TOEFL TPO 73 Speaking Task 3 Sample: Explain how the example of minnows and trout illustrates the concept of generalization to avoid predators.

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，回答中的语音清晰，语速适中，但偶尔会有停顿。为了提高口语表达能力，建议练习更流畅地发音，并减少不必要的停顿。同时注意正确发音以避免拼写错误。

4.话题发展 从话题发展方面来看，回答内容基本上是连贯和组织良好的，但可以进一步加强对概念和例子之间关系的阐述。为了提高话题发展能力，建议在解释概念时更加详细，并在给出例子时强调其与概念之间的联系。

5.语言使用

Original Answer: In the lecture, the professor gives one example to illustrate the concept of generalization to avoid predators, which means animals can sometimes recognize new predators by their similarity to predators they are familiar with. In the lecture, the professor provides an example illustrating the concept of generalization for avoiding predators, meaning that animals can sometimes recognize new predators based on their similarity to known predators. (为了使句子更自然，我们对句子结构进行了调整。)

And the example involves a type of small fish called minnow that are hunted by lake trouts. The example involves a type of small fish called minnows, which are hunted by lake trout. (我们修正了名词的复数形式，并调整了句子结构。)

When minnows smelled the odor of lake trouts, they would gather together and stop moving. When minnows detect the scent of lake trout, they gather together and cease movement. (我们使用了更高级的词汇，并调整了句子结构。)

Consequently, it would be hard for trouts to locate and eat them. As a result, it becomes difficult for trout to locate and consume them. (我们使用了更高级的词汇，并修正了名词的复数形式。)

In an experiment, minnows are exposed to the odor of two types of unfamiliar fish. In an experiment, minnows were exposed to the scents of two unfamiliar types of fish. (我们使用了更高级的词汇，并调整了时态。)

The first is brook trout, which is similar to lake trouts, their predator. The first type is brook trout, which is similar to their predator, lake trout. (我们修正了名词的复数形式，并调整了句子结构。)

And the second is a totally different species of fish. The second type is a completely different species of fish. (我们使用了更高级的词汇。)

As a result, minnows behave the same way as two lake trouts. As a result, minnows exhibit the same behavior as they do with lake trout. (我们调整了句子结构，使其更自然。)

They gather together and stop moving. They gather together and cease movement. (我们使用了更高级的词汇。)

However, when they encounter the second group, they just behave normally. However, when encountering the second type of fish, they exhibit normal behavior. (我们调整了句子结构，使其更自然。)

Revised Answer (140 words):

In the lecture, the professor provides an example illustrating the concept of generalization for avoiding predators, meaning that animals can sometimes recognize new predators based on their similarity to known predators. The example involves a type of small fish called minnows, which are hunted by lake trout. When minnows detect the scent of lake trout, they gather together and cease movement. As a result, it becomes difficult for trout to locate and consume them. In an experiment, minnows were exposed to the scents of two unfamiliar types of fish. The first type is brook trout, which is similar to their predator, lake trout. The second type is a completely different species of fish. As a result, minnows exhibit the same behavior as they do with lake trout. They gather together and cease movement. However, when encountering the second type of fish, they exhibit normal behavior.

6.思维导图

• Generalization for avoiding predators
  • Definition
  • Example
    • Minnows and lake trout
      • Minnows' behavior
      • Experiment
        • Brook trout
        • Different species of fish
        • Minnows' reactions

7.关键词

1.子项得分 Delivery: 3 Language Use: 2.5 Topic Development: 3

2.预估分数 Estimated Score: 23

3.表达 从表达方面来看，发言者的语言流利度和语速基本一致，但偶尔有停顿。为了提高发言质量，建议发言者注意以下几点：1) 在发言过程中尽量减少不必要的停顿；2) 注意正确发音，以避免拼写错误。通过改进这些方面，发言者的表达能力将得到提高。

4.话题发展 The speaker's response is generally coherent and well-organized, with clear connections between ideas. However, there are some inaccuracies in the content, such as referring to "mannose" instead of "minnows" and "electrode" instead of "lake trout." To improve topic development, the speaker should focus on using accurate terminology and providing sufficient support or examples from the reading and listening materials. Additionally, the speaker should work on refining their language use to better convey their ideas and make their response more coherent.

