这篇文章会直接开始分析最近一道SWT新题，这道题的信息点是较多的，其中也包含了非常多的细节，接下来直接放文章进行分析。
原文
Greenland shark (格陵兰鲨鱼长寿之谜)
An international team of scientists is set to go to Arctic to investigate the Greenland shark longevity mystery. The shark is known to be the longest living vertebrate animal on the planet. One of the members is Dr. Holy Shiels, a physiologist and senior lecturer in the Faculty of Life Sciences at the University of Manchester. She will be the only British scientist in the team to study Greenland shark, which is believed to be the vertebrate animals and mammals with the longest living. The shark is reported to have lived for more than 200 years, and possibly close to or more than 400 years. The shark is both hunter and a scavenger, that feed on seals and other animals including polar bears and whales. It is also known as one of the largest sharks, reaching to five and a half meters (18 feet), very close to thesize of a great white.
拿到一篇SWT，大家一开始不要被较长的段落给吓到，沉下心来看懂段落大意是我们该做的第一步。这一段能看出来大致意思是在围绕格陵兰鲨鱼，具体一点就是科学家在研究这种鲨鱼长寿的这个秘密。弄清楚主题，我们会很容易剔除掉一些干扰信息，例如“One of the members is Dr. Holy Shiels, aphysiologist and senior lecturer in the Faculty of Life Sciences at theUniversity of Manchester.” 说的是这个科学家小组的其中一位成员，通过判断这个信息跟主题的联系比较小，是可以考虑作为细节信息进行排除的。
The research team is commissioned by theGreenland government and will conduct the research on board the multi-purposeresearch vessel Sanna, operated by the Greenland Institute of NaturalResources. A Greenland shark is estimated to be able to live for 400 yearsaccording to Science Magazine. Professor Shiels expects to gather sufficientdata of Greenland shark, a top predator in the Arctic sea. She wanted to find aclue of how Greenland shark is able to survive in the deep sea of the Arcticsea, by examining how its heart and circulation work in its normal habitat, asshe specializes in the cardiovascular function. "Greenland sharks areclassified as data deficient," Shiels said. "This means that we don'tknow enough to put measures in place to protect them from over-fishing,pollution or climate change."
我们分析这一段的做法同上，这一段主要是在说这个Shiel教授对格陵兰鲨鱼进行研究的一些动机和方法，并且给出了她的一些反馈。这一段虽然整段都在不停地提出新信息点，但对于主题联系越大的信息，我们应该先做好记录，相应地可以排除掉一些联系较少地信息。
信息点&译文
以下是原文中挑选出的主要信息点和译文：
An international team of scientists is set to go to Arctic to investigate the Greenland shark longevity mystery. The shark is known to be the longest living vertebrate animal on the planet. One of the members is Dr. Holy Shiels, a physiologist and senior lecturer in the Faculty of Life Sciences at the University of Manchester. She will be the only British scientist in the team to study Greenland shark, which is believed to be the vertebrate animals and mammals with the longest living. The shark is reported to have lived for more than 200 years, and possibly close to or more than 400 years. The shark is both hunter and a scavenger, that feed on seals and other animals including polar bears and whales. It is also known as one of the largest sharks, reaching to five and a half meters(18 feet), very close to the size of a great white.
一个国际科学家团队将前往北极调查格陵兰鲨鱼的长寿之谜。众所周知，鲨鱼是地球上最长寿的脊椎动物。其中一名成员是Holy Shiels博士，他是曼彻斯特大学生命科学学院的生理学家和高级讲师。她将成为研究格陵兰鲨鱼的唯一英国科学家，该鲨鱼被认为是脊椎动物和生命最长的哺乳动物。据报道，鲨鱼已经存活了200多年，可能接近或超过400年。这种鲨鱼既是猎人又是清道夫，以海豹和其他动物为食，包括北极熊和鲸鱼。它也被称为最大的鲨鱼之一，达到五米半（18英尺），非常接近大白鲨的大小。
The research team is commissioned by theGreenland government and will conduct the research on board the multi-purposeresearch vessel Sanna, operated by the Greenland Institute of Natural Resources. A Greenland shark is estimated to be able to live for 400 years according to Science Magazine. Professor Shiels expects to gather sufficient data of Greenland shark, a top predator in the Arctic sea. She wanted to find a clue of how Greenland shark is able to survive in the deep sea of the Arctic sea, by examining how its heart and circulation work in its normal habitat, as she specializes in the cardiovascular function."Greenland sharks are classified as data deficient,"Shiels said. "This means that we don't know enough to put measures in place to protect them from over-fishing, pollution or climate change."
该研究小组受格陵兰政府委托，将在格陵兰自然资源研究所运营的多用途研究船Sanna上进行研究。据“科学”杂志报道，格陵兰鲨鱼估计可以存活400年。希尔斯教授希望收集足够的（北极海域的顶级捕食者）格陵兰鲨鱼数据。她希望知道格陵兰鲨鱼如何在北极海深海中生存，通过检查其心脏和血液循环在其栖息地中如何运作（因为她专注于心血管功能的研究）。“格陵兰鲨鱼被归类为数据缺乏，”希尔斯说。“这意味着我们不足以制定措施来保护他们免受过度捕捞，污染或气候变化的影响。”
以下是主要信息点：
1. Scientists investigate the longevity mystery of the Greenland shark, which is the longest living vertebrate animal.
2. The shark which is also known as one of the largest sharks, is both hunter and ascavenger
3. Professor Shiels wanted to find a clue of how Greenland shark is able to survive shark by examining how its heart and circulation work
4. because of data deficient, we don't know enough to protect them
参考答案：
A team of scientists went to investigate the longevity mystery of the Greenland shark, which is the longest living vertebrate animal and one of the largest sharks, and the shark is both hunter and a scavenger, while Professor Shiels wanted to find out how Greenland shark is able to survive by examining how its heart and circulation work; moreover, we do not know enough to protect the shark because of data deficient.
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