TOEFL TPO 24 Writing Task 1 Sample: Summarize the points made in the lecture, being sure to explain how they cast doubt on specific points made in the reading passage.
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Animal fossils usually provide very little opportunity to study the actual animal tissues, because in fossils the animals' living tissues have been largely replaced by minerals. Thus, scientists were very excited recently when it appeared that a 70-million-year-old fossil of Tyrannosaurus rex (T. rex), a dinosaur, might still contain remains of the actual tissues of the animal. The discovery was made when researchers deliberately broke open the T. rex’s leg bone, thereby exposing its insides to reveal materials that seem to be remains of blood vessels, red blood cells, and collagen matrix.First, the breaking of the fossilized leg bone revealed many small branching channels inside, which probably correspond to hollows in the bones where blood vessels were once located. The exciting finding was the presence of a soft, flexible organic substance inside the channels. This soft substance may very well represent the remains of the actual blood vessels of T. rex.Second, microscopic examination of the various parts of the inner bone revealed the presence of spheres that could be the remains of red blood cells. Tests showed that the spheres contained iron-a material vital to the role of red blood cells in transporting oxygen to tissues. Moreover, the spheres had dark red centers (substances with iron tend to be reddish in color) and were also about the size of red blood cells.Third, scientists performed a test on the dinosaur leg bone that showed that it contained collagen. Collagen is a fibrous protein that is a main component of living bone tissue, in which it forms a so-called collagen matrix. Collagen (or its chemical derivatives) is exactly the kind of biochemical material that one would expect to find in association with bone tissue.
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Summarize the points made in the lecture, being sure to explain how they cast doubt on specific points made in the reading passage.
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The professor in the lecture casts doubt on reading material’s belief that there’s many evidence to prove the presence of blood vessels remain in the rex’s leg bone. The professor asserts the argument and evidence of the reading material is not convincing. First and foremost, contract to the belief in the reading material that the presence of branching channels inside the bone and a soft, flexible organic substance indicate the blood vessels is probably actual, the professor asserts that the soft, flexible organic substance inside the channels isn’t necessary for vessels. He mentions that these hollows may caused by bacteria, the bacterial colonize the tissue and leave organic material to these hollows. Secondly, the author of reading material points out that the presence of spheres are ruminants of red blood cells, which refuted by the professor that the spheres also found in other animals which without the blood vessels. Finally, opposing to the idea of reading material that scientists found collagen in the dinosaur leg bone through experimental test, the professor contends that this element can’t remain long time which contrary to the fact that the fossil has existed for 70milion years. Collagen on the leg bone may from the researchers who handed the fossil.
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1.子项得分
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任务完成度:3
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文章结构与组织:3
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连贯性与衔接:3
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语言运用:3
2.预估分数
- 20
3.任务完成度 你的文章基本上涵盖了阅读和听力材料中的观点,但是在解释这些观点时,需要更加详细和准确。为了提高任务完成度,你可以:
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更详细地解释听力材料中的论点,以便更好地说明它们是如何对阅读材料产生质疑的。
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在描述阅读和听力材料中的论点时,尽量使用准确的词汇和表达。
示例1: 原文:“Secondly, the author of reading material points out that the presence of spheres are ruminants of red blood cells, which refuted by the professor that the spheres also found in other animals which without the blood vessels.” 改进:“Secondly, the reading passage claims that the presence of iron-filled spheres could be remnants of red blood cells; however, the professor refutes this by stating that similar spheres were found in fossils of other animals that did not have red blood cells when they were alive.”
示例2: 原文:“Finally, opposing to the idea of reading material that scientists found collagen in the dinosaur leg bone through experimental test, the professor contends that this element can’t remain long time which contrary to the fact that the fossil has existed for 70milion years.” 改进:“Finally, although the reading passage states that scientists found collagen in the dinosaur leg bone through experimental tests, the professor argues that collagen cannot last for such a long time, as it has never been found in animal remains older than one hundred thousand years. He suggests that the collagen might have come from a more recent source, such as the skin of the researchers handling the bone.”
4.文章结构与组织 你的文章结构基本上是清晰的,但是可以在以下方面进行改进:
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在引言部分更明确地介绍文章的主题和目的。
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在每个段落中使用更清晰的主题句来引导读者了解该段落的重点。
示例1: 原文:“The professor in the lecture casts doubt on reading material’s belief that there’s many evidence to prove the presence of blood vessels remain in the rex’s leg bone.” 改进:“The professor in the lecture casts doubt on several points made in the reading passage regarding the discovery of potential dinosaur tissue remains in a T. rex's leg bone.”
示例2: 原文:“First and foremost, contract to the belief in the reading material that…” 改进:“Firstly, contrary to the reading passage's claim that branching channels and a soft, flexible organic substance inside T. rex's leg bone indicate actual blood vessels…”
5. 语法批改
The professor in the lecture casts doubt on reading material’s belief that there’s many evidencemuch evidence(Possible agreement error: 'many/several/few' + uncountable noun) to prove the presence of blood vessels remain in the rexRex(misspelling)’s leg bone. The professor asserts the argument and evidence of the reading material is not convincing.
First and foremost, contract to the belief in the reading material that the presence of branching channels inside the bone and a soft, flexible organic substance indicate the blood vessels is probably actual, the professor asserts that the soft, flexible organic substance inside the channels isn’t necessary for vessels. He mentions that these hollows may causedbe caused(it would (be) appreciated) by bacteria, the bacterial colonize the tissue and leave organic material to these hollows.
Secondly, the author of reading material points out that the presence of spheres are ruminants of red blood cells, which refuted by the professor that the spheres also found in other animals which without the blood vessels.