5.语言使用

Original Answer: Animals who recognize new predators by similarity to the predators they have known is called generalization. They generalize it based on how similar the new predators and the old predators are. And the mannose is a small fish and it's eaten by an electrode. When they meet the electrode, they can react to the smell of the electrode and when they meet the electrode, they get together and don't move a lot. Then the cetaceans put two species into the mannose and the first is similar to the electrode and the other is quite different and they only react to the similar electrode.

Corrected Answer: Animals that recognize new predators by their similarity to known predators exhibit a behavior called generalization. They base this generalization on how similar new predators are to old ones. The minnow is a small fish that is preyed upon by lake trout. When minnows encounter lake trout, they react to its scent and group together, minimizing movement. In an experiment, scientists introduced two new species to minnows: one similar to lake trout and another quite different. Minnows only reacted defensively to the similar species. (将"who"改为"that"，将"mannose"改为"minnow"，将"electrode"改为"lake trout"，将"cetaceans"改为"scientists"，简化句子结构，提高语言流畅性。)

Revised Answer (140 words): Animals that recognize new predators by their similarity to known predators exhibit a behavior called generalization. They base this generalization on how similar new predators are to old ones. The minnow is a small fish that is preyed upon by lake trout. When minnows encounter lake trout, they react to its scent and group together, minimizing movement. This defensive behavior helps them avoid being eaten. In an experiment, scientists introduced two new species to minnows: one similar to lake trout, such as brook trout, and another quite different. Minnows only reacted defensively to the similar species, illustrating the concept of generalization to avoid predators. This example demonstrates how animals can adapt their behavior based on their ability to recognize potential threats, even if they have never encountered them before, ultimately increasing their chances of survival.

6.思维导图

• Generalization

  • Recognizing new predators
  • Similarity to known predators

• Minnows

  • Small fish
  • Preyed upon by lake trout

• Defensive behavior

  • Reacting to scent
  • Grouping together, minimizing movement

• Experiment

  • Two new species introduced
  • One similar to lake trout, one different

• Concept illustration

  • Minnows react defensively to similar species
  • Generalization to avoid predators

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，发言者的语言流利，语速较为稳定，仅有少量停顿。但在某些地方，发言者需要注意正确的发音和适当的停顿。建议多练习发音和朗读，以提高口语表达能力。

4.话题发展 从话题发展方面来看，发言者对于题目要求的回答较为完整，能够清楚地阐述鱼类之间的关系以及如何通过泛化来避免捕食者。然而，在一些地方可以进一步完善和组织思路。建议在练习时尝试使用更多的连接词和例子来使回答更加连贯和有条理。

5.语言使用

Original: the lecture basically talking about the generalization to avoid the predators, The lecture mainly discusses the concept of generalization for avoiding predators, (用更自然的表达方式进行修改) which means when animals sometimes recognize new predators by the similarity to the predators they are familiar with in the past. meaning that animals can sometimes identify new predators based on their resemblance to known predators. (简化句子结构，提高语言流畅度)

Revised (140 words): The lecture mainly discusses the concept of generalization for avoiding predators, meaning that animals can sometimes identify new predators based on their resemblance to known predators. In the lecture, minnows, a small fish species, are hunted by lake trout. Minnows react to lake trout by detecting their smell and gathering closely together without moving much, making it difficult for lake trout to find and eat them. Scientists conducted an experiment exposing minnows to two different fish species. One was brook trout, which had a similar smell to lake trout. Minnows reacted similarly to brook trout as they did with lake trout, even though they had never encountered brook trout before. The other fish species was not a trout, and minnows behaved normally when exposed to it, as they did not perceive any danger. This example illustrates how minnows use generalization to avoid potential predators.

6.思维导图

- Generalization
  - Avoiding predators
  - Animals recognizing new predators

- Minnows
  - Small fish species
  - Hunted by lake trout

- Reaction to predators
  - Detecting smell
  - Gathering closely together

- Experiment
  - Brook trout (similar smell)
    - Minnows' similar reaction
  - Non-trout fish (different smell)
    - Minnows' normal behavior

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改进。例如，可以尝试减少不必要的停顿，并注意正确发音。建议多加练习，提高语言的流利度和自然度。

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，但在某些地方可以进一步完善。例如，在描述实验过程时可以更详细地说明两种不同类型的鱼，并强调它们与已知捕食者之间的相似性和差异。此外，在总结时可以更明确地指出小鱼通过泛化来避免捕食者。建议在练习中多关注这些细节，使回答更加完整和有说服力。

5.语言使用

Original: Generalization means sometimes an animal recognizes new predators by the similarity with the predators they are familiar with. The professor gives an example. A small fish called minnow, they are eaten by large trout and they would gather together to prevent the large fish from eating them. And the scientists conduct an experiment. There are two groups of fish. One group is a trout, have similar smell with the large trout and when the small fish smells it, its behavior act the same way they were in danger. However, another group, the fish act as normal, they don't respond like they are in danger.

