TOEFL TPO 45 Writing Task 1 Sample: Summarize the points made in the lecture, being sure to explain how they cast doubt on the specific points made in the reading passage.
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문제 개요
지문
Did bees a type of insect exist on Earth as early as 200 million years ago? Such a theory is supported by the discovery of very old fossil structures that resemble bee nests. The structures have been found inside 200-million-year-old fossilized trees in the state of Arizona in the southwestern United States. However, many skeptics doubt that the structures were created by bees. The skeptics support their view with several arguments.No Fossils of Actual BeesFirst, no fossil remains of actual bees have ever been found that date to 200 million years ago. The earliest preserved body of a bee is 100 million years old—only half as old as the fossilized structures discovered in Arizona.Absence of Flowering PlantsA second reason to doubt that bees existed 200 million years ago is the absence of flowering plants in that period. Today's bees feed almost exclusively on the flowers of flowering plants; in fact, bees and flowering plants have evolved a close, mutually dependent biological relationship. Flowering plants, however, first appeared on Earth 125 million years ago. Given the bees' close association with flowering plants, it is unlikely bees could have existed before that time.Structures Lack Some DetailsThird, while the fossilized structures found in Arizona are somewhat similar to nest chambers made by modern bees, they lack some of the finer details of bees' nests. For example, chambers of modern bee nests are closed by caps that have a spiral pattern, but the fossilized chambers lack such caps. That suggests the fossilized structures were made by other insects, such as wood-boring beetles.
질문
Summarize the points made in the lecture, being sure to explain how they cast doubt on the specific points made in the reading passage.
사용자 샘플 및 평가 결과
1사용자 예시 #1
While the reading passage shows that the theory of existence of bees means there are no bees as early as 200 million years age, the professor argues t...
점수20
사용자 예시 #1
While the reading passage shows that the theory of existence of bees means there are no bees as early as 200 million years age, the professor argues t...
사용자 예시
While the reading passage shows that the theory of existence of bees means there are no bees as early as 200 million years age, the professor argues that the theory is not convincing. First of all, the professor believes that the fossile of bees are not preserved. For instance, the bees always stayed on a kind of trees, the tree is rare today, and the fossile will not exist because of no trees, which is a contradiction of the reading passage which shows that there are no fossil of bees means there were no bees before. Second, the reading passage implies that there were no flowering plants before and bees can not survive. However, the professor argues that bees may not feed on flowers before, they may adapt to feed on other sources of food. Finally, the professor shows that bees could identify a kind of chemical, which means that bees before have a same structure with contemporary bees, which is contrast to the point of reading passage that fossilized structures were made by other insects. In conclusion, the professor proposes three significant perspectives which could subvert the statemnets in the reading passage.
평가 결과
1.子项得分 任务完成度:3 组织:3 连贯与衔接:3 语言使用:3
2.预估分数
20. 3.任务完成度
整体来说,文章回答了题目要求的问题,但是在论述方面还有待加强。首先,在阐述听力部分的观点时,可以更详细地描述教授的论证过程,以增强说服力。其次,在反驳阅读部分观点时,需要更明确地指出听力部分如何质疑阅读材料的论点。
示例1: 原文:“However, the professor argues that bees may not feed on flowers before, they may adapt to feed on other sources of food.” 改进:“The professor counters this argument by stating that early bees could have fed on non-flowering plants such as ferns or pine trees before adapting to flowering plants later in their evolutionary history.”
示例2: 原文:“the professor shows that bees could identify a kind of chemical, which means that bees before have a same structure with contemporary bees” 改进:“The professor presents evidence of the presence of a distinctive waterproofing substance in the fossilized chambers, which is chemically identical to the one used by modern bees, suggesting that ancient bees built these chambers.”
4.文章结构与组织 文章的结构基本符合要求,包括引言、正文和结论。然而,在组织方面还有一些不足。首先,需要在段落之间加入过渡性词语或句子,使文章更加连贯。其次,可以在正文部分明确地指出每个段落反驳阅读材料的哪个观点,以增强逻辑性。
示例1: 原文:“First of all, the professor believes that the fossile of bees are not preserved.” 改进:“Firstly, in response to the reading passage's claim that no bee fossils have been found dating back 200 million years, the professor argues that...”
示例2: 原文:“Second, the reading passage implies that there were no flowering plants before and bees can not survive.” 改进:“Secondly, addressing the reading passage's assertion about the absence of flowering plants 200 million years ago, the professor contends that...”
5. 语法批改
While the reading passage shows that the theory of existence of bees means there are no bees as early as 200 million years age, the professor argues that the theory is not convincing.
First of allFirst(first of all (first)), the professor believes that the fossilefossil(misspelling) of bees are not preserved. For instance, the bees always stayed on a kind of trees, the tree is rare today, and the fossilefossil(misspelling) will not exist because of no trees, which is a contradiction of the reading passage which shows that there are no fossilfossils(Possible agreement error 'there're' + singular noun) of bees means there were no bees before.
Second, the reading passage implies that there were no flowering plants before and bees can not survive. However, the professor argues that bees may not feed on flowers before, they may adapt to feed on other sources of food.
Finally, the professor shows that bees could identify a kind of chemical, which means that bees before have a same structure with contemporary bees, which is contrastin contrast(This rule identifies whether the preposition 'in' is missing in a sentence.) to the point of reading passage that fossilized structures were made by other insects.
In conclusion, the professor proposes three significant perspectives which could subvert the statemnetsstatements(misspelling) in the reading passage.
Section Title: 6.文章修订
The reading passage posits that bees did not exist 200 million years ago, citing the lack of fossil evidence, absence of flowering plants, and differences in nest structures. However, the lecture casts doubt on these points by providing alternative explanations.
