions. You can change your answers at any time during the test. INSTRUCTIONS TO CANDIDATES There are 13 questions in this test. Each question carries one mark. The test clock will show you how long have you...
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Some time after the Galapagos’s birth, around five million years ago, the islands were colonised by one or more tortoises from mainland South America. As these ancestral tortoises settled on the individual islands, the different populations adapted to their unique environments, giving rise to at ...
Some time after the Galapagos’s birth, around five million years ago, the islands were colonised by one or more tortoises from mainland South America. As these ancestral tortoises settled on the individual islands, the different populations adapted to their unique environments, giving rise to at ...