Corrected: Generalization means sometimes Generalization occurs when (泛化是指当) an animal recognizes new predators by the similarity with their similarities to (与...的相似性) the predators they are familiar with. The professor gives an example. A small fish called minnow, minnow is (鱼名) eaten by large trout and they would gather together to prevent the large fish from eating them. And the scientists conduct an experiment. There are two groups of fish. One group is a trout, have similar smell with having a similar smell to (具有类似的气味) the large trout and when the small fish smells it, its behavior acts the same way they were in danger. However, another group, the fish act as normal, they don't respond like they are in danger.

Revised (140 words): Generalization occurs when an animal recognizes new predators by their similarities to the predators they are familiar with. The professor provides an example involving a small fish called minnow. Minnows are eaten by large trout and gather together to prevent being consumed. Scientists conducted an experiment with two groups of fish. One group consisted of trout with a similar smell to the large trout. When the minnows detected this smell, they exhibited the same behavior as if they were in danger. In contrast, the other group of fish did not elicit a similar response from the minnows, as they behaved normally and did not react as if they were in danger. This example demonstrates how minnows use generalization to avoid predators by recognizing similarities between known and unknown threats.

6.思维导图

• Generalization

  • Recognizing new predators
  • Similarities to known predators

• Example

  • Minnows and trout
  • Gathering behavior

• Experiment

  • Two groups of fish
    • Similar smell to large trout
    • Different type of fish
  • Minnows' response
    • Danger behavior
    • Normal behavior

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 在表达方面，发言者的语言流利度和语速基本一致，但偶尔有停顿。为了提高发言质量，建议发言者注意以下几点：1) 在练习发言时，尽量保持自然的语速和节奏，避免不必要的停顿；2) 在发音方面，注意提高准确性，尤其是在一些易混淆的单词上。通过多听、多模仿和多练习，相信发言者的表达能力会有所提高。

4.话题发展 The speaker provided a coherent and well-organized response, with clear connections between ideas and sufficient support or examples. However, there is room for improvement in topic development. The speaker could have elaborated more on the concept of generalization and how it applies to the minnows and trout example. Additionally, the speaker could have emphasized the significance of the experiment and its findings in understanding generalization as a survival strategy among animals. To improve, the speaker should focus on providing more detailed explanations and highlighting key points to create a more comprehensive response.

5.语言使用

Original Answer: The reading material talks about generalization, which is the phenomenon that animals can recognize new predators by similarity with their old predators. The reading passage discusses generalization, a phenomenon in which animals can identify new predators based on their similarities to known predators. (原句较啰嗦，改为更简洁明了的表达) In the biology lecture, the professor talks about a kind of fish called minnow and its predator lake trout. In the biology lecture, the professor mentions minnows and their predator, lake trout. (改进了句子结构和语法) The scientists conduct an experiment by putting minnow and two different other kinds of fish together. Scientists conducted an experiment by placing minnows with two other types of fish. (改进了句子结构和时态) When minnow encounters brook trout, which has the same taste of lake trout, they behave like encountering lake trout, gathering together and don't move much so that the trout cannot find them. When minnows encounter brook trout, which has a similar scent to lake trout, they react as if encountering lake trout by gathering together and minimizing movement to avoid detection. (改进了句子结构、词汇和语法) However, when they are put together with a totally different kind of fish, they just behave normally until they sense danger. However, when placed with a completely different type of fish, they exhibit normal behavior until sensing danger. (改进了句子结构和词汇)

Revised Answer (140 words): The reading passage discusses generalization, a phenomenon in which animals can identify new predators based on their similarities to known predators. In the biology lecture, the professor mentions minnows and their predator, lake trout. Scientists conducted an experiment by placing minnows with two other types of fish. When minnows encounter brook trout, which has a similar scent to lake trout, they react as if encountering lake trout by gathering together and minimizing movement to avoid detection. This behavior demonstrates their ability to generalize from their experience with lake trout to respond appropriately to a similar predator. However, when placed with a completely different type of fish, they exhibit normal behavior until sensing danger. This example illustrates how generalization helps animals like minnows adapt their responses to potential predators based on their previous experiences and the similarities between known and unknown threats.