Firstly, the lecture contends that the absence of bee fossils from 200 million years ago does not necessarily mean they did not exist. The professor explains that bees are typically preserved in fossilized tree resin, which was scarce during that time period. Thus, it is possible that bees existed but were not preserved due to the rarity of suitable trees.
Secondly, while the reading passage asserts that bees could not have existed without flowering plants, the lecture challenges this assumption. The professor suggests that early bees may have fed on non-flowering plants such as ferns or pine trees before adapting to flowering plants when they evolved. This indicates that bees could have survived prior to the emergence of flowering plants.
Lastly, despite differences in nest structures between modern and ancient specimens, the lecture presents chemical evidence supporting the idea that ancient bees built these chambers. The professor explains that modern bees use a distinctive waterproofing substance to protect their nests from water damage. Upon analyzing the fossilized chambers, researchers discovered this same waterproofing material present in them.
In light of these points made by the professor, it becomes evident that there is room for doubt regarding the assertions made in the reading passage about bee existence 200 million years ago. (253 words)
While the The reading passage shows that the theory of existence of bees means there are no bees as early as posits that bees did not exist 200 million years age, the ago, citing the lack of fossil evidence, absence of flowering plants, and differences in nest structures. However, the lecture casts doubt on these points by providing alternative explanations (Changed to clarify the main idea of the paragraph).
Firstly, the lecture contends that the absence of bee fossils from 200 million years ago does not necessarily mean they did not exist. The professor argues that the theory explains that bees are typically preserved in fossilized tree resin, which was scarce during that time period. Thus, it is not convincing. ¶ First of all, the professor believes that the fossile of bees are not preserved. For instance, the bees always stayed on a kind of trees, the tree is rare today, and the fossile will not exist because of no trees, which is a contradiction of possible that bees existed but were not preserved due to the rarity of suitable trees (Revised for clarity and flow).
Secondly, while the reading passage which shows asserts that bees could not have existed without flowering plants, the lecture challenges this assumption. The professor suggests that early bees may have fed on non-flowering plants such as ferns or pine trees before adapting to flowering plants when they evolved. This indicates that bees could have survived prior to the emergence of flowering plants (Revised for clarity and flow).
Lastly, despite differences in nest structures between modern and ancient specimens, the lecture presents chemical evidence supporting the idea that ancient bees built these chambers. The professor explains that modern bees use a distinctive waterproofing substance to protect their nests from water damage. Upon analyzing the fossilized chambers, researchers discovered this same waterproofing material present in them (Revised for clarity and flow).
In light of these points made by the professor, it becomes evident that there are no fossil of bees means there were no bees before. ¶ Second, is room for doubt regarding the assertions made in the reading passage implies that there were no flowering plants before and bees can not survive. However, the professor argues that bees may not feed on flowers before, they may adapt to feed on other sources of food. ¶ Finally, the professor shows that bees could identify about bee existence 200 million years ago (Rephrased for a kind of chemical, which means that bees before have a same structure with contemporary bees, which is contrast to the point of reading passage that fossilized structures were made by other insects. ¶ In conclusion, the professor proposes three significant perspectives which could subvert the statemnets in the reading passage.more concise conclusion).
8. Mind Map
Mind Map:
- Introduction
- Reading passage claims
- Lecture challenges
- Absence of Fossils
- Reading: lack of evidence
- Lecture: scarcity of fossilized tree resin
- Flowering Plants
- Reading: bees need flowering plants
- Lecture: early bees fed on non-flowering plants
- Nest Structures
- Reading: differences in structures
- Lecture: chemical evidence of waterproofing substance
- Conclusion
- Doubt regarding reading passage assertions
9. Keywords
| Word | Phonetic Symbol | Part of Speech | English Definition | Simplified Chinese Translation | Sample Sentence |
|---|---|---|---|---|---|
| Fossil | /ˈfɒsəl/ | Noun | The remains or impression of a prehistoric organism preserved in petrified form or as a mold or cast. | 化石 | The fossil provides evidence that ancient bees existed. |
| Resin | /ˈrɛzɪn/ | Noun | A sticky flammable organic substance, insoluble in water, exuded by some trees and other plants. | 树脂 | Bees are typically preserved in fossilized tree resin. |
| Fern | /fərn/ | Noun | A flowerless plant that has feathery or leafy fronds and reproduces by spores released from the undersides of the fronds. | 蕨类植物 | Early bees may have fed on non-flowering plants such as ferns. |
| Waterproofing | /ˈwɔːtəpruːfɪŋ/ | Noun | The treatment of something to make it resistant to water penetration. | 防水处理 | The fossilized chambers had the same waterproofing material as modern bee nests. |
| Adapt | /əˈdæpt/ | Verb | Make (something) suitable for a new use or purpose; modify. | 适应 | Bees adapted to flowering plants when they evolved. |
| Emergence | /ɪˈmərdʒəns/ | Noun | The process of coming into view or becoming exposed after being concealed. | 出现 | The emergence of flowering plants changed the way bees fed. |
| Specimen | /ˈspɛsɪmən/ | Noun | An individual animal, plant, piece of a mineral, etc., used as an example of its species or type for scientific study or display. | 标本 | The ancient specimen had a different nest structure than modern bees. |
| Chamber | /ˈtʃeɪmbər/ | Noun | A large room used for formal or public events. | 室 | The fossilized chamber provides evidence that ancient bees built nests similar to modern ones. |
| Analyze | /ˈænəlaɪz/ | Verb | Examine methodically and in detail the constitution or structure of (something, especially information). | 分析 | Researchers analyzed the fossilized chambers to find evidence of waterproofing material. |
| Assertion | /əˈsɜrʃ(ə)n/ | Noun | A confident and forceful statement of fact or belief. | 断言 | The lecture casts doubt on the assertions made in the reading passage about bee existence. |