TOEFL TPO 74 Speaking Task 3 Sample: Explain how the example of the heron illustrates exaptation.

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数

23. 3.表达

从表达方面来看，这个回答的发音和语速基本上是清晰和流畅的，但有时会出现不必要的停顿。为了提高口语表达能力，建议练习更自然地连接句子，减少不必要的停顿。同时注意正确发音，避免拼写错误。

4.话题发展 从话题发展方面来看，回答内容基本上是连贯和有组织的，但可以进一步完善。建议在解释鹭鸟如何运用翅膀进行适应时，更详细地描述这一过程，以便更好地说明这个例子如何体现了“异化适应”的概念。此外，在提供支持或例证时，尽量确保内容充分且相关。

5.语言使用

原文：Exhortation Exaptation(这里应该是“异化适应”，而不是“敦促”) is a phenomenon while where(这里应该用“where”而不是“while”) wild animals use their body parts designed for an old purpose and use them to cope with a new situation to improve their survival. For example, the bird heron, which eat fishes fish(“fish”在这里作为复数形式更自然) in shallow waters, they are hard to see the fish below the water surface because of the sun glare. So they use their wings, which were initially used to fly, and use the wings as an umbrella to create a shade, which enables them to see the swimming fish more clearly and more easily, so that their rate of survival improved.

修订版（140词）：

Exaptation is a phenomenon where wild animals repurpose their body parts, initially designed for one function, to adapt to new situations and enhance their survival chances. A prime example is the heron, a bird that feeds on fish in shallow waters. Due to sunlight glare on the water surface, it becomes challenging for herons to spot fish swimming beneath. Ingeniously, herons have adapted by using their wings, originally meant for flying, as a makeshift umbrella to create shade. This innovative adaptation allows herons to see fish more clearly and easily, consequently improving their survival rate.

6.思维导图

• Exaptation

  • Phenomenon
  • Repurpose body parts
  • Adapt to new situations
  • Enhance survival chances

• Example: Heron

  • Feeds on fish in shallow waters
  • Sunlight glare on water surface
  • Uses wings as makeshift umbrella
  • Creates shade to see fish clearly
  • Improves survival rate

7.关键词

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数

23. 3.表达

从表达方面来看，这位同学的回答基本上是清晰流畅的，但在某些地方还有一些不必要的停顿。建议同学在练习口语时注意保持连贯性和一致的语速，尽量减少停顿。同时，注意发音的准确性，以避免拼写错误。

4.话题发展 从话题发展方面来看，这位同学的回答内容是连贯且组织良好的，但在某些地方可以进一步加强对观点的支持和举例。建议同学在练习时注意明确表达观点，并提供充足的支持或例证来增强论述的说服力。

5.语言使用

Original Answer: Well, in the reading passage, Acceptation Exaptation(接受改为异化，因为这是原文中的正确词汇) is described as a feature on some animal species to meet the environment and increase the chance to survive. In the lecture, the professor gives an example of a kind of bird which lives by rivers and marshes and eats fish under the water. But it's pretty hard for them to see the fish under the water by the sunshine on the river because there is sun reflection and the glare stops them from seeing the fish. So they use their wings to block the sun. Just like the umbrella and eliminate the disturbance of glare and reflection. This movement well and nicely illustrates the expectation.

Corrected Answer: Well, in the reading passage, Acceptation Exaptation(接受改为异化，因为这是原文中的正确词汇) is described as a feature in some animal species that adapts to their environment and increases their chances of survival. In the lecture, the professor provides an example of a type of bird that inhabits rivers and marshes and feeds on fish beneath the water's surface. However, it is quite challenging for these birds to spot fish underwater due to sunlight reflecting off the water's surface, causing glare that obstructs their view. To overcome this issue, they utilize their wings to block out sunlight, similar to an umbrella, effectively eliminating glare and reflections. This adaptation aptly demonstrates exaptation.