6.思维导图

- Generalization
  - Definition
    - Identify new predators based on similarities to known predators
  - Example
    - Minnows and trout
      - Biology lecture
      - Experiment
        - Minnows with two other types of fish
          - Brook trout (similar scent to lake trout)
            - Minnows react as if encountering lake trout
          - Completely different type of fish
            - Minnows exhibit normal behavior until sensing danger

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，这个回答的语音清晰，语速基本一致，偶尔有停顿。为了提高表达能力，建议练习更流利的发音和更自然的语调。同时注意在适当的地方停顿，以免影响听众的理解。

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组织良好的。但是，在描述实验过程时，可以更详细地说明实验中使用的两种不同鱼类。此外，在解释概括现象时，可以进一步强调闻到相似气味时鱼类如何产生相似的反应。为了提高话题发展能力，建议多加练习，尝试在有限的时间内提供更多相关信息和例子。

5.语言使用

Original: According to the reading passage, generalization is a term that describes that animals recognize new predators by the similarity to the old predators. For example, the little fish mallow, which were hunted by the larger fish toad, can react to the smell of toad, and scientists held some experiments, providing two species that mallow have never seen. The first one is similar with the toad, so mallow can recognize it by their smell, and another one is not a toad at all, so the mallow behaved normally.

Corrected: According to the reading passage, generalization is a term that describes how animals recognize new predators by their similarity to known predators. For example, the small fish mallow minnow, which are hunted by the larger fish toad lake trout, can react to the smell of toad lake trout, and scientists conducted experiments, exposing minnows to two species they had never encountered before. The first one is similar to the toad lake trout, so minnows can recognize it by its smell, and another one is not a trout at all, so the minnows behaved normally.

(将“mallow”改为“minnow”，因为原文中提到的是minnow。将“toad”改为“lake trout”，因为原文中提到的是lake trout。)

Revised (140 words): According to the reading passage, generalization is a concept that explains how animals recognize new predators based on their similarity to known predators. For instance, the small fish called minnows, which are hunted by the larger fish known as lake trout, can react to the smell of lake trout. Scientists conducted experiments to explore this phenomenon, exposing minnows to two different species they had never encountered before. The first species was similar to the lake trout, so minnows could recognize it by its smell and exhibited a defensive behavior. In contrast, the second species was not a trout at all, and as a result, the minnows behaved normally without showing any signs of recognizing a potential threat. This example demonstrates how minnows use generalization to avoid predators by identifying unfamiliar species based on their similarity to known predators.

6.思维导图

- Generalization
  - Concept
    - Recognize new predators
    - Similarity to known predators
  - Example
    - Minnows and lake trout
      - Reaction to smell
      - Defensive behavior
    - Experiment
      - Two different species
        - Similar to lake trout
          - Recognized by smell
          - Exhibited defensive behavior
        - Not a trout at all
          - Normal behavior

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，这个回答的语言流利度和连贯性还不错，但有时会出现一些停顿。为了提高口语表达能力，建议在练习时注意掌握语速和节奏，尽量减少不必要的停顿。同时，注意发音的准确性，以免出现拼写错误。

4.话题发展 从话题发展方面来看，这个回答基本上涵盖了阅读和听力材料中的关键信息，并且在组织结构上也比较清晰。但是，在连接观点和提供支持或例子方面还有待加强。为了提高话题发展能力，建议在练习时更加关注如何将阅读和听力材料中的信息进行有效整合，并尝试使用更多的连接词来使观点之间的联系更加紧密。

5.语言使用

Original Answer: According to the given materials, generalization to avoid predators occurs when animals recognize new predators by their similarity to predators they are familiar with, and they behave the similar way as they do to avoid familiar predators. In the given materials, it is mentioned that animals use generalization to avoid predators by recognizing new threats based on their similarity to known predators and reacting similarly to evade them. (将句子结构进行了调整，使其更自然流畅。)

The bioengineering show provides an example of minnow to illustrate this phenomenon. The biology lecture provides an example of minnows to illustrate this concept. (更正了词汇错误，并调整了句子结构。)

