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 points made in the reading passage.

1.子项得分 任务完成度: 5 组织: 4 连贯性和衔接: 4 语言使用: 4

2.预估分数

27. 3.任务完成度

整体来说，文章较好地完成了任务要求，阐述了听力中的观点如何对阅读中的观点产生质疑。但在一些细节方面还可以进一步改进。例如，在描述实验过程时，可以更具体地描述实验的步骤和结果，以增强论证的说服力。

示例1： 原文：The knees were placed in sealed containers containing oxygen, measuring the change of its levels. 改进：Researchers placed the cypress knees in sealed containers filled with oxygen and monitored the oxygen levels over a period of time.

示例2： 原文：It is unlikely that the cypress would have evolved a feature such as its knees to get rid of something that has no negative effect. 改进：It is improbable that cypress trees would develop specialized structures like knees solely for eliminating a substance that poses no harm to them.

4.文章结构与组织 文章的结构和组织基本上是清晰的，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及其支持细节。然而，在段落之间加入更明确的过渡词或短语可以使文章更连贯。

建议1： 在引言部分，可以使用一些过渡词汇，如“首先”、“其次”和“最后”，以更清晰地引导读者了解文章的结构。

示例1： 原文：However the listening holds these hypotheses are problematic. 改进：However, the listening contends that these hypotheses are problematic, addressing each one in turn.

建议2： 在正文部分，可以使用一些过渡词汇，如“此外”、“然而”和“因此”，以更好地连接各个观点。

示例2： 原文：But the listening argues that although it seems plausible, the hypothesis was tested by researchers. 改进：However, the listening counters this argument by stating that researchers have tested this hypothesis and found it to be lacking in evidence.

5. 语法批改

The reading proposes some assumptions about the function of the knees,a, a(Use of whitespace before comma and before/after parentheses) particular structure of the cypress.HoweverHowever,(Commas after conjunctive/linking adverbs in front of a new sentence.) the listening holds these hypotheses are problematic. First,the, the(Use of whitespace before comma and before/after parentheses) reading believes the knees help absorb oxygen.But But(Missing space between sentences) the listening argues that although it seems plausible,the, the(Use of whitespace before comma and before/after parentheses) hypothesis was tested by researchers.The The(Missing space between sentences) knees were placed in sealed containers containing oxygen,measuring, measuring(Use of whitespace before comma and before/after parentheses) the change of its levels.Surprisingly Surprisingly(Missing space between sentences),the, the(Use of whitespace before comma and before/after parentheses) oxygen levels did not change much,indicating, indicating(Use of whitespace before comma and before/after parentheses) the knees absorbed very little oxygen.If If(Missing space between sentences) the function of cypress's knees is to absorb oxygen,more, more(Use of whitespace before comma and before/after parentheses) oxygen is expected to be absorbed.That That(Missing space between sentences) didn't happen. Second,the, the(Use of whitespace before comma and before/after parentheses) reading suggests that these structures provide additional support for cypress trees to maintain stability.The The(Missing space between sentences) listening,however, however(Use of whitespace before comma and before/after parentheses),notices this view equally problematic.Many Many(Missing space between sentences) knees are attached to the horizontal roots of cypress trees.Those Those(Missing space between sentences) roots do not go deep underground,in, in(Use of whitespace before comma and before/after parentheses) which case the knees do not provide additional stability.The The(Missing space between sentences) knees only help when they are attached to vertical roots that reach deep in the soil,but, but(Use of whitespace before comma and before/after parentheses) many knees are not connected to any of these vertical roots at all.So So(Missing space between sentences) the idea of providing physical support is doubtful. FinallyFinally,(Commas after conjunctive/linking adverbs in front of a new sentence.) the reading uses the methane detected above the knees as evidence to say that the knees are used by cypress to release methane.Yet Yet(Missing space between sentences) according to the listening,this, this(Use of whitespace before comma and before/after parentheses) theory is unconvincing for several reasons.Although Although(Missing space between sentences) methane is of no use to cypresses,it, it(Use of whitespace before comma and before/after parentheses) does not harm them.It It(Missing space between sentences) is unlikely that the cypress would have evolved a feature such as its knees to get rid of something that has no negative effect.Besides Besides(Missing space between sentences),a, a(Use of whitespace before comma and before/after parentheses) lot of microorganisms are found living on knees,which, which(Use of whitespace before comma and before/after parentheses) makes it entirely possible that they,rather, rather(Use of whitespace before comma and before/after parentheses) than the knees,produce, produce(Use of whitespace before comma and before/after parentheses) the methane detected.