Revised 140-word Answer: In the reading passage, Exaptation is described as a feature in some animal species that adapts to their environment and increases their chances of survival. The lecture provides an example of a type of bird that inhabits rivers and marshes, feeding on fish beneath the water's surface. However, spotting fish underwater is challenging for these birds due to sunlight reflecting off the water's surface, causing glare that obstructs their view. To overcome this issue, they utilize their wings to block out sunlight, similar to an umbrella, effectively eliminating glare and reflections. This adaptation aptly demonstrates exaptation, showcasing how animals can repurpose existing features to address new challenges in their environment. The heron's ability to use its wings for both flying and blocking sunlight highlights the concept of exaptation and its role in enhancing an animal's chances of survival.

6.思维导图

• Exaptation

  • Definition
  • Adaptation to environment
  • Increase chances of survival

• Heron example

  • Inhabits rivers and marshes
  • Feeds on fish underwater
  • Sunlight reflection and glare
  • Utilizes wings to block sunlight
  • Eliminates glare and reflections

• Demonstration of exaptation

  • Repurposing existing features
  • Addressing new challenges

7.关键词

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数

23. 3.表达

总体来说，回答的表达较为清晰，但在某些地方存在一些不自然的停顿。为了提高发音的准确性，请注意一些单词的发音，例如“Acceptation”应为“Exaptation”。同时，尝试保持语速的一致性，以使表达更流畅。

4.话题发展 回答内容基本上符合题目要求，能够解释鹭鸟如何体现了“Exaptation”。但在组织结构上还有改进的空间。建议在回答中首先简要概括阅读材料中关于“Exaptation”的定义，然后详细描述听力材料中鹭鸟的例子，并强调其翅膀在新功能上的应用。最后，可以总结一下这个例子如何说明了“Exaptation”的概念。这样可以使回答更加有条理和连贯。

5.语言使用

Acceptation Exaptation(接受改为适应，因为这是正确的术语) is defined as a phenomenon sometimes animals use existing physical features for new purpose. For instance, there is a kind of bird which called heron a heron(加上定冠词'a'，使句子更自然). They are waiting wading(等待改为涉水，因为这是正确的描述) birds and they always find fish to eat during the day. However, because of the reflection of the sun, it is hard to see the fish. So they find a solution that using their wings to block the sun. Before they use the wings to fly, it is their old purpose. But now they use it to block the sun, it is the new purpose. When looking for the fish, their wings form an umbrella which could block the sun. And they are able to see the fish much better than before, so they could find the fish easily.

Revised Answer (140 words):

Exaptation is defined as a phenomenon where animals sometimes use existing physical features for new purposes. For instance, there is a type of bird called a heron. Herons are wading birds that primarily feed on fish during the day. However, due to sunlight reflections on water surfaces, it can be difficult for them to see the fish. To overcome this challenge, herons have adapted to using their wings to block sunlight. Previously, their wings were solely used for flying; now they serve a dual purpose by also providing shade when searching for fish. By forming an umbrella-like canopy with their wings, herons can block sunlight and reduce glare on the water, allowing them to see fish more clearly and catch them more easily. This example demonstrates how the heron's wings have undergone exaptation, adapting to serve a new function in addition to their original purpose.

6.思维导图

Exaptation
├─ Definition
├─ Example
│   ├─ Heron
│   │   ├─ Wading bird
│   │   ├─ Feeding on fish
│   │   ├─ Sunlight reflection problem
│   │   └─ Solution: using wings to block sunlight
│   └─ Dual purpose of wings
│       ├─ Flying (old purpose)
│       └─ Blocking sunlight (new purpose)
└─ Conclusion: Heron's wings as an example of exaptation

7.关键词

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数

23. 3.表达

从表达方面来看，回答内容较为清晰，但在某些地方存在一些不必要的停顿。建议在练习时注意语速的连贯性，尽量减少不必要的停顿。同时，注意发音的准确性，以避免拼写错误。

4.话题发展 从话题发展方面来看，回答内容基本上符合题目要求，但在组织结构上还有改进的空间。建议在练习时注意逻辑的连贯性和组织结构的清晰度，尽量在回答中提供更多具体的例子和支持论点。