Minnows are hunted by lake trout. When they encounter lake trout, they get together and don't move. Minnows, which are preyed upon by lake trout, tend to group together and remain motionless when encountering them. (使用了更高级的词汇和更自然的表达方式。)

Scientists went to explore the reaction of minnows when they encounter other kinds of fishes. Scientists conducted an experiment to investigate how minnows react when exposed to other types of fish. (改进了句子结构和词汇选择。)

There are two groups of fishes. One group is brook trout. It is similar to lake trout. The second group is a totally different fish. The experiment involved two types of fish: brook trout, which are similar to lake trout, and another completely different species. (合并了相关信息，使句子更紧凑。)

When minnows smell the brook trout, they behave the similar way when they encounter lake trout. Upon detecting the scent of brook trout, minnows exhibit the same behavior as when encountering lake trout. (调整了句子结构，使其更自然。)

When they smell the other kind of fish, they behave normally as they are not in danger. However, when exposed to the scent of the different species, minnows do not display any defensive behavior as they do not perceive any threat. (使用了更高级的词汇和表达方式。)

Revised Answer (140 words): In the given materials, it is mentioned that animals use generalization to avoid predators by recognizing new threats based on their similarity to known predators and reacting similarly to evade them. The biology lecture provides an example of minnows to illustrate this concept. Minnows, which are preyed upon by lake trout, tend to group together and remain motionless when encountering them. Scientists conducted an experiment to investigate how minnows react when exposed to other types of fish. The experiment involved two types of fish: brook trout, which are similar to lake trout, and another completely different species. Upon detecting the scent of brook trout, minnows exhibit the same behavior as when encountering lake trout. However, when exposed to the scent of the different species, minnows do not display any defensive behavior as they do not perceive any threat.

6.思维导图

- Generalization to avoid predators
  - Recognizing new threats
  - Reacting similarly to evade them

- Biology lecture example
  - Minnows and lake trout
    - Group together and remain motionless
  - Experiment
    - Brook trout (similar to lake trout)
      - Minnows exhibit the same behavior
    - Different species (not a threat)
      - Minnows do not display defensive behavior

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，这位考生的语音清晰，语速适中，但偶尔会有些停顿。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) 尝试减少不必要的停顿，让语言更流畅；2) 注意正确发音，避免因发音不准确而导致的拼写错误；3) 在练习时多关注语调和重音，使口语更自然。

4.话题发展 The speaker provides a coherent and well-organized response, with clear connections between ideas and sufficient support or examples. However, there is room for improvement in topic development. To enhance the response, the speaker could: 1) Elaborate more on the concept of generalization and how it applies to the minnows and trout example; 2) Provide more specific details from the reading and listening passages to support the main points; 3) Use clearer transitions between ideas to improve the overall flow of the response.

6.语言使用

Original Answer: According to the reading, generalization is the phenomenon that animals can recognize new predators by their knowledge about the predators they are familiar with. The professor gives the example of fish called mineral. These fish are hunted by a larger fish called trout. When there is an experiment, the scientists put the mineral to two different kinds of fish. The first kind of fish is another kind of trout. When the mineral faced this kind of trout, they behave the same way as they meet the trout. And secondly, there's a totally different fish. And when this little fish meet this totally different fish, they behave normally as if they are not in the dangerous environment at all.

Corrected Answer: According to the reading, generalization is the phenomenon in which animals can recognize new predators based on their knowledge of predators they are familiar with. The professor gives the example of a fish called minnows. These fish are hunted by a larger fish called lake trout. In an experiment, scientists exposed minnows to two different kinds of fish. The first type was another species of trout. When the minnows encountered this type of trout, they behaved in the same way as when they encountered lake trout. Secondly, there was a completely different species of fish. When the minnows encountered this different species, they behaved normally as if they were not in a dangerous environment at all. (根据阅读材料，泛化是一种现象，动物可以根据对熟悉捕食者的了解来识别新的捕食者。教授举了一种叫做鲦鱼的鱼的例子。这些鱼被一种叫做湖鳟的较大鱼捕食。在一个实验中，科学家让鲦鱼接触两种不同的鱼。第一种是另一种鳟鱼。当鲦鱼遇到这种鳟鱼时，它们的行为与遇到湖鳟时相同。其次，还有一种完全不同的鱼类。当鲦鱼遇到这种不同的物种时，它们的行为就像根本不处于危险环境中一样正常。)

Revised Answer (140 words): Generalization, as described in the reading, is a phenomenon where animals can recognize new predators based on their familiarity with other predators. The professor illustrates this concept using the example of minnows, which are hunted by a larger fish called lake trout. In an experiment, scientists exposed minnows to two distinct types of fish. The first type was another species of trout, and when the minnows encountered this trout species, they behaved similarly to when they faced lake trout. The second type was a completely different species of fish. In this case, the minnows behaved normally, as if they were not in any danger. This example demonstrates how minnows use generalization to identify potential predators and adapt their behavior accordingly to avoid being hunted.

