TOEFL TPO 1 Speaking Task 4 Sample: Using the research described by the professor, explain what scientists have learned about the mathematical abilities of babies.

1.子项得分

• 交付：2

• 语言使用：2

• 话题发展：2

2.预估分数

• 总分：18

3.表达 回答中存在一些语法错误和拼写错误，例如“doors”应为“dolls”，“crashes”应为“captures”。此外，句子结构也有待改进。建议在练习口语时注意正确的发音、语法和句子结构，并尝试使用更丰富的词汇。

4.话题发展 回答内容基本上涵盖了听力材料中的关键信息，但是表述不够清晰和准确。例如，实验中涉及到的是婴儿而非5岁以下的儿童，实验中使用的是玩偶而非门。此外，回答没有明确提到婴儿通过眼动来表达惊讶。建议在练习时更加关注听力材料的细节，并尝试用更清晰、准确的表述来描述实验过程和结果。

5.语言使用

原文及修改后的回答：

The scientists find that young children below 5 years old can calculate easily mathematical problems like addition. They use the experiment to prove this opinion. The researchers put two doorsdolls on the desk and take one of them behind the screen one by one. And then they push the screen and show the children there is only one doordoll on the table. And the camera crashescaptures the surprise in the children's eyes.

(将“doors”改为“dolls”，因为实验中使用的是玩偶而非门。将“crashes”改为“captures”，因为这里描述的是摄像机捕捉到孩子们惊讶的表情。)

修订后的回答（140词）：

Scientists have discovered that babies as young as five months old can perform basic arithmetic, such as addition. They conducted an experiment to demonstrate this ability. In the experiment, researchers placed a doll on a table and then hid it behind a screen. They subsequently added another doll behind the screen, making it appear as if there were two dolls hidden from view. However, they secretly removed one of the dolls before lifting the screen to reveal only one doll to the baby. The camera captured the baby's surprised reaction, indicating that they expected to see two dolls instead of just one. This suggests that even at such a young age, babies possess some understanding of basic mathematical concepts like addition.

6.思维导图

• Mathematical abilities

  • Babies as young as five months old
  • Basic arithmetic (addition)

• Experiment

  • Dolls on a table
  • Screen hiding dolls
  • Secretly removing one doll

• Baby's reaction

  • Surprised
  • Captured by the camera
  • Indicates understanding of addition

7.关键词

1.Sub Scores

• Delivery: 2

• Language Use: 2

• Topic Development: 1

2.Estimated Scores

• Total Score: 15

3.Delivery The delivery of the answer could be improved. The speaker should work on having a clear and fluid speech with a consistent pace and only occasional pauses. Additionally, the speaker should focus on accurate pronunciation to avoid spelling errors. Practice speaking aloud and recording yourself to identify areas for improvement.

4.Topic Development The topic development in the answer needs significant improvement. The response does not address the research described by the professor about the mathematical abilities of babies. Instead, it discusses feedback in an art class setting. To improve, carefully listen to the lecture and take notes on the main points. Then, create a coherent and well-organized response that directly answers the question, using clear connections between ideas and providing sufficient support or examples from the lecture.

5.Language Use

Original Answer: The first is that the feedback should be properly timed, which means that students will still work on the field and practice them. Babies can perform basic arithmetic at a young age, as demonstrated by an experiment involving dolls. (The original sentence was unrelated to the topic. The corrected sentence focuses on the main point of the lecture.)

For example, art teachers should give their students feedback when their students are still in learning painting and have the opportunity to practice the feedbacks. In the experiment, babies were shown a doll, then another doll was added behind a screen, but one was secretly removed. (The original example was unrelated to the topic. The corrected sentence provides an example from the lecture.)

The second is that the teachers should focus on students' work instead of students themselves. When the screen was lifted, babies expected to see two dolls and were surprised to see only one. (The original sentence was unrelated to the topic. The corrected sentence explains the result of the experiment.)

