TOEFL TPO -1 Writing Task 1 Sample: Summarize the points made in the lecture, being sure to explain how they cast doubt on the specific theories presented 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，你的文章在任务完成度方面表现得相当不错。你成功地总结了听力材料中的观点，并对阅读材料中提出的理论进行了反驳。然而，为了进一步提高任务完成度，建议你在文章中更详细地解释听力材料是如何对阅读材料中的理论产生怀疑的。

示例1： 原文：However, the professor contends that acid rain is not the main factor by providing a study. 修改后：However, the professor contends that acid rain is not the main factor by citing a study that shows sugar maples growing slower in all types of soil, regardless of whether they were exposed to acid rain or not.

示例2： 原文：In this regard, the positive impacts in summer would compare to the negative impacts in winter which is hard to say climate change is a factor leading to sugar maple’s decline. 修改后：In this regard, the professor argues that the positive impacts of warmer temperatures and increased rainfall during summer should counterbalance any negative effects caused by warmer winters, making it difficult to attribute sugar maple decline solely to climate change.

4.文章结构与组织 你的文章结构和组织方面表现良好，包括引言、正文和结论。每个段落都集中讨论了一个特定的观点，并提供了支持细节。然而，为了使文章更加清晰和连贯，建议你在段落之间使用更明确的过渡词或短语。

示例1： 原文：Firstly, the author holds that acid rain negatively impacts sugar maple by releasing toxic aluminum and depriving nutrients. 修改后：To begin with, the author of the reading passage claims that acid rain negatively impacts sugar maple trees by releasing toxic aluminum and depriving them of essential nutrients.

示例2： 原文：Secondly, the author holds that sugar maple decline is caused by insects called forest tent caterpillar which feed on the leaves of sugar maple. 修改后：In contrast, the professor in the listening passage argues that while forest tent caterpillars do feed on sugar maple leaves, these trees have coexisted with these insects for thousands of years and are usually able to recover from any damage caused by them.

5. 语法批改

The reading and listening material both concerned about the declining health of sugar maple trees. While the author in the reading proposed three theories to explain the reason, the professor rebuts them by saying those are not convincing.

Firstly, the author holds that acid rain negatively impacts sugar maple by releasing toxic aluminum and depriving nutrients. However, the professor contends that acid rain is not the main factor by providing a study. In the study, the researcher observeobserves(punctuation + singular noun + plural verb) sugar maple which grow in different kinds of soils. While some of soilsome soil(all/most/some (of) + noun) with acid, others without acid. The result coming out that sugar maple trees grow slower in all kinds of soil. In this case, the sugar maple tree which do not reach to the acid would still be negatively impact, thus indicates that acid is not the main cause.

Secondly, the author holds that sugar maple decline is caused by insects called forest tent caterpillarcaterpillar,(This rule identifies whether commas are missing in a sentence.) which feed on the leaves of sugar maple. On the contrary, the professor believes that sugar maple recover from the caterpillar’s damage pretty quickly. Since the sugar maple and caterpillar have already co-existco-existed(Agreement: 'have' + past/present tense) in the forest for thousanda thousand(Numeral (dozen, hundred, thousand, million) without a determiner or a number) years. So sugar maple should have adopted to the caterpillar. What’s more, the sugar maple used to have enough energy to recover formfrom(Detects potentially wrong usage of "form") the damage. However, nowadaysnowadays,(Comma after 'nowadays) sugar maple became weak and sick before the caterpillar come to feed. In this case, this unknown factor that causing sugar maple weak is the true reason.

Lastly, the author states that climate change which getting warmer could be causing sugar maple decline. However, the professor disputes that during the summer, when the weather is very warm which is the ideal time for sugar maple to grow, the sugar maple will grow faster. Although the sugar maple could not grow well in the nowadays winter, the better growth in the summer would make up. In this regard, the positive impacts in summer would compare to the negative impacts in winterwinter,(This rule identifies whether commas are missing in a sentence.) which is hard to say climate change is a factor leading to sugar maple’s decline.

Section Title: 6.文章修订

The reading and listening materials both discuss the declining health of sugar maple trees. While the author in the reading proposes three theories to explain the reason, the professor rebuts them by stating that they are not convincing.

Firstly, the author suggests that acid rain negatively impacts sugar maple trees by releasing toxic aluminum and depriving them of nutrients. However, the professor contends that acid rain is not the main factor, citing a study in which researchers observed sugar maples growing in different types of soils. Some soils were exposed to acid rain, while others were not. The results showed that sugar maple trees grew slower in all kinds of soil, even those not exposed to acid rain. This indicates that acid rain is not the primary cause of their decline.

