剑桥雅思11Test1Section4听力答案解析 Ocean Biodiversity
剑桥雅思11听力第一套题目第四部分由10道提纲型填空题组成，其中32题和40题偏难，35题的答案拼写可能存在一定困难，其他题目都很正常。下面是具体的答案解析。
点击查看这篇雅思听力对应的录音原文与其中出现的需要大家掌握的重点词汇：
雅思备考听力篇 剑11 test 1 section 4 雅思听力高频词汇
剑桥雅思11 Test1 Section4听力答案解析
第31题答案：conservation
对应原文：These hotspots are significant because they allow us to locate key areas for focusing efforts at conservation
答案解析：important与significant同义替换，locate原词出现，听到这两个点意识到答案即将到来。根据题干推测空上应该填一个名词，由此确定答案为conservation。
第32题答案：food/foods
对应原文：The main thing he’d expected to find was that they had very high concentrations of food
答案解析：因为这道题没有明确的定位词（sharks距离太远，hotspots又是主题词），所以很容易漏掉。只能根据rich和high concentrations的同义替换来确定答案。
第33题答案：surface
对应原文： But what he did find was that in all cases, the water at the surface of the ocean had relatively high temperatures
答案解析：这道题采用语序颠倒的手法，将本来在空前的temperatures放在了答案之后，比较考验短期记忆能力。不过surface在Section4经常作为答案出现，大家只要具备一定的敏感度，应该还是很容易听到的。
第34题答案：oxygen/O2
对应原文：However, this wasn’t enough on its own, because he also found that the water needed to have enough oxygen in it
答案解析：听到however意识到录音进行到了第三点，sufficient与enough同义替换，由此确定答案为oxygen。
第35题答案：mammals
对应原文：A couple of years later, in 2007, a researcher called Lisa Ballance, who was working in California, also started looking for ocean hotspots, but not for fish – what she was interested in was marine mammals, things like seals.
答案解析：听到2007和Lisa Ballance意识到答案即将到来，空前词marine并无任何更改，可以很容易的锁定mammals为答案。
第36题答案：ice
对应原文： One thing they found there which stunned other researchers was that there were large numbers of species which live below the ice
答案解析：
第37题答案：decline/declining/decrease
对应原文： because they’re so mobile, and then thirdly they calculate the rate at which the decline of the species is happening.
答案解析：听到rate意识到答案即将到来，从题干可以推测空上应该填一个名词，而原文中填上去语音合适的单词只有decline，由此锁定答案。
第38题答案：map
对应原文： but they want to increase this figure to 20,000. For each one they assess, they use the data they collect on that species to produce a map showing its distribution.
答案解析：听到2000意识到答案即将到来。题目进行了小小的语序颠倒，将本来位于空前的distribution放在了答案之后，不过因为map读的比较重，哪怕不依靠distribution也可以很容易确定答案。
第39题答案：migration
对应原文：In addition, to preserve species such as leatherback turtles, which live out in the high seas but have their nesting sites on the American coast, we need to create corridors for migration
答案解析：这道题同样采用语序颠倒的手法，将括号里的内容（e.g. for turtles）提前，同时将答案与corridors换位，不过因为它们仍然属于同一个短语，所以还是比较好回忆的。
第40题答案：consumption
对应原文：If these commercial fishing boats used equipment which was more selective, so that only the fish wanted for consumption were caught, this problem could be overcome.
答案解析：这道题的难点在于整个句子的结构变化很大，fish又多次出现，不容易定位。只能根据purpose和wanted for这一模糊的替换来确定答案。
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