TOEFL TPO -1 Writing Task 1 Sample: Summarize the points made in the lecture, being sure to explain how they respond to the specific points made in the reading passage.

1.子项得分 任务完成度：4 组织：4 连贯与衔接：4 语言使用：3

2.预估分数

25. 3.任务完成度

整体来说，文章较好地完成了任务要求，概述了听力中的观点并对阅读材料中的论点进行了反驳。但在语言表达上还有待提高，部分句子表达不够准确。建议在复习时加强对英语词汇和语法的学习，以便更准确地表达自己的观点。

示例1： 原文：“But when the predators catch otters, they would eat them immediately, so there would no dead body being washed up.” 改进：“When predators catch otters, they eat them immediately, leaving no dead bodies to wash up on the shore.”

示例2： 原文：“Since small sea mammals are available all the sea, orcas may begin to prey on them currently.” 改进：“Since smaller sea mammals are now more readily available, orcas may have started preying on them instead.”

4.文章结构与组织 文章结构方面基本合理，包括引言、正文和结论。每段都集中讨论一个具体观点，并提供支持细节。但在段落之间的过渡上还有待加强，建议使用一些过渡词或短语来使文章更连贯。

示例1： 原文：“Firstly, the authors posits there are known sources of pollution along the Alaskan coast, such as oil rigs and industrial chemical pollution.” 改进：“To begin with, the author posits that there are known sources of pollution along the Alaskan coast, such as oil rigs and industrial chemical pollution.”

示例2： 原文：“Secondly, the author claims that only widely occurring predators such as orcas can cause a decline to otters along with other sea mammals at the same time.” 改进：“Furthermore, the author claims that only widely occurring predators, such as orcas, can cause a decline in otters and other sea mammals simultaneously.”

5. 语法批改

In the reading material, the author presents three reasons to prove pollution is the main cause of the otter decline along the western coast of North American. However, the professor disputes each of these reasons and offers reasons to prove that orca preydationgradation(misspelling) is the true cause for otter decline indeed. Firstly, the authors posits there are known sources of pollution along the Alaskan coast, such as oil rigs and industrial chemical pollution. However, the professor argues that it can't be the pollution that cause otters' death, since no one can find any dead sea otter washing up thein the(This rule identifies whether the preposition 'in' is missing in a sentence.) beaches. But when the predators catch otters, they would eat them immediately, so there would no dead body being washed up. Secondly, the author claims that only widely occurring predators such as orcas can cause a decline to otters along with other sea mammals at the same time. But the orcas only prey on other whales, it can't be them that endanger the sea mammals. Nevertheless, the professor disputes this reason by explaining that orcas have changed their diet due to the fact whales have disappeared by human hunters. Since small sea mammals are available all the sea, orcas may begin to prey on them currently. Lastly, the author suggests that ocean currents or other environmental factors may lead to uneven concentration of pollutants along the coast, resulting in the uneven pattern of otter decline. However, the professor counteracts this reason, otters in the location easily access to orcas have declined greatly, while those living in the shallow beaches didn't decline obviously since orcas are too big to approach these areas.

Section Title: 6.文章修订

The reading passage argues that pollution is the primary cause of the sea otter population decline along the western coast of North America, presenting three reasons to support this claim. However, the lecture challenges these points and provides evidence suggesting that orca predation is, in fact, the true cause of the otter decline.

Firstly, the reading passage states that known sources of pollution along the Alaskan coast, such as oil rigs and industrial chemical pollution, could be responsible for weakening otters' resistance to infections and causing their deaths. In contrast, the lecturer contends that if pollution were responsible for otter deaths, one would expect to find dead sea otters washed up on beaches. However, this is not observed; instead, it aligns with the predator hypothesis where predators consume otters immediately after killing them.

Secondly, the author asserts that environmental pollution is likely affecting not only sea otters but also other sea mammals like seals and sea lions. The reading claims that orcas could not be responsible for this decline since they primarily prey on larger marine animals like whales. Nevertheless, the lecturer refutes this by explaining that due to human hunting activities depleting whale populations in the area, orcas have had to adapt their diet to include smaller marine mammals such as seals, sea lions, and sea otters.