Section Title: 6.文章修订

The reading passage presents three hypotheses regarding the function of cypress knees, a unique structure found in certain tree species. However, the lecture casts doubt on each of these assumptions, providing counterarguments to challenge their validity.

Firstly, the reading suggests that cypress knees may help absorb oxygen for the trees' roots. The lecture disputes this idea by referring to a study where researchers placed cypress knees in sealed containers with oxygen and measured changes in oxygen levels over time. Contrary to expectations, there was little change in oxygen levels, indicating that the knees absorbed minimal amounts of oxygen. This finding contradicts the notion that their primary function is oxygen absorption.

Secondly, the reading posits that cypress knees provide additional stability for trees growing in soft, wet soil. The lecture challenges this assertion by pointing out that many cypress knees are attached to horizontal roots rather than vertical ones. Horizontal roots do not extend deep into the soil and therefore do not offer extra stability. Since many knees are not connected to vertical roots at all, it is doubtful that their main purpose is providing physical support.

Lastly, the reading claims that cypress knees may serve to release methane gas from tree roots into the air, citing detectable amounts of methane above these structures as evidence. The lecture refutes this argument on two grounds: firstly, while methane is not beneficial to trees, it does not harm them either; thus it seems unlikely that they would develop specialized structures solely for its removal. Secondly, numerous microorganisms inhabit cypress knees and could be responsible for producing methane instead of the knees themselves.

In conclusion, each hypothesis presented in the reading passage is effectively challenged by counterarguments from the lecture. As a result, none of these proposed functions can be definitively attributed to cypress knees at this time. (307 words)

Revised essay: Section Title: 7.文章批改

The reading proposes passage presents some assumptions about the function of the knees,a cypress knees, a particular structure of the cypress.However found in certain tree species. However, the listening holds contends that these hypotheses are problematic.

First,the First, the reading believes that the knees help absorb oxygen.But oxygen. But the listening argues that although it this seems plausible,the plausible, researchers tested this hypothesis was tested by researchers.The knees were placed placing cypress knees in sealed containers containing oxygen,measuring the change of oxygen and measuring changes in its levels.Surprisingly,the levels. Surprisingly, the oxygen levels did not change much,indicating much, indicating that the knees absorbed very little oxygen.If the oxygen. If their function of cypress's knees is to absorb oxygen,more oxygen is oxygen, more would be expected to be absorbed.That didn't absorbed; however, this did not happen.

Second,the Second, the reading suggests that these structures provide additional support for cypress trees to maintain stability.The listening,however,notices stability. The listening, however, considers this view equally problematic.Many problematic. Many knees are attached to the horizontal roots of cypress trees.Those roots trees which do not go deep underground,in which case the knees underground; in such cases, they do not provide additional stability.The stability. The knees only help when they are attached to vertical roots that reach deep in the soil,but into the soil; but many knees are not connected to any of these vertical roots at all.So all. So the idea of providing physical support is doubtful.

Finally Finally, the reading uses the methane detected above the knees as evidence to say that the knees they are used by cypress cypresses to release methane.Yet methane. Yet according to the listening,this listening, this theory is unconvincing for several reasons.Although reasons: although methane is of no use to cypresses,it cypresses, it does not harm them.It them either; it is unlikely that the cypress they would have evolved a feature such as its knees their knees just to get rid of something that has no negative effect.Besides,a lot of harmless. Besides, many microorganisms are found living live on knees,which makes it entirely possible that they,rather than the knees,produce the cypress knees and could be responsible for producing methane detected.instead of the knees themselves.

In conclusion, each assumption presented in the reading passage is effectively challenged by counterarguments from the listening passage. As a result, none of these proposed functions can be definitively attributed to cypress knees at this time.

8. Mind Map

1. Introduction
   - Reading passage: 3 hypotheses on cypress knees function
   - Lecture: counterarguments against each hypothesis

2. Oxygen Absorption
   - Reading: cypress knees absorb oxygen for roots
   - Lecture: study shows minimal oxygen absorption

3. Stability
   - Reading: cypress knees provide extra stability in wet soil
   - Lecture: many knees attached to horizontal roots, not providing stability

4. Methane Gas Release
   - Reading: cypress knees release methane gas from roots
   - Lecture: methane not harmful to trees, microorganisms may produce methane

5. Conclusion
   - None of the proposed functions can be definitively attributed to cypress knees.

9. Keywords