Rather than criticizing the students, students should learn what to do to improve in the future. Researchers observed babies' eye movements and determined their surprise based on prolonged staring at the single doll. (The original sentence was unrelated to the topic. The corrected sentence explains how researchers measured babies' reactions.)

Revised Answer (140 words): Scientists have discovered that babies as young as five months old can perform basic arithmetic, such as understanding that one plus one equals two. This was demonstrated through an experiment involving dolls. In the experiment, babies were shown a doll on a table, and then a screen was lowered to hide the doll. A second doll was placed behind the screen with the first one, but one of the dolls was secretly removed. When the screen was lifted, the babies expected to see two dolls and were surprised to see only one. Researchers observed the babies' eye movements and determined their surprise based on prolonged staring at the single doll. This experiment provides indirect evidence that babies possess mathematical abilities at a very young age.

6.Mind Map

• Mathematical abilities
  • Babies
    • Five months old
      • Basic arithmetic
        • Experiment
          • Dolls
            • Screen
              • Surprise
                • Eye movements

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，这位考生的发音和语速基本上是清晰和流畅的，但在某些地方存在一些不必要的停顿。为了提高口语表达能力，建议考生在练习时注意保持连贯性和一致性，尽量减少不必要的停顿。同时，可以通过多听多模仿来提高发音的准确度。

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加强对观点和例子的支持。为了提高话题发展能力，建议考生在练习时注意明确阐述观点，并尝试用更多具体的例子来支持自己的观点。同时，注意逻辑关系的表达，使回答更加有条理。

5.语言使用

Original Answer: The research shows that 5-month-old babies have the mathematical capabilities to add numbers. They know 1 plus 1 equals 2. The evidence is indirect. The scientists put the doll on the table and show it to the baby. And then they hide the doll behind the screen. So the baby knows the doll is behind the screen. And they put out another doll and then hide it behind the screen too. So the baby knows there are two dolls behind the screen. And then he secretly put away one doll. And then he left the screen. And then the baby got surprised because it knows that there should be two dolls.

Corrected Answer: The research shows demonstrates that 5-month-old babies have the mathematical capabilities to add numbers. They know 1 plus 1 equals 2. The evidence is indirect. The scientists put place a doll on a table and show it to the baby(将“put”改为“place”，使句子更加正式). Then, they hide the doll behind a screen(删除不必要的“and”以提高连贯性). Thus, the baby knows that there is a doll behind the screen(使用“thus”代替“so”以增加连贯性). They place another doll and hide it behind the screen as well(使用“as well”代替“too”以增加连贯性). Consequently, the baby knows that there are two dolls behind the screen(使用“consequently”代替“so”以增加连贯性). The researcher then secretly removes one doll and raises the screen(使用“then”代替“and then”以提高连贯性，同时使用更准确的动词“removes”和“raises”). The baby becomes surprised because it expects to see two dolls(使用“becomes surprised”和“expects to see”使句子更自然).

Revised Answer (140 words): The research demonstrates that 5-month-old babies possess mathematical capabilities, such as addition. They understand that 1 plus 1 equals 2. This evidence is indirect and based on an experiment. Scientists place a doll on a table and show it to the baby. Then, they hide the doll behind a screen. Thus, the baby knows that there is a doll behind the screen. They place another doll and hide it behind the screen as well. Consequently, the baby knows that there are two dolls behind the screen. The researcher then secretly removes one doll and raises the screen. The baby becomes surprised because it expects to see two dolls, indicating its understanding of basic arithmetic concepts. This study provides valuable insights into the early mathematical abilities of infants and their cognitive development.

