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[Reading Comprehension]
试题详情
文章：
| Line | Conodonts, the spiky phosphatic remains (bones |
| and teeth composed of calcium phosphate) of | |
| tiny marine animals that probably appeared about | |
| 520 million years ago, were once among the most | |
| (5) | controversial of fossils. Both the nature of the |
| organism to which the remains belonged and the | |
| function of the remains were unknown. However, | |
| since the 1981 discovery of fossils preserving not | |
| just the phosphatic elements but also other remains | |
| (10) | of the tiny soft-bodied animals (also called conodonts) |
| that bore them, scientists' reconstructions of the | |
| animals' anatomy have had important implications | |
| for hypotheses concerning the development of the | |
| vertebrate skeleton. | |
| (15) | The vertebrate skeleton had traditionally been |
| regarded as a defensive development, champions of | |
| this view postulating that it was only with the much | |
| later evolution of jaws that vertebrates became | |
| predators. The first vertebrates, which were soft- | |
| (20) | bodied, would have been easy prey for numerous |
| invertebrate carnivores, especially if these early | |
| vertebrates were sedentary suspension feeders. | |
| Thus, traditionalists argued, these animals developed | |
| coverings of bony scales or plates, and teeth were | |
| (25) | secondary features, adapted from the protective |
| bony scales. Indeed, external skeletons of this | |
| type are common among the well-known fossils of | |
| ostracoderms, jawless vertebrates that existed from | |
| approximately 500 to 400 million years ago. | |
| (30) | However, other paleontologists argued that many of |
| the definitive characteristics of vertebrates, such as | |
| paired eyes and muscular and skeletal adaptations | |
| for active life, would not have evolved unless the | |
| (35) | first vertebrates were predatory. Teeth were more |
| primitive than external armor according to this view, | |
| and the earliest vertebrates were predators. | |
| The stiffening notochord along the back of the | |
| body, V-shaped muscle blocks along the sides, | |
| (40) | and posterior tail fins help to identify conodonts as |
| among the most primitive of vertebrates. The lack of | |
| any mineralized structures apart from the elements | |
| in the mouth indicates that conodonts were more | |
| primitive than the armored jawless fishes such as the | |
| (45) | ostracoderms. It now appears that the hard parts that |
| first evolved in the mouth of an animal improved its | |
| efficiency as a predator, and that aggression rather | |
| than protection was the driving force behind the origin | |
| of the vertebrate skeleton. |
题目：
The second paragraph in the passage serves primarily to
选项:
答案:
E
提问：
想请教一下您这篇文章（conodonts）逻辑结构。
第一段
第一句：观点句
第二句：解释
第三句：观点句（总体来说引出下文）
第二段
第一句：一方观点句
第二三四句：细节句（不太清楚是哪个角度，感觉是把观点详细解释了下）
第五句（however）：另一方观点句
第六句：细节句（详细阐述观点？）
第三段
第一句：观点句
第二句：细节句（实在不清楚角度是什么，觉得是在得出观点后对于某一个现象得出的结论）
第三句：作者观点句
用我这样的结构分析的话，感觉要看很多，尤其第一段基本都看了，但是做题后发现其实第一段用途不大。
然后的话，我发现挺多篇第一段我基本都有读，因为觉得每一句都不是细节句，请问我这个情况该怎么处理呢？
另外的话 这道题 我选了B，不太清楚为什么B你可以。
解答：
点赞0
阅读3508
提问：
我是张慧雯老师，本解析专为参与《GMAT阅读能力提升营》的同学录制，点击即可听详细解析喽~
解答：
点赞2
阅读3606
提问：
老师呀 我选了B 因为这个里面能看出traditional是一种看法儿 然后因为1981年发现了新的化石又产生了一种看法 这不就是B嘛
解答：
点赞0
阅读3521
提问：
想请教一下您这篇文章（conodonts）逻辑结构。
第一段
第一句：观点句
第二句：解释
第三句：观点句（总体来说引出下文）
第二段
第一句：一方观点句
第二三四句：细节句（不太清楚是哪个角度，感觉是把观点详细解释了下）
第五句（however）：另一方观点句
第六句：细节句（详细阐述观点？）
第三段
第一句：观点句
第二句：细节句（实在不清楚角度是什么，觉得是在得出观点后对于某一个现象得出的结论）
第三句：作者观点句
用我这样的结构分析的话，感觉要看很多，尤其第一段基本都看了，但是做题后发现其实第一段用途不大。
然后的话，我发现挺多篇第一段我基本都有读，因为觉得每一句都不是细节句，请问我这个情况该怎么处理呢？
另外的话 这道题 我选了B，不太清楚为什么B你可以。
解答：
点赞0
阅读3509
提问：
解答：
点赞0
阅读3487
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