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: 3.5 Topic Development: 3.5

2.预估分数 Estimated Score: 26

3.表达 在回答中，发音大部分清晰，语速适中，但偶尔有些停顿。建议在练习时注意提高语言流利度，减少不必要的停顿。同时，注意发音准确性，以避免拼写错误。

4.话题发展 整体而言，回答内容连贯、组织良好，阐述了鹭鸟如何利用翅膀遮阳的例子来说明exaptation。然而，在描述鹭鸟的环境挑战时，可以更详细地说明阳光对捕鱼的影响。此外，在总结时可以强调鹭鸟如何通过翅膀的新用途来适应环境。

5.语言使用

Original Answer: Acceptation Exaptation ("Acceptation" 是错误的单词，应该是 "Exaptation") is a phenomenon in which animals' responses want adapt (使用 "adapt" 替换 "want"，使句子更自然且准确) their existing features to address a specific challenge in their environment. Furthermore, these animals continue to use their features for both its original and new functions. For instance, the professor mentioned a heron that loves lives (将 "loves" 改为 "lives"，以表示鹭鸟的栖息地) near-shallow waters and primarily feeds on fish. However, spotting fish can be difficult due to the sunlight glare and reflections on the water's surface. To overcome this challenge, the heron developed a strategy of using its wings to block sunlight by holding them above its head like an umbrella while searching for fish. This purpose, use of its wings for both flying and creating shade, exemplifies acceptation exaptation (同样，将 "acceptation" 改为正确的词汇 "exaptation") as the heron has adapted an existing feature to better respond to its environment.

Revised Answer (140 words): Exaptation is a phenomenon in which animals adapt their existing features to address specific challenges in their environment while continuing to use these features for both their original and new functions. For example, the professor mentioned a heron that lives near shallow waters and primarily feeds on fish. However, spotting fish can be difficult due to the sunlight glare and reflections on the water's surface. To overcome this challenge, the heron has developed a strategy of using its wings to block sunlight by holding them above its head like an umbrella while searching for fish. This dual-purpose use of its wings for both flying and creating shade exemplifies exaptation, as the heron has successfully adapted an existing feature to better respond to its environment and enhance its chances of survival.

6.思维导图

Exaptation
├─ Definition
│   └─ Animals adapt existing features
├─ Original and new functions
├─ Example
│   ├─ Heron
│   │   ├─ Lives near shallow waters
│   │   ├─ Feeds on fish
│   │   └─ Difficulty spotting fish due to glare
│   └─ Solution
│       └─ Uses wings to block sunlight
└─ Exemplifies exaptation
    └─ Adapted feature for better response to environment

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 回答中的发音大部分清晰，语速适中，但有时会出现不必要的停顿。建议在练习时注意保持连贯流畅的语言表达，减少不必要的停顿。同时，注意提高发音准确性，以避免拼写错误。

4.话题发展 回答内容基本上符合题目要求，能够解释鹭鸟的例子如何说明了物种适应性的演变。但在组织结构和连接思路方面还有待加强。建议在练习时注意明确地陈述观点，并在论述过程中保持逻辑清晰和条理分明。同时，可以尝试使用更多的连接词和过渡词汇来使回答更加连贯。

5.语言使用

原文：In the lecture, the professor uses the example to explain the physical feature of an animal's body usually serves a special purpose. In the lecture, the professor uses the example to explain that a physical feature of an animal's body usually serves a specific purpose.（将"特殊"改为"特定"，使语义更准确。同时，添加"that"以使句子结构更完整。）

In the example, there is a bird which is a kind of heron. In the example, there is a bird that is a type of heron.（将"which"改为"that"，使句子结构更自然。同时，将"kind"改为"type"以保持与原文一致。）

This kind of bird always walking around and when they want to catch fish, they can't see it clearly because of glare and reflection. This type of bird is always walking around, and when they want to catch fish, they cannot see them clearly due to glare and reflection.（将"is always walking around"与后面的句子用逗号连接，使句子结构更自然。同时，将"it"改为"them"以指代复数的鱼。）

But after that, the bird found a cool solution which is using wings. However, the bird found an ingenious solution by using its wings.（将"cool"改为"ingenious"以使用更高级的词汇。同时，修改句子结构以使其更自然。）

At first, the wings are only for fly but they started to block the sun which can create a shade. Initially, the wings were only for flying, but they started to block the sun, which created shade.（将"are"改为"were"以保持时态一致。同时，修改句子结构以使其更自然。）

When they are holding them, it's like an umbrella and a canopy. When the heron holds its wings above its head, they act like an umbrella and a canopy.（修改句子结构以使其更自然。）

修订后的回答（140字）：

In the lecture, the professor uses the example to explain that a physical feature of an animal's body usually serves a specific purpose. In the example, there is a bird that is a type of heron. This type of bird is always walking around, and when they want to catch fish, they cannot see them clearly due to glare and reflection. However, the bird found an ingenious solution by using its wings. Initially, the wings were only for flying, but they started to block the sun, which created shade. When the heron holds its wings above its head, they act like an umbrella and a canopy.

6.思维导图

Exaptation
├─ Lecture
│   └─ Physical feature serves a specific purpose
├─ Example
│   ├─ Type of heron
│   ├─ Difficulty catching fish due to glare and reflection
│   └─ Ingenious solution: using wings
└─ Wings' functions
    ├─ Flying
    ├─ Blocking the sun (creating shade)
    └─ Acting like an umbrella and a canopy

7.关键词