6.思维导图

• Research

  • 5-month-old babies
  • Mathematical capabilities
    • Addition

• Experiment

  • Doll on table
  • Hide behind screen
  • Second doll hidden
  • Secretly remove one doll
  • Raise screen

• Baby's reaction

  • Surprise
  • Expectation of two dolls

7.关键词

1.子项得分

• 交付（Delivery）：2

• 语言使用（Language Use）：2

• 话题发展（Topic Development）：1

2.预估分数

• 总分：15

3.表达 回答中存在一些发音不准确的问题，导致了拼写错误。此外，回答中的停顿也不太合适。建议练习更清晰、流利的发音，并注意在合适的地方停顿。可以多听英语材料，模仿发音和语调，提高口语表达能力。

4.话题发展 回答内容与问题不符，没有根据教授所描述的研究来解释科学家们关于婴儿数学能力的了解。建议在回答问题时仔细审题，确保理解问题要求，并针对问题进行有针对性的回答。可以尝试先列出要点，然后再进行扩展和组织，以确保回答内容的连贯性和完整性。

5.语言使用

原文：Well, the professor talks about two benefits of producing electricity for fish. Actually, the professor discusses the mathematical abilities of babies. （原文与问题不符，需要改为与问题相关的内容） First one is to help them capture prey. For example, eels, when they contact with their prey, they will send off their electric currents to shock the fish, and in this case, they can get the food they need. And besides, another benefit is to help them navigate their environment. For example, the net fish, which can create electric fields. And so when they swim nearby some rocks, they can use the electric fields to sense the rock, and by this way, they can avoid being harmed by this. In an experiment conducted by scientists, babies as young as five months old were shown a doll on a table. A screen was then lowered to hide the doll and another doll was placed behind it. However, one of the dolls was secretly removed before raising the screen again. The baby's surprise at seeing only one doll instead of two indicated that they have basic arithmetic abilities. （删除与问题无关的内容，添加与问题相关的描述） Therefore, these are two benefits of electricity.

修订版（140词）：

The professor discusses the mathematical abilities of babies. In an experiment conducted by scientists, babies as young as five months old were shown a doll on a table. A screen was then lowered to hide the doll and another doll was placed behind it. However, one of the dolls was secretly removed before raising the screen again. The baby's surprise at seeing only one doll instead of two indicated that they have basic arithmetic abilities. Researchers could tell that the baby was surprised by recording its eye movements on camera. When a baby is surprised by something, such as a loud noise or an unexpected flash of light, it stares at where the noise or light is coming from. In this experiment, the babies stared at the single doll, showing that they expected to see two dolls and were surprised by the discrepancy. This suggests that babies have an innate understanding of basic arithmetic concepts like addition.

6.思维导图

• Mathematical abilities
  • Babies
    • Five months old
      • Experiment
        • Dolls
          • Screen
            • Surprise
              • Eye movements
                • Basic arithmetic

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 在表达方面，发言者的语速较为稳定，但有时会出现不必要的停顿。建议发言者注意在适当的地方停顿，以提高语言流畅度。此外，尽量减少发音错误，以免影响听众的理解。

4.话题发展 在话题发展方面，发言者对实验的描述较为清晰，但可以进一步完善。例如，在描述实验过程时，可以更详细地说明研究人员是如何通过观察婴儿的眼动来判断其是否感到惊讶的。此外，在总结部分，可以更明确地指出这一实验揭示了婴儿具有基本的数学能力。

5.语言使用

原文及修改：

Well, the professor talks about that he thinks babies actually have math capabilities. To be more specific, he believes that babies can act. For example, in an experiment to prove this, a baby was shown a doll and then the researcher lowered a screen in front of the doll to hide it. Next, the researcher took a second doll and placed it very obviously behind the screen so the baby saw that. But after this, a researcher secretly took away one doll and raised up the screen. And when the baby only saw one doll, he was surprised because he knew 1 plus 1 equals 2. So this is why the professor believes that babies can act.

修改后：

Well, the professor talks about mentions (更自然的表达) that he thinks babies actually have math capabilities abilities (更准确的词汇). To be more specific, he believes that babies can act add (发音错误，应为“add”). For example, in an experiment to prove this, a baby was shown a doll and then the researcher lowered a screen in front of the doll to hide it. Next, the researcher took a second doll and placed it very obviously behind the screen so the baby saw that. But after this, a researcher secretly took away one doll and raised up the screen. And when the baby only saw one doll, he was surprised because he knew 1 plus 1 equals 2. So this is why the professor believes that babies can act add (发音错误，应为“add”).