Lastly, the reading passage suggests that uneven concentrations of pollutants along the coast may account for variations in otter population declines at different locations. The lecturer counters this argument by stating that accessibility to orcas better explains these disparities: in areas easily accessible to orcas, sea otter populations have declined significantly; however, in shallow or rocky locations where orcas cannot venture due to their size, sea otter populations remain stable.

In conclusion (Omit), while the reading passage posits pollution as a primary factor contributing to declining sea otter populations along North America's western coast, the lecture provides compelling evidence to support the hypothesis that orca predation is the true cause of this decline. (334 words)

In the reading material, the author presents Revised essay: Article Revision

The reading passage argues that pollution is the primary cause of the sea otter population decline along the western coast of North America, presenting three reasons to prove pollution is the main cause of the otter decline along the western coast of North American. support this claim. However, the professor disputes each of lecture challenges these reasons and offers reasons to prove points and provides evidence suggesting that orca preydation is predation is, in fact, the true cause for otter decline indeed. of the otter decline.

Firstly, the authors posits there are reading passage states that known sources of pollution along the Alaskan coast, such as oil rigs and industrial chemical pollution. pollution (changed "authors posits" to "reading passage states" for clarity), could be responsible for weakening otters' resistance to infections and causing their deaths. In contrast, the lecturer contends that if pollution were responsible for otter deaths (changed "it can't be" to "if" for a more natural tone), one would expect to find dead sea otters washed up on beaches. However, the professor argues that this is not observed; instead, it can't aligns with the predator hypothesis where predators consume otters immediately after killing them.

Secondly, the author asserts that environmental pollution is likely affecting not only sea otters but also other sea mammals like seals and sea lions (rephrased sentence for clarity). The reading claims that orcas could not be the pollution that cause otters' death, responsible for this decline since no one can find any dead sea otter washing up the beaches. But when the predators catch otters, they would eat them immediately, so there would no dead body being washed up. ¶ Secondly, the author claims that only widely occurring predators primarily prey on larger marine animals like whales. Nevertheless, the lecturer refutes this by explaining that due to human hunting activities depleting whale populations in the area (added context), orcas have had to adapt their diet to include smaller marine mammals such as orcas can cause a decline to otters along with other sea mammals at the same time. But the orcas only prey on other whales, it can't be them that endanger the sea mammals. Nevertheless, the professor disputes this reason by explaining that orcas have changed their diet due to the fact whales have disappeared by human hunters. Since small sea mammals are available all the sea, orcas may begin to prey on them currently. seals, sea lions, and sea otters.

Lastly, the author reading passage suggests that ocean currents or other environmental factors may lead to uneven concentration concentrations of pollutants along the coast, resulting in the uneven pattern of otter decline. However, the professor counteracts this reason, otters in the location coast may account for variations in otter population declines at different locations (rephrased sentence for clarity). The lecturer counters this argument by stating that accessibility to orcas better explains these disparities: in areas easily access to orcas accessible to orcas (added context), sea otter populations have declined greatly, significantly; however, in shallow or rocky locations where orcas cannot venture due to their size, sea otter populations remain stable.

In conclusion, while those living in the shallow beaches didn't decline obviously since orcas are too big to approach these areas.the reading passage posits pollution as a primary factor contributing to declining sea otter populations along North America's western coast, the lecture provides compelling evidence to support the hypothesis that orca predation is the true cause of this decline.

8. Mind Map

Mind Map:

- Introduction
  - Reading passage: pollution as primary cause
  - Lecture: orca predation as true cause

- Point 1: Pollution and weakened resistance
  - Reading passage: oil rigs, industrial chemicals
  - Lecture: lack of dead otters on beaches, predator hypothesis

- Point 2: Effects on other sea mammals
  - Reading passage: seals, sea lions also affected; orcas not responsible
  - Lecture: orcas adapting diet due to depleted whale populations

- Point 3: Uneven concentrations of pollutants
  - Reading passage: variations in otter population declines
  - Lecture: accessibility to orcas explains disparities better

- Conclusion (Omit)

9. Keywords