5.语言使用

原文：The reading passage introduces a new concept called Acceptation, The reading passage introduces a new concept called Exaptation,（将Acceptation改为Exaptation，因为原文中的词是Exaptation，而不是Acceptation。）which means animals will use one of its existing features for a new purpose, which refers to animals using one of their existing features for a new purpose,（将will use改为using，使句子更自然流畅。同时将its改为their，因为animals是复数。）which allows them to respond to additional challenges in its environment. allowing them to respond to additional challenges in their environment.（将which allows改为allowing，使句子更自然流畅。同时将its改为their，因为animals是复数。）

In the lecture, professors take an example of a kind of bird named Huron to illustrate this concept. In the lecture, the professor uses the example of a bird called Heron to illustrate this concept.（将professors改为professor，因为只有一个教授在讲课。将Huron改为Heron，因为原文中的鸟名是Heron，而不是Huron。）

This kind of bird, Huron, lives near the rivers and marshes in Africa, and they walk around during the day and eat fish, swim in rivers and marshes. This bird, the Heron, lives near rivers and marshes in Africa, and it walks around during the day, eating fish that swim in rivers and marshes.（将Huron改为Heron，因为原文中的鸟名是Heron，而不是Huron。同时调整句子结构，使其更自然流畅。）

However, there is a trouble. This fish is pretty hard to see because of the sunlight reflection and clearing. However, there is a challenge. The fish are difficult to see due to sunlight reflection and glare.（将trouble改为challenge，使句子更自然。将This fish改为The fish，因为指的是多条鱼。将clearing改为glare，使句子更准确。）

But over time, the Huron find out a new solution to involve in using their wings, which is originally used to fly, and now it is used to block the sunlight. And as a result, Huron are able to see the fish better. Over time, the Heron has found a new solution by using its wings, which were originally used for flying, but now also serve to block sunlight. As a result, the Heron can see the fish more clearly.（将Huron改为Heron，因为原文中的鸟名是Heron，而不是Huron。调整句子结构，使其更自然流畅。）

Revised Answer (140 words):

The reading passage introduces a new concept called Exaptation, which refers to animals using one of their existing features for a new purpose, allowing them to respond to additional challenges in their environment. In the lecture, the professor uses the example of a bird called Heron to illustrate this concept. This bird, the Heron, lives near rivers and marshes in Africa, and it walks around during the day, eating fish that swim in rivers and marshes. However, there is a challenge. The fish are difficult to see due to sunlight reflection and glare. Over time, the Heron has found a new solution by using its wings, which were originally used for flying, but now also serve to block sunlight. As a result, the Heron can see the fish more clearly.

6.思维导图

• Exaptation

  • Definition
  • Animals adapting to challenges

• Heron

  • African bird
  • Lives near rivers and marshes
  • Eats fish

• Challenge

  • Sunlight reflection and glare
  • Difficulty seeing fish

• Solution

  • Using wings for a new purpose
  • Blocking sunlight
  • Improved visibility of fish

7.关键词

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数

23. 3.表达

从表达方面来看，这位考生的回答基本上是清晰的，但在某些地方可能需要稍作调整。例如，考生可以在解释概念时更加流畅，避免使用过多的“so”。此外，考生在描述鹭鸟如何利用翅膀遮阳时，可以更加详细地描述这一过程。建议考生多加练习，提高口语表达的流畅度和准确性。

4.话题发展 从话题发展方面来看，考生的回答基本上是连贯和有条理的。然而，在解释鹭鸟如何利用翅膀遮阳时，考生可以更加详细地描述这一过程。此外，在回答中提到“adaptation”时，应改为“exaptation”，以便更准确地回答问题。建议考生在准备托福口语时，注意提高对题目要求的理解和把握，确保回答内容与题目要求紧密相关。

5.语言使用

原文：The adaptation Exaptation (应使用正确的词汇“exaptation”而非“adaptation”) refers to an animal use its specific feature for another purpose. The professor used the bird as an example. Due to the sun always have reflect on waters, it's hard for the bird to see fish below the water surface, so it's hard to capture it and have the fish. So they use their wings to block the sun and create shade. Therefore, it can better see the fish under the water and to capture it for food.