7.思维导图

- Generalization
  - Recognize new predators
  - Familiarity with other predators

- Example
  - Minnows and trout
    - Experiment
      - Two types of fish
        - Another species of trout
          - Similar behavior to lake trout encounter
        - Completely different species
          - Normal behavior, no danger sensed

8.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，回答中的发音和语速较为清晰和流畅。但在某些地方，发音可能会有些不准确，导致拼写错误。建议在练习发音时注意一些容易发错的单词，并尝试在说话时保持一致的语速，避免不必要的停顿。

4.话题发展 回答内容基本上符合题目要求，能够解释鱼类示例如何说明了动物通过归纳来避免捕食者的概念。然而，在组织结构上还有改进的空间。建议在回答时更加注意逻辑顺序和连接词的使用，以使回答更加连贯和有条理。同时，可以尝试提供更多关于实验过程和结果的细节，以增强论据的说服力。

5.语言使用

Original: Generalization means animals sometimes recognize new predators by the similarity to predators they are familiar with. The lecture sets the minnows as an example for this concept. They are caught by a lake trout, and when they recognize the lake trout's smell, they gather together and do not move much. The scientists conduct an experiment to demonstrate this phenomenon. They get a group of minnows and two groups of other fish that they have not seen before. One group is the brock trout, which is different but similar to the lake trout, and the other is a totally different one. When the minnows smell the brock trout, they behave the same as they see the lake trout, and when they see the other group, they just behave normal and do not respond that they are in danger.

Corrected: Generalization means animals sometimes recognize new predators by their similarity, to predators they are familiar with. The lecture provides minnows as an example for this concept. They are preyed upon by lake trout, and when they recognize the lake trout's smell, they gather together and do not move much. The scientists conduct an experiment to demonstrate this phenomenon. They gather a group of minnows and two groups of other fish that they have not seen before. One group is the brook trout, which is different but similar to the lake trout, and the other is a totally different one species. When the minnows smell the brook trout, they behave the same as they do when they detect the lake trout, and when they encounter the other group, they just behave normally and do not respond as if they are in danger.

(将“sets”改为“provides”是因为“provides”在此处更自然。将“caught”改为“preyed upon”，因为这样更准确地描述了鱼类之间的捕食关系。将“get”改为“gather”，因为这样更符合实验的语境。将“brock”改为正确的拼写“brook”。在“totally different one”后面加上“species”，使句子更完整。将“see”改为“detect”，以便更准确地描述鱼类如何感知其他鱼类。将“see”改为“encounter”，以便更准确地描述鱼类如何遇到其他鱼类。将“normal”改为副词形式的“normally”。在“do not respond”后面加上“as if”，使句子更自然。)

Revised Answer (140 words):

Generalization refers to animals' ability to recognize new predators based on their similarity to known predators. The lecture provides minnows as an example to illustrate this concept. Minnows are preyed upon by lake trout, and when they detect the scent of lake trout, they gather together and minimize movement. Scientists conducted an experiment to demonstrate this phenomenon. They gathered a group of minnows and introduced them to two unfamiliar fish species. One species was the brook trout, which is distinct yet similar to the lake trout, while the other was an entirely different species. When the minnows detected the brook trout's scent, they exhibited the same defensive behavior as they did with lake trout. However, when encountering the other fish species, they behaved normally and did not react as if they were in danger.

6.思维导图

• Generalization

  • Recognize new predators
  • Similarity to known predators

• Minnows

  • Preyed upon by lake trout
  • Defensive behavior: gather together, minimize movement

• Experiment

  • Group of minnows
  • Two unfamiliar fish species
    • Brook trout: distinct yet similar to lake trout
    • Entirely different species
  • Minnows' reactions
    • Brook trout: same defensive behavior as with lake trout
    • Different species: normal behavior, no danger reaction

7.关键词