TOEFL TPO -1 Writing Task 1 Sample: Question: Summarize the points made in the lecture, being sure to explain how they cast doubt on the specific theories mentioned in the reading passage.

1.子项得分 任务完成度：2 组织：2 连贯与衔接：2 语言使用：3

2.预估分数

14. 3.任务完成度

您的文章没有正确回答问题，因为它没有总结听力中的观点，而是重复了阅读部分的内容。为了提高任务完成度，请确保您仔细阅读题目并理解所需回答的问题。在这种情况下，您应该总结听力中提到的观点，并解释它们如何对阅读部分中提到的理论产生怀疑。

例如： 错误：在文章中重复了阅读部分的内容。 正确：总结听力部分，并解释它如何对阅读部分产生怀疑。

4.文章结构与组织 您的文章缺乏清晰的结构和组织。为了改进，请确保您有一个简短的引言，概述您将讨论的主题；然后，在正文段落中详细讨论每个观点；最后，用一个简短的结论来总结您的想法。同时，请确保在段落之间使用恰当的过渡词或短语来帮助读者理解不同观点之间的联系。

例如： 错误：没有清晰地区分引言、正文和结论。 正确：使用清晰的段落和过渡词来组织文章，使其更易于理解。

5. 语法批改

On the topic you just read about. The decline of the American burying beetle is very mysterious. Unfortunately, none of the theories you read about can explain why the species is dying out. 

First, the pesticide theory is appealing because pesticides definitely can have a powerful effect on the environment. But in the northeastern usUS(In the us (US)) the decline of the beetle population began several years before the first chemical pesticides were introduced there. And in some areas of the mid westernmid-western(missing hyphen after 'mid') United States, the beetle population survived for 20 or 30 years after chemical pesticides became widely used. There. So in at least two regions of the United States, which once had very large beetle populations, the pesticides don't seem to have a direct link with the Beatles decline. 

Second, there's a problem with the development theory as well. In the United States, there are a number of beetle species related to the American burying beetle that have a very similar mode of life and live in very similar habitats. The habitats of these related beetle species have also been fragmented by development. However, their populations have not declined significantly. If habitat fragmentation hasn't caused a decline in the related beetle species, there's no reason why it should have caused the decline of the American burying beetle. 

Third, in thinking about that competition theory, it's important to consider some special characteristics of the burying beetle that the reading did not mention. The burying Beatles have a powerful sense of smell and, and(comma between independent clauses) they can locate new food sources very quickly and from long distances. Once the Beatles find the food, they spray it with a special chemical that blocks it smell. This smell blocking chemical keeps animals such as the scavenger mammals from being able to find the food. With these important advantages over other species, it doesn't seem likely that increased numbers of competitors could affect the Beatles so drastically. 

Section Title: 6.文章修订

Revised Essay:

The decline of the American burying beetle remains an enigma, as none of the theories presented in the reading passage can adequately explain the species' dwindling numbers.

Firstly, while the pesticide theory seems plausible due to the undeniable impact of pesticides on the environment, it does not align with the timeline of the beetle's decline. In northeastern United States, the decrease in beetle population commenced several years before chemical pesticides were introduced. Furthermore, in some areas of the midwestern United States, beetle populations persisted for 20 to 30 years after widespread pesticide usage. Consequently, in at least two regions with historically large beetle populations, there appears to be no direct correlation between pesticides and their decline.

Secondly, there are issues with the development theory as well. Numerous beetle species related to the American burying beetle share similar lifestyles and habitats. These habitats have also experienced fragmentation due to development; however, these related species have not suffered significant population declines. If habitat fragmentation has not adversely affected these related beetles, it is unreasonable to assume that it would cause a decline in American burying beetles.

Lastly, when considering the competition theory, it is essential to take into account certain unique characteristics of burying beetles that were not mentioned in the reading passage. Burying beetles possess a keen sense of smell and can swiftly locate new food sources from great distances. Upon finding food, they emit a special chemical that neutralizes its odor. This odor-blocking substance prevents scavenger mammals from detecting and consuming their food source. Given these advantageous traits over other species, it seems improbable that an increase in competitors would have such a drastic effect on burying beetles.

In light of these points raised during the lecture, it becomes evident that none of the theories discussed in the reading passage provide a satisfactory explanation for the decline of American burying beetles. (316 words)

On the topic you just read about. Revised Essay with Inline Explanations:

The decline of the American burying beetle is very mysterious. Unfortunately, remains an enigma (revised for clarity), as none of the theories you read about presented in the reading passage can adequately explain why the species is dying out. the species' dwindling numbers (revised for coherence).

First, Firstly (added for transition), while the pesticide theory is appealing because seems plausible due to the undeniable impact of pesticides definitely can have a powerful effect on the environment. But in the environment, it does not align with the timeline of the beetle's decline. In northeastern us the decline of the United States, the decrease in beetle population began commenced several years before the first chemical pesticides were introduced there. And (revised for clarity). Furthermore, in some areas of the mid western midwestern United States, the beetle population survived beetle populations persisted for 20 or to 30 years after chemical pesticides became widely used. There. So widespread pesticide usage (revised for coherence). Consequently, in at least two regions of the United States, which once had very with historically large beetle populations, the there appears to be no direct correlation between pesticides don't seem to have a direct link with the Beatles decline. and their decline (revised for clarity).

Second, there's a problem Secondly (added for transition), there are issues with the development theory as well. In the United States, there are a number of Numerous beetle species related to the American burying beetle that share similar lifestyles and habitats. These habitats have a very similar mode of life and live in very similar habitats. The habitats of also experienced fragmentation due to development; however, these related beetle species have also been fragmented by development. However, their populations have not declined significantly. suffered significant population declines (revised for coherence). If habitat fragmentation hasn't caused has not adversely affected these related beetles, it is unreasonable to assume that it would cause a decline in the related beetle species, there's no reason why it should have caused the decline of the American burying beetle. beetles (revised for clarity).

Third, in thinking about that Lastly (added for transition), when considering the competition theory, it's important to consider some special it is essential to take into account certain unique characteristics of the burying beetle burying beetles that were not mentioned in the reading did not mention. The burying Beatles have passage. Burying beetles possess a powerful keen sense of smell and they can swiftly locate new food sources very quickly and from long distances. Once the Beatles find the great distances (revised for clarity). Upon finding food, they spray it with emit a special chemical that blocks it smell. neutralizes its odor (revised for coherence). This smell blocking chemical keeps animals such as the odor-blocking substance prevents scavenger mammals from being able to find the food. With detecting and consuming their food source. Given these important advantages advantageous traits over other species, it doesn't seem likely seems improbable that increased numbers of an increase in competitors could affect the Beatles so drastically.would have such a drastic effect on burying beetles (revised for clarity).

In light of these points raised during the lecture, it becomes evident that none of the theories discussed in the reading passage provide a satisfactory explanation for the decline of American burying beetles (revised for coherence).

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Section Title: 8. Mind Map

Use the following mind map to help structure your essay and points of lecture:

1. Introduction
   - Decline of American burying beetle
   - Theories from reading passage

2. Pesticide Theory
   - Impact of pesticides on environment
   - Timeline discrepancy in beetle decline

3. Development Theory
   - Fragmentation of habitats
   - Related species not affected by habitat changes

4. Competition Theory
   - Unique characteristics of burying beetles (sense of smell, odor-blocking substance)
   - Improbability of drastic effect from competitors

5. Conclusion
   - None of the theories provide a satisfactory explanation for the decline.

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Section Title: 9. Keywords