修订版（140词）：

Exaptation refers to an animal utilizing its existing physical feature for a new purpose. The professor illustrated this concept using a type of heron as an example. This heron faces difficulty in seeing fish beneath the water surface due to sunlight reflections on the water, making it challenging to catch its prey. To overcome this issue, the heron has developed a unique solution by using its wings to block sunlight and create shade. By doing so, it can more effectively see fish under the water and successfully catch them for food. This demonstrates how exaptation allows animals to adapt and respond to additional challenges in their environment by finding new uses for their existing physical features, ultimately increasing their chances of survival.

6.思维导图

• Exaptation
  • Definition
  • Heron example
    • Sunlight reflections
    • Difficulty seeing fish
    • Solution: using wings to block sunlight
    • Improved ability to catch fish
  • Adaptation to environmental challenges

7.关键词

1.Sub Scores

Delivery: 3 Language Use: 3 Topic Development: 3

2.Estimated Scores

23. 3.Delivery

The speaker's delivery is generally clear and fluid, but there are some occasional pauses and slight issues with word choice. To improve, the speaker should practice speaking more consistently and work on using more precise vocabulary. Additionally, focusing on pronunciation will help eliminate any confusion caused by spelling errors.

4.Topic Development

The response is coherent and well-organized, with a clear connection between ideas and sufficient support from the lecture. However, there is room for improvement in providing more specific details from the reading passage and lecture to better illustrate the concept of exaptation. The speaker should also work on using more varied sentence structures to enhance the overall flow of the response.

5.Language Use

Original Answer: The concept of exaptation refers to a phenomenon that some species use their physical stuffs for other functions. The concept of exaptation refers to a phenomenon in which some species use their physical features for different functions. (Changed "stuffs" to "features" and rephrased the sentence for clarity) In the lecture, the professor showed us an example of a bird. This kind of bird usually eat fish in the sea, but it is hard to see the fish because of sunlight. The sunlight can be reflected and make the bird feel dizzy. So the bird's wings are originated to fly, but this time this bird will use their wings to block the sun and shadow the fish to eliminate the glares and the birds can see and catch the fish better and make it easier to catch the fish.

Revised Answer (140 words):

The concept of exaptation refers to a phenomenon in which some species use their physical features for different functions. In the lecture, the professor provided an example of a heron, a type of wading bird that typically feeds on fish in rivers and marshes. However, due to sunlight reflecting off the water's surface, it can be difficult for these birds to spot fish. To overcome this challenge, herons have adapted their wings, originally meant for flying, to block sunlight and create shade over the water. By holding their wings above their heads like a canopy or umbrella, herons can effectively eliminate glare on the water's surface, allowing them to see and catch fish more easily. This example demonstrates how exaptation enables animals to repurpose existing physical features in response to environmental challenges.

6.Mind Map

• Exaptation

  • Phenomenon
  • Physical features
  • Different functions

• Heron example

  • Wading bird
  • Feeds on fish
  • Sunlight reflection challenge
  • Adapted wings
    • Block sunlight
    • Create shade
    • Eliminate glare
  • Improved fish-catching ability

7.Key Words

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数

23. 3.表达

从表达方面来看，说话者的语言流利度和语速基本一致，仅有少数停顿。但是，有些标点问题是由于不恰当的停顿造成的。所有拼写错误都是由于发音不准确造成的。请忽略大小写错误。为了提高表达能力，建议说话者注意在练习发音时更加关注正确的发音，并在练习时尝试减少不必要的停顿。

4.话题发展 The speaker provided a coherent response, but there is room for improvement in topic development. The response could be better organized by first explaining the concept of exaptation and then providing the example of the heron using its wings to block sunlight and create shade to see fish more clearly. Additionally, the speaker should emphasize that this is an example of exaptation because the heron is using its wings for a new purpose in addition to their original function of flying. To improve topic development, the speaker should focus on providing a clear explanation of the concept and connecting it to the example more effectively.