Finally, opposing to the idea of reading material that scientists found collagen in the dinosaur leg bone through experimental test, the professor contends that this element can’t remain long time which contrary to the fact that the fossil has existed for 70milion years. Collagen on the leg bone may from the researchers who handed the fossil.
Section Title: 6.文章修订
The professor in the lecture casts doubt on the reading material's assertion that there is substantial evidence to prove the presence of blood vessel remains in the T. rex's leg bone. The professor argues that the evidence presented in the reading material is not convincing.
First and foremost, contrary to the belief in the reading material that the presence of branching channels inside the bone and a soft, flexible organic substance indicate that blood vessels are probably present, the professor asserts that this soft, flexible organic substance inside the channels isn't necessarily from blood vessels. He mentions that these hollows may have been caused by bacteria, which colonize tissues and leave organic material in these hollows.
Secondly, the author of the reading material points out that the presence of spheres are remnants of red blood cells. However, this claim is refuted by the professor who states that these spheres have also been found in other animals without blood vessels.
Finally, opposing to the idea presented in the reading material that scientists found collagen in the dinosaur leg bone through experimental tests, the professor contends that this element cannot remain for such a long time, which contradicts with fact that fossil has existed for 70 million years. The collagen on leg bone may have come from researchers who handled fossil. (222 words)
The professor in the lecture casts doubt on reading material’s belief that there’s the reading material's assertion that there is substantial evidence to prove the presence of blood vessel remains in the T. rex's leg bone (Changed "there's many evidence" to "there is substantial evidence" for better grammar and clarity). The professor argues that the evidence to prove the presence of blood vessels remain in the rex’s leg bone. The professor asserts the argument and evidence of presented in the reading material is not convincing.
First and foremost, contract contrary (Changed "contract" to "contrary" for correct word usage) to the belief in the reading material that the presence of branching channels inside the bone and a soft, flexible organic substance indicate the that blood vessels is are probably actual, present, the professor asserts that the this soft, flexible organic substance inside the channels isn’t isn't necessarily from blood vessels (Changed "isn't necessary for vessels. vessels" to "isn't necessarily from blood vessels" for better clarity). He mentions that these hollows may have been caused by bacteria, the bacterial bacteria (Changed "may caused by bacteria" to "may have been caused by bacteria" for correct grammar), which colonize the tissue tissues and leave organic material to in these hollows.
Secondly, the author of the reading material points out that the presence of spheres are ruminants remnants of red blood cells, which cells (Changed "ruminants" to "remnants" for correct word usage). However, this claim is refuted by the professor that the who states that these spheres have also been found in other animals which without the blood vessels. blood vessels (Changed "which without blood vessels" to "without blood vessels" for better grammar).
Finally, opposing to (Changed "opposing to" to "contradicting") the idea of presented in the reading material that scientists found collagen in the dinosaur leg bone through experimental test, tests, the professor contends that this element can’t cannot remain for such a long time (Added ", which contrary to the contradicts with fact that the fossil has existed for 70milion 70 million years." after ", which contradicts with fact that fossil has existed for 70 million years." for better clarity), which contradicts with fact that fossil has existed for 70 million years. Collagen The collagen on the leg bone may have come from the researchers who handed the fossil.handled fossil (Changed "handed" to "handled" for correct word usage).
8. Mind Map
1. Introduction
- Essay structure
- Lecture points
2. Branching Channels and Organic Substance
- Reading material: Evidence of blood vessels
- Lecture: Bacteria colonization
3. Spheres as Red Blood Cell Remnants
- Reading material: Evidence of red blood cells
- Lecture: Found in other animals without blood vessels
4. Collagen Presence in Dinosaur Leg Bone
- Reading material: Experimental tests found collagen
- Lecture: Collagen cannot remain for 70 million years, possible contamination
5. Conclusion
- Summarize lecture's counterarguments to reading material's claims
9. Keywords
| Word | Phonetic Symbol | Part of Speech | English Definition | Simplified Chinese Translation | Sample Sentence |
|---|---|---|---|---|---|
| assertion | /əˈsɜrʃən/ | noun | a confident and forceful statement of fact or belief | 主张 | The author's assertion was challenged by the professor during the lecture. |
| substantial | /səbˈstænʃəl/ | adjective | of considerable importance, size, or worth | 大量的 | There is substantial evidence to support the theory presented in the article. |
| colonize | /ˈkɒlənaɪz/ | verb | (of plants or animals) establish a colony in a new area | 殖民 | Bacteria can colonize tissues and leave organic material behind. |
| remnants | /ˈrɛmnənts/ | noun | /a small remaining quantity of something | /残余物 | /The remnants of the ancient civilization can still be seen in the area today. |
| refute | /rɪˈfjut/ | verb | /prove (a statement or theory) to be wrong or false | /反驳 | /The professor refuted the claim made in the reading material during his lecture. |
| contradict | /ˌkɒntrəˈdɪkt/ | verb | /deny the truth of (a statement) by asserting the opposite | 矛盾 | /His statement contradicts the evidence presented earlier in the discussion. |
| experimental tests | /ɪkˌspɛrəˈmɛntl tɛsts/ | noun | tests conducted to prove or disprove a hypothesis | 实验测试 | The experimental tests showed that the new drug was effective in treating cancer. |
| contamination | /kənˌtæməˈneɪʃən/ | noun | the action or state of making something impure | 污染 | The contamination of the sample may have affected the results of the experiment. |
| counterarguments | /ˈkaʊntərˌɑrgjumənts/ | noun | an argument or set of reasons put forward to oppose an idea or theory developed in another argument. | 反驳论点 | The professor presented several counterarguments to challenge the author's claims. |
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