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TOEFL TPO 30 Writing Task 1 Sample: Summarize the points made in the lecture, being sure to explain how they challenge the specific points made in the reading passage.

Historical user samples and AI evaluation results from an older TOEFL format.

85 archived user samples

Older TOEFL Format

This task is from a previous version of the TOEFL exam. The current TOEFL has a different structure. These archived samples remain available as a reference for practice.

Task Overview

Reading Passage

A little over 2,200 years ago, the Roman navy attacked the Greek port city of Syracuse. According to some ancient historians, the Greeks defended themselves with an ingenious weapon called a "burning mirror": a polished copper surface curved to focus the Sun's rays onto Roman ships, causing them to catch fire. However, we have several reasons to suspect that the story of the burning mirror is just a myth and the Greeks of Syracuse never really built such a device.First, the ancient Greeks were not technologically advanced enough to make such a device. A mirror that would focus sunlight with sufficient intensity to set ships on fire would have to be several meters wide. Moreover, the mirror would have to have a very precise parabolic curvature (a curvature derived from a geometric shape known as the parabola). The technology for manufacturing a large sheet of copper with such specifications did not exist in the ancient world.Second, the burning mirror would have taken a long time to set the ships on fire. In an experiment conducted to determine whether a burning mirror was feasible, a device concentrating the Sun's rays on a wooden object 30 meters away took ten minutes to set the object on fire; and during that time, the object had to be unmoving. It is unlikely that the Roman ships stayed perfectly still for that much time. Such a weapon would therefore have been very impractical and ineffective.Third, a burning mirror does not seem like an improvement on a weapon that the Greeks already had: flaming arrows. Shooting at an enemy's ships with flaming arrows was a common way of setting the ships on fire. The burning mirror and flaming arrows would have been effective at about the same distance. So the Greeks had no reason to build a weapon like a burning mirror.

Question

Summarize the points made in the lecture, being sure to explain how they challenge the specific points made in the reading passage.

User Samples & Evaluation Results

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User Sample #1

The reading declared that the weapon which defeated the Roman is fictional, by providing the following reasons and listen oppose them. First of all, ...

User Sample

The reading declared that the weapon which defeated the Roman is fictional, by providing the following reasons and listen oppose them. First of all, the capacity of ignite a ship, a several meters long mirror is integral, but Greece is not technologically advanced enough to make such equipment. The listening acknowledges that it is impossible to manufacture such an enormous mirror. However, the listening doubt this by explaining that the Greeks could produce a dozen of separated mirrors which also worked if they were put in proper size. Secondly, the passage announces that a burning mirror need such a long time to set a ship on fire. An experiment has shown that it cost 10 minutes for a burning mirror to set the wooden object on fire and that object need to be stationary.The listening against this idea by saying there is an object called pitch connecting wooden pieces which is easy to catch fire in seconds and the fire would spread widely on the broad. Ultimately, the reading indicate that the burning mirror isn't an improvement of another weapon named flaming arrow, so this is dispensable for Greek to contrive a new weapon. This listening argues that roman was already familiar with the original weapon and being wary about it while the new invention wouldn't be known and were able to start a fire on an unobvious locale.

Evaluation Result

1.Sub Scores

  • Task fulfillment: 3

  • Organization: 3

  • Coherence and Cohesion: 3

  • Language Use: 2

2.Estimated Scores

20. 3.Task completeness

The essay does address the specific requirements of the task, summarizing the points made in the lecture and explaining how they challenge the points made in the reading passage. However, there is room for improvement in terms of clarity and language use. To improve task fulfillment, consider rephrasing some sentences to make them clearer and more concise.

Example 1: Original: "The listening acknowledges that it is impossible to manufacture such an enormous mirror." Improved: "The lecture acknowledges that creating a single large mirror would be impossible."

Example 2: Original: "This listening argues that roman was already familiar with the original weapon and being wary about it while the new invention wouldn't be known and were able to start a fire on an unobvious locale." Improved: "The lecture argues that Romans were already familiar with flaming arrows, making burning mirrors a more surprising and effective weapon."

4.Essay structure and organization The essay has a clear structure with an introduction, body, and conclusion. However, some paragraphs could be better organized to focus on specific points. Additionally, transitions between ideas could be improved to enhance coherence.

Example 1: Original: "First of all, the capacity of ignite a ship..." Improved: "Firstly, regarding the technological capability of creating a burning mirror..."

Example 2: Original: "Secondly, the passage announces that a burning mirror need such a long time to set a ship on fire." Improved: "Secondly, while the passage claims that burning mirrors would take too long to set ships on fire..."

5. 语法批改

The reading declared that the weapon which defeated the Roman is fictional, by providing the following reasons and listen opposeto oppose(This rule identifies whether the preposition 'to' is missing in a sentence.) them.