5.语言使用

Original Answer: Well, the expectation is suggested that animals use their body to respond to additional challenges. Take an example to explain this. There is a bird lived in Africa who was fed by the water fish. However, if the sunlight is too strong, it is difficult for the bird to see the fish. So they need to block the sunlight, and they fly across the sea and they put up their wings as an umbrella to hold the sunlight so that they can see the fish.

Corrected Answer: Well, exaptation suggests that animals use their body features to respond to additional challenges. For instance, there is a heron living in Africa that feeds on fish in the water. However, if the sunlight is too intense, it becomes difficult for the heron to see the fish. To overcome this challenge, the heron flies over the water and raises its wings like an umbrella to block the sunlight, enabling it to see the fish more clearly. (原文中的"expectation"应改为"exaptation"，以正确表达概念。同时，将"bird lived"改为"heron living"以更准确地描述鸟类。此外，将"fed by the water fish"改为"feeds on fish in the water"以更自然地表达鸟类的食物来源。最后，将“hold”改为“block”，使句子更通顺。)

Revised Answer (140 words): Exaptation refers to animals utilizing their existing body features for new purposes in response to environmental challenges. A prime example of this can be observed in a heron species native to Africa. These herons primarily feed on fish found in rivers and marshes. However, intense sunlight can create glare on the water's surface, making it difficult for the heron to spot fish. To overcome this obstacle, the heron has adapted to use its wings for a secondary purpose. By flying over the water and raising its wings like an umbrella, the heron effectively blocks sunlight and reduces glare. This allows the heron to see fish more clearly, increasing its chances of catching prey. This example demonstrates exaptation as the heron has found an additional use for its wings beyond their primary function of flying.

6.思维导图

• Exaptation

  • Definition
  • Environmental challenges

• Heron example

  • Feeding on fish
  • Sunlight glare problem
  • Wings adaptation
    • Umbrella-like function
    • Improved visibility

7.关键词

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数

23. 3.表达

从表达方面来看，这位同学的回答基本上是清晰的，但在某些地方存在一些不自然的停顿。为了提高口语表达能力，建议同学注意以下几点：1) 在练习时尽量保持语速的一致性，避免在不需要的地方停顿；2) 注意正确发音，以免出现拼写错误；3) 多加练习，提高口语流利度。

4.话题发展 从话题发展方面来看，这位同学的回答基本上是连贯和有组织的，但在某些地方可以进一步完善。为了提高话题发展能力，建议同学注意以下几点：1) 在回答问题时尽量使用更多具体的例子和细节来支持观点；2) 注意在回答中明确表示出阅读材料和听力材料之间的关系；3) 多加练习，提高自己在有限时间内组织思路和表达观点的能力。

5.语言使用

Original: Exaptation is the way animals to increase their chance of survival by adapting old features for new purpose. This is a kind of response to additional challenge. Like the expert says that for a bird called heron living in the river in Africa, in the day, the heron often walk in the shallow waters and eating fish. They cannot see fish with the sunshine forms a reflection on the face because it's so disturbance to catching the fish. But they find a smart solution like they use the way they fly by the wing to form an umbrella above the head to block the sun like they are flying in the sky. This is a kind of expectation mentioned by the speaker.

Corrected: Exaptation Exaptation, (逗号) is refers to (改为更自然的表达) the way animals to increase how animals increase (改为更自然的表达) their chance of survival by adapting old features for new purposes(复数形式). This is a kind of response to additional challenges(复数形式). Like the expert says that for a bird called heron living in the river in Africa, in the day, the heron often walks (单数形式) in the shallow waters and eating fish. They cannot see fish with the sunshine forms a reflection on the face because it's so disturbance to catching the fish. But they find a smart solution like they use the way they fly by the wing to form an umbrella above the head to block the sun like they are flying in the sky. This is a kind of expectation mentioned by the speaker.

