这道标题(best title) 题,清北班正答率只有33%!
各位读者朋友好。我是Fred,高中一线教师。英国曼彻斯特大学英语语言文学(TESOL)硕士。雅思阅读满分。九年教龄、已有四届高中毕业班教学经验,其中22-24学年连续从事高中毕业班教学工作。清北班教师,高三英语学科组长,23届班级两名学生进入全省前50,共5名学生被清北录取。24届1人进入全省前20。
A new study has revealed that a prehistoric sea cow was the target of two different predators(捕食动物)—an ancient crocodile and a tiger shark, providing rare insights into the complex food chains from millions of years ago. The research, conducted by an international team of scientists and published in the Journal of Vertebrate Paleontology, uncovers one of the few known instances where a single prey(猎物)was attacked by many predators.
The sea cow, belonging to the extinct group Culebratherium, was first attacked by a crocodile, Evidence then shows that after the initial attack, the sea cow's remains were searched by a tiger shark, a tooth of which was found near the unlucky animal's neck.
"Have you seen the Batman movie? There is a scene where he and Alfred are shooting bullets to try and figure out which specific type of bullet they are trying to find," said Benites-Palomino, lead author of the research. "Our research was conducted in exactly the same way. We have these experiments in the wild where predators are attacking their prey, and then afterwards we try to compare which is the best scene for what we' re finding there."
The find is particularly significant as it adds to the limited fossil record of multiple predators interacting with a single prey. Such interactions are common in today's ecosystems, but are rarely documented in the fossil record, making this discovery an important piece of the puzzle in understanding ancient food webs.
"We have been unsure as to which animals would have served this purpose as a food source for multiple predators. Our previous research has identified sperm whales searched by several shark species, and this new research highlights the importance of sea cows within the food chain," Benites-Palomino said in a statement,
The digging, directed by Marcelo Sanchez-Villagra, head of the Palaeontological Institute and Museum in Zurich, Switzerland, was both challenging and rewarding. The site was initially discovered by a local farmer who spotted unusual rocks, inspiring the team to investigate further and eventually unearth the sea cow fossils.
学生第35题错因:关键段落在第二段,学生们做到后面,忘记了前面的内容,对整篇文本的总体把握能力有所欠缺。
正确答案:DBBC 全文译文:
一项新研究揭示了一种史前海牛曾遭遇两种不同捕食者——一种古代鳄鱼和一只虎鲨的捕食,这为数百万年前复杂的食物链提供了罕见的研究视角。该研究由一个国际科学家团队完成,并发表在《脊椎动物古生物学杂志》(Journal of Vertebrate Paleontology)上,揭示了极为少见的单一猎物遭遇多种捕食者攻击的实例。
这只海牛属于已灭绝的库勒布拉瑟兽(Culebratherium)类,最初被一只鳄鱼攻击。证据显示,在首次攻击后,海牛遗骸又被一只虎鲨盯上,研究团队在该不幸动物的颈部附近发现了一颗虎鲨牙齿。
“你看过蝙蝠侠的电影吗?里面有一个情节是蝙蝠侠和阿尔弗雷德在打靶,试图找到某种特定的子弹,”该研究的主要作者Benites-Palomino说道。“我们的研究过程类似:我们在野外观察捕食者如何攻击猎物,然后再比对找到的化石场景,分析哪种情况最符合我们观察到的证据。”
这一发现尤为重要,因为它为化石记录中多个捕食者与单一猎物的互动增加了珍贵实例。这样的捕食关系在现代生态系统中很常见,但在化石记录中极少见到,因此这一发现对理解古代食物链具有重要意义。
“我们一直不确定哪些动物可能成为多种捕食者的共同猎物。我们之前的研究曾发现多种鲨鱼会共同觅食抹香鲸,而这项新研究则突显出海牛在食物链中的关键角色,”Benites-Palomino在一份声明中说道。
这项挖掘工作由瑞士苏黎世古生物研究所和博物馆的负责人Marcelo Sanchez-Villagra领导,既具挑战性又收获颇丰。该地点最初由一位当地农民发现,他发现了一些异常岩石,引起了研究团队的关注,最终发掘出了这只海牛的化石。
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