Secondly, the author posits that sugar maple decline is caused by insects called forest tent caterpillars, which feed on the leaves of sugar maples. On the contrary, the professor believes that sugar maples usually recover from caterpillar damage quite quickly since they have coexisted with these insects for thousands of years and have adapted to their presence. Moreover, sugar maples used to have enough energy to recover from such damage. However, nowadays they become weak and sick before caterpillars arrive to feed on them. In this case, an unknown factor causing their weakened state is likely the true reason for their decline.

Lastly, the author asserts that climate change trends resulting in warmer temperatures could be causing sugar maple decline. However, the professor disputes this claim by pointing out that during summer months when weather conditions are warm and ideal for growth, sugar maples grow faster. Although they may struggle during winter months due to climate change effects, their improved growth during summer should compensate for this setback. In this regard, it is difficult to conclude that climate change is a significant factor leading to sugar maple decline since positive impacts during summer months counterbalance negative impacts in winter. (333 words)

Section Title: 7.文章修订

The reading and listening material materials both concerned about concern the declining health of sugar maple trees. While the author in the reading proposed proposes three theories to explain the reason, the professor rebuts them by saying those stating that they are not convincing. convincing (changed "saying" to "stating" for a more formal tone).

Firstly, the author holds suggests that acid rain negatively impacts sugar maple trees by releasing toxic aluminum and depriving them of nutrients. However, the professor contends that acid rain is not the main factor by providing factor, citing a study. In the study, the researcher observe sugar maple study in which grow researchers observed sugar maples growing in different kinds of soils. While some of soil with acid, types of soils (corrected "kinds" to "types" for better word choice). Some soils were exposed to acid rain, while others without acid. were not. The result coming out results showed that sugar maple trees grow grew slower in all kinds of soil. In this case, the sugar maple tree which do soil, even those not reach to the acid would still be negatively impact, thus exposed to acid rain (corrected grammar). This indicates that acid rain is not the main cause. primary cause of their decline.

Secondly, the author holds posits that sugar maple decline is caused by insects called forest tent caterpillar caterpillars, which feed on the leaves of sugar maple. maples. On the contrary, the professor believes that sugar maple maples usually recover from the caterpillar’s caterpillar damage pretty quickly. Since the sugar maple and caterpillar quite quickly since they have already co-exist in the forest for thousand years. So sugar maple should coexisted with these insects for thousands of years and have adopted to the caterpillar. What’s more, the sugar maple adapted to their presence (improved sentence structure). Moreover, sugar maples used to have enough energy to recover form the from such damage. However, nowadays sugar maple became they become weak and sick before the caterpillar come to feed. caterpillars arrive to feed on them (corrected grammar). In this case, this an unknown factor that causing sugar maple weak is their weakened state is likely the true reason. reason for their decline.

Lastly, the author states asserts that climate change which getting trends resulting in warmer temperatures could be causing sugar maple decline. However, the professor disputes this claim by pointing out that during the summer, summer months when the weather is very conditions are warm which is the and ideal time for sugar maple to grow, the sugar maple will for growth, sugar maples grow faster. faster (improved sentence structure). Although the sugar maple could not grow well in the nowadays winter, the better they may struggle during winter months due to climate change effects, their improved growth in the during summer would make up. should compensate for this setback (corrected grammar). In this regard, the it is difficult to conclude that climate change is a significant factor leading to sugar maple decline since positive impacts in during summer would compare to the months counterbalance negative impacts in winter which is hard to say climate change is a factor leading to sugar maple’s decline.(improved sentence structure and clarity).

8. Mind Map

• Introduction

  • Declining health of sugar maple trees
  • Reading: three theories
  • Listening: professor's rebuttals

• Theory 1: Acid Rain

  • Reading: releases toxic aluminum, deprives nutrients
  • Listening: study shows slow growth in all soils, not just acid rain-exposed ones

• Theory 2: Forest Tent Caterpillars

  • Reading: insects feed on leaves, causing decline
  • Listening: sugar maples recover quickly, coexistence for thousands of years, unknown factor causing weakened state before caterpillar arrival

• Theory 3: Climate Change

  • Reading: warmer temperatures causing decline
  • Listening: faster growth during warm summer months compensates for winter struggles

9. Keywords