Revised (140 words): Exaptation refers to how animals increase their chances of survival by adapting old features for new purposes. This is a response to additional challenges in their environment. As the expert mentioned, there is a bird called heron that lives near rivers in Africa. During the day, the heron often walks in shallow waters, hunting for fish. However, it struggles to see fish due to sunlight reflections on the water's surface. To overcome this challenge, herons have developed a smart solution: they use their wings to create shade above their heads, blocking sunlight and reducing glare on the water. This allows them to see fish more clearly and improves their hunting efficiency. This adaptation of using wings for shading purposes, in addition to flying, exemplifies exaptation as described by the speaker.

6.思维导图

Exaptation
├── Definition
│   └── Adapting old features for new purposes
├── Purpose
│   └── Increase chances of survival
├── Example
│   ├── Heron
│   │   ├── Habitat: Rivers in Africa
│   │   ├── Challenge: Sunlight reflections on water
│   │   └── Solution: Using wings to create shade
└── Connection to the speaker's point
    └── Exemplifies exaptation in animals

7.关键词

1.子项得分

• 交付 (Delivery): 3

• 语言使用 (Language Use): 3

• 话题发展 (Topic Development): 3

2.预估分数

• 总分: 23

3.表达 回答中的发音和语速基本清晰流畅，但在某些地方存在一些不必要的停顿。建议在练习时注意保持连贯的语速，尽量减少不自然的停顿。同时，注意提高发音的准确性，以避免拼写错误。

4.话题发展 回答内容基本上是连贯和有组织的，能够清楚地阐述鹭鸟如何利用翅膀进行适应性改变。但在回答中可以加入更多关于阅读材料中“适应性”的描述，以便更好地说明鹭鸟这一例子如何体现出适应性。同时，在提供具体例子时，可以尝试使用更丰富的词汇和表达方式，以增强回答的说服力。

5.语言使用

Original Answer: So the professor uses the birds as an example to illustrate the phenomenon of acceptation. The professor uses the heron as an example to illustrate the concept of exaptation. (将“acceptation”改为“exaptation”，将“birds”改为“heron”以更准确地描述概念和例子。) So the birds live in Africa. The herons live in Africa. (将“birds”改为“herons”以保持一致性。) It's called heron. The heron usually walks around in shallow water and because of the sunlight, it's hard for the birds to see the fish under the water. So the birds came up with a cool solution that is to use its wings. As we all know, the wings are used to fly, but on top of that, the birds use it to block the sun so that it can create the shadow, the shade, and with its back against the sun, its wings can serve as an umbrella which can eliminate the glare on the water so the birds can see the fish.

Revised Answer (140 words):

The professor uses the heron as an example to illustrate the concept of exaptation. The herons live in Africa and typically walk around in shallow water. Due to sunlight, it is difficult for them to see fish beneath the water's surface. To overcome this challenge, herons have developed an innovative solution by utilizing their wings. Although wings are primarily used for flying, herons also use them to block sunlight and create shade. With their backs facing the sun and their wings held above their heads, herons form a canopy-like structure that serves as an umbrella. This effectively eliminates the glare on the water, allowing herons to see fish more clearly. This example demonstrates how herons have adapted their existing physical feature, their wings, for a new purpose, which is a perfect illustration of exaptation.

6.思维导图

• Exaptation

  • Concept
  • Adaptation

• Heron

  • Africa
  • Shallow water
  • Difficulty seeing fish

• Wings

  • Flying
  • Blocking sunlight
  • Creating shade

• Canopy-like structure

  • Umbrella function
  • Eliminating glare
  • Improved visibility

7.关键词

1.Sub Scores Delivery: 3 Language Use: 3 Topic Development: 3

2.Estimated Scores

23. 3.Delivery

The speaker's delivery is generally clear and fluid, with a consistent pace and only occasional pauses. However, there are some minor issues with punctuation and pronunciation that could be improved. For example, the speaker should work on pronouncing "glue" as "glare" and "birds" as "fish." Additionally, the speaker should practice using appropriate pauses to make the speech sound more natural.