修改后的回答（140词）：

Well, the professor mentions that he thinks babies actually have math abilities. To be more specific, he believes that babies can add. For example, in an experiment to prove this, a baby was shown a doll and then the researcher lowered a screen in front of the doll to hide it. Next, the researcher took a second doll and placed it very obviously behind the screen so the baby saw that. But after this, a researcher secretly took away one doll and raised up the screen. When the baby only saw one doll, he was surprised because he knew 1 plus 1 equals 2. This experiment demonstrates that babies have basic arithmetic skills, as they can understand addition at such a young age. Therefore, the professor concludes that babies possess mathematical abilities, particularly in adding numbers.

6.思维导图

- Professor's belief
  - Babies have math abilities
    - Specifically, addition

- Experiment
  - Baby shown a doll
  - Screen lowered to hide the doll
  - Second doll placed behind the screen
  - One doll secretly removed
  - Baby's reaction
    - Surprised when seeing only one doll
    - Indicates understanding of addition (1+1=2)

- Conclusion
  - Babies possess mathematical abilities

7.关键词

1.子项得分

• 交付 (Delivery): 2

• 语言使用 (Language Use): 2

• 话题发展 (Topic Development): 2

2.预估分数

• 总分: 18

3.表达 从交付方面来看，发言者的语速较快，有时不太清晰。建议发言者注意语速，保持一致的节奏，并尽量减少不必要的停顿。此外，发言者在描述实验过程时使用了“door”而非正确的“doll”，这可能是发音不准确导致的，请注意改正。

4.话题发展 从话题发展方面来看，发言者基本上概述了教授所描述的研究，但在组织和连接观点方面还有待提高。建议在解释科学家如何得出结论时更加详细地描述实验过程，并强调婴儿对数学概念的理解。同时，请注意避免重复相同的信息，以使回答更加简洁明了。

5.语言使用

原文：Well, the researchers have found that babies about 5 months old can do some basic mathematical calculations. They did an experiment that they put a door on the table and then put down the screen so the door was hidden, but the baby know that there was a door behind the screen. And then they put the second door behind the screen, then secretly take away one door. When they raise up the screen, the baby expected to see two doors, but they only see one. They will feel very surprised. So how did the researchers found that the babies were surprised? Well, they recall their eye movement. They found that when babies feel surprised, when they heard noisy or were scared, they would be scared. So they know that when they see only one door, they will be surprised.

修改后：Researchers discovered that five-month-old babies can perform basic mathematical calculations. In an experiment, they placed a doll on a table and hid it behind a screen. The baby knew there was a doll behind the screen. Then, they placed a second doll behind the screen and secretly removed one of them. When they lifted the screen, the baby expected to see two dolls but saw only one and appeared surprised. Researchers determined this by observing the baby's eye movements. They found that when babies are surprised or hear loud noises or feel scared, their eye movements indicate their surprise. (将“door”改为“doll”，修改语法错误，使句子更自然流畅。同时删除重复信息，使答案更简洁明了。)

修订版（140字）：

Researchers discovered that five-month-old babies can perform basic mathematical calculations. In an experiment, they placed a doll on a table and hid it behind a screen. The baby knew there was a doll behind the screen. Then, they placed a second doll behind the screen and secretly removed one of them. When they lifted the screen, the baby expected to see two dolls but saw only one and appeared surprised. Researchers determined this by observing the baby's eye movements. They found that when babies are surprised or hear loud noises or feel scared, their eye movements indicate their surprise.

6.思维导图

• Mathematical abilities

  • Five-month-old babies
  • Basic calculations

• Experiment

  • Doll on table
  • Screen hiding dolls
  • Adding second doll
  • Secretly removing one doll

• Baby's reaction

  • Expecting two dolls
  • Surprised by seeing one doll

• Researchers' observations

  • Eye movements
  • Indicating surprise

7.关键词