4.Topic Development The response is coherent and well-organized, with clear connections between ideas and sufficient support or examples. The speaker effectively explains how the heron's use of its wings to block the sun illustrates exaptation. However, there is room for improvement in providing more specific details from the listening passage, such as mentioning that the heron lives near rivers and marshes in Africa. Additionally, the speaker should work on using more varied vocabulary and sentence structures to make the response more engaging.

5.Language Use

Adaptation Exaptation (corrected to match the term from the reading passage) is a behavior that animals use one of its existing features for new purposes. For example, a type of heron is a wading bird and they live in shallow water. They capture fish for food. However, they sometimes find it hard to see fish because the sunlight is so strong that it will reflect on the surface of the water. Then they figure out a solution. They use their wings, which were originally used for flying, to block the sun. They will put their wings above their head and form an umbrella, which creates shade to block the sun. By that way, they can eliminate the glue glare (corrected for accurate vocabulary). As a result, they can see birds fish (corrected to match the context) better and more clearly, so that they can catch more fish.

Revised Answer (140 words):

Exaptation is a process in which animals utilize one of their existing features for new purposes to adapt to environmental challenges. A prime example of this is seen in a specific type of heron, a wading bird that inhabits shallow waters near rivers and marshes in Africa. These herons primarily feed on fish but often struggle to spot them due to the glare caused by sunlight reflecting off the water's surface. To overcome this obstacle, herons have adapted to use their wings, initially meant for flying, as a means to block the sun. By holding their wings above their heads, they create a shade that eliminates the glare, allowing them to see fish more clearly and ultimately catch more prey. This innovative use of their wings exemplifies exaptation, as the herons continue to use their wings for flying while also employing them for a new purpose.

6.Mind Map

• Exaptation
  • Definition
  • Heron example
    • Wading bird
    • Feeding on fish
    • Sun glare problem
    • Wing adaptation
      • Blocking sun
      • Shade creation
      • Improved fish visibility

7.Key Words

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数 Estimated Score: 23

3.表达 从表达方面来看，这位考生的回答相对清晰，语速适中，但偶尔有些停顿。为了提高口语表达能力，建议考生在练习时注意以下几点：1) 加强发音练习，尤其是在单词发音上要更加准确；2) 注意句子的连贯性，尽量减少不必要的停顿；3) 多进行口语实战演练，提高自信心和应变能力。

4.话题发展 The speaker provides a coherent and well-organized response, with a clear connection between the reading and listening materials. However, there is room for improvement in topic development. To enhance the response, the speaker could provide more details from the listening passage, such as how the heron's adaptation to using its wings for shading has increased its chances of survival. Additionally, the speaker could emphasize the dual purpose of the heron's wings (flying and shading) to better illustrate the concept of exaptation. Practicing with more integrated speaking tasks and focusing on fully addressing the prompt will help improve topic development skills.

5.语言使用

Original Answer: The reading talks about exaptation, the definition of which is that animals will use their physical features for some new purposes so as to adapt to the environment. The reading discusses exaptation, which is defined as animals utilizing their physical features for new purposes in order to adapt to their environment.（将原句中的“talks about”改为更正式的“discusses”，同时对定义进行了简化，使句子更简洁。）

The professor takes a kind of bird called heron living in along the rivers in Africa as an example. The professor uses a type of bird called the heron, which lives along rivers in Africa, as an example.（调整了句子结构，使其更自然流畅。）

Heron eat fish in the shallow water as their main food. Herons primarily eat fish found in shallow waters.（简化了句子结构，使其更简洁。）

However, when the sun is shining, it will be difficult for them to see the fish clearly because of the graves on the river. However, when the sun shines, it becomes difficult for them to see fish clearly due to glare on the water's surface.（修正了单词“graves”为“glare”，并调整了句子结构。）

Later, they discovered that their wings cannot only be used to fly but also can be used to block the sun so that they can see the fish more clearly because of a shave was created by their wings on the water and their wings just function like an umbrella. Eventually, they discovered that their wings can not only be used for flying but also for blocking the sun, allowing them to see fish more clearly. The wings create shade on the water, functioning like an umbrella.（调整了句子结构，使其更自然流畅。）

Revised Answer (140 words): The reading discusses exaptation, which is defined as animals utilizing their physical features for new purposes in order to adapt to their environment. The professor uses a type of bird called the heron, which lives along rivers in Africa, as an example. Herons primarily eat fish found in shallow waters. However, when the sun shines, it becomes difficult for them to see fish clearly due to glare on the water's surface. Eventually, they discovered that their wings can not only be used for flying but also for blocking the sun, allowing them to see fish more clearly. The wings create shade on the water, functioning like an umbrella. This example demonstrates how the heron's adaptation of using its wings for shading has increased its chances of survival and exemplifies the concept of exaptation.

6.思维导图

Exaptation
├─ Definition
│   └─ Adapting physical features for new purposes
├─ Example
│   ├─ Heron
│   │   ├─ Habitat: African rivers
│   │   ├─ Diet: Fish in shallow waters
│   │   └─ Adaptation: Using wings for shading
│   └─ Benefits
│       └─ Increased chances of survival
└─ Connection to exaptation
    └─ Dual purpose of heron's wings (flying and shading)

7.关键词

1.子项得分 Delivery: 3 Language Use: 3 Topic Development: 3

2.预估分数 Estimated Score: 23

3.表达 从表达方面来看，这位同学的回答基本上清晰流畅，但在某些地方还有一些不必要的停顿。为了提高口语表达能力，建议同学在练习时注意保持语速的一致性，并尽量减少不必要的停顿。此外，尝试提高发音的准确性，以避免拼写错误。

4.话题发展 In terms of topic development, the response is generally coherent and well-organized, with clear connections between ideas. However, there is room for improvement in providing more accurate and detailed information from the listening passage. For example, the response incorrectly states that herons' bodies reflect sunlight, while the actual challenge for herons is the glare on the water's surface caused by sunlight. To improve, focus on accurately capturing key points from the listening passage and providing sufficient support or examples to better illustrate exaptation.

5.语言使用

Original: Acceptation Exaptation(接受改为Exaptation，因为这是正确的术语) means that animals can use existing features for new purposes in order to adapt to the changing environment. The professor in the conversation provides a crystal clear example about this. There's a kind of bird called heron. It's really hard to see herons under the sunshine because their body can reflect the sunshine. Birds usually use wings to fly but herons find out that they can use their wings to block the sunshine, create a shade on the surface of the water so that they can look the fish and eat them better. In this case, heron's wings are like umbrellas. They can eliminate the glare of the sunshine so the herons can eat fish and catch them and eat them.

Revised (140 words): Exaptation means that animals can use existing features for new purposes in order to adapt to their changing environment. The professor provides a clear example of this with a type of heron. This bird faces difficulty seeing fish in rivers and marshes due to glare on the water's surface caused by sunlight. Although birds typically use their wings for flying, herons have discovered that they can also use their wings to block sunlight, creating shade on the water's surface, which allows them to see and catch fish more effectively. In this case, the heron's wings serve as umbrellas, eliminating glare from sunlight and enabling them to better locate and consume fish. This demonstrates how exaptation allows animals to repurpose existing features for new functions in response to environmental challenges.

6.思维导图

Exaptation
├─ Definition
│   └─ Animals using existing features for new purposes
├─ Example
│   ├─ Heron
│   │   ├─ Difficulty seeing fish due to glare on water
│   │   └─ Uses wings to block sunlight and create shade
│   └─ Result
│       └─ Better visibility and ability to catch fish
└─ Conclusion
    └─ Demonstrates how exaptation allows animals to adapt to environmental challenges

7.关键词