First of allFirst(first of all (first)), the capacity ofto(This rule identifies wrong preposition usage.) ignite a ship, a several meters long mirror is integral, but Greece is not technologically advanced enough to make such equipment. The listening acknowledges that it is impossible to manufacture such an enormous mirror. However, the listening doubt this by explaining that the Greeks could produce a dozen of separated mirrors which also worked if they were put in proper size.

Secondly, the passage announces that a burning mirror need such a long time to set a ship on fire. An experiment has shown that it cost 10 minutes for a burning mirror to set the wooden object on firefire,(This rule identifies whether commas are missing in a sentence.) and that object need to be stationary.The The(Missing space between sentences) listening against this idea by saying there is an object called pitch connecting wooden pieces which is easy to catch fire in seconds and the fire would spread widely on the broad.

Ultimately, the reading indicate that the burning mirror isn't an improvement of another weapon named flaming arrow, so this is dispensable for Greek to contrive a new weapon. This listening argues that roman was already familiar with the original weapon and being wary about itit,(This rule identifies whether commas are missing in a sentence.) while the new invention wouldn't be known and were able to start a fire on an unobvious locale.

Section Title: 6. Revised Essay

The reading asserts that the burning mirror, a weapon allegedly used by the Greeks to defeat the Romans, is merely a myth. It provides several reasons to support this claim, which are challenged by the points made in the listening.

Firstly, the reading contends that the ancient Greeks lacked the technological advancements necessary to create a large, parabolic mirror capable of igniting ships. In contrast, the listening disputes this by explaining that instead of producing one massive mirror, the Greeks could have assembled multiple smaller mirrors into a parabolic shape to achieve the same effect.

Secondly, the passage argues that a burning mirror would require an impractical amount of time to set a ship ablaze. It cites an experiment where it took ten minutes for a burning mirror to ignite a stationary wooden object. The listening counters this argument by mentioning pitch - a substance used in boat construction that catches fire rapidly. It suggests that once ignited by a burning mirror within seconds, pitch would quickly spread fire throughout the ship regardless of its movement.

Lastly, the reading posits that there was no need for Greeks to develop a burning mirror as they already had flaming arrows as an effective weapon. However, the listening refutes this notion by stating that Romans were familiar with flaming arrows and prepared to extinguish any fires they caused. In contrast, burning mirrors would have been an unfamiliar and stealthier weapon capable of starting fires in less noticeable locations on ships, making them more effective than flaming arrows. (259 words)

Section Title: 7. Essay Grading

The reading declared asserts that the weapon which defeated the Roman Romans is fictional, by providing the following reasons and listen oppose them. (The reading asserts that the burning mirror, a weapon allegedly used by the Greeks to defeat the Romans, is merely a myth. It provides several reasons to support this claim, which are challenged by the points made in the listening.)

First of all, the capacity of ignite a ship, a several meters long mirror is integral, but Greece is not technologically advanced enough to make such equipment. (Firstly, the reading contends that the ancient Greeks lacked the technological advancements necessary to create a large, parabolic mirror capable of igniting ships.) The listening acknowledges that it is impossible to manufacture such an enormous mirror. However, the listening doubt this by explaining that the Greeks could produce a dozen of separated mirrors which also worked if they were put in proper size. (In contrast, the listening disputes this by explaining that instead of producing one massive mirror, the Greeks could have assembled multiple smaller mirrors into a parabolic shape to achieve the same effect.)

Secondly, the passage announces that a burning mirror need such a long time to set a ship on fire. An experiment has shown that it cost 10 minutes for a burning mirror to set the wooden object on fire and that object need to be stationary.The stationary.(Secondly, the passage argues that a burning mirror would require an impractical amount of time to set a ship ablaze. It cites an experiment where it took ten minutes for a burning mirror to ignite a stationary wooden object.) The listening against this idea by saying there is an object called pitch connecting wooden pieces which is easy to catch fire in seconds and the fire would spread widely on the broad. (The listening counters this argument by mentioning pitch - a substance used in boat construction that catches fire rapidly. It suggests that once ignited by a burning mirror within seconds, pitch would quickly spread fire throughout the ship regardless of its movement.)

Ultimately, the reading indicate that the burning mirror isn't an improvement of another weapon named flaming arrow, so this is dispensable for Greek to contrive a new weapon. (Lastly, the reading posits that there was no need for Greeks to develop a burning mirror as they already had flaming arrows as an effective weapon.) This listening argues that roman was already familiar with the original weapon and being wary about it while the new invention wouldn't be known and were able to start a fire on an unobvious locale.locale. (However, the listening refutes this notion by stating that Romans were familiar with flaming arrows and prepared to extinguish any fires they caused. In contrast, burning mirrors would have been an unfamiliar and stealthier weapon capable of starting fires in less noticeable locations on ships, making them more effective than flaming arrows.)


  1. Mind Map

- Burning Mirror Myth
    - Reading's Arguments
        1. Lack of technology for large parabolic mirror
        2. Impractical time to ignite ships
        3. Flaming arrows as an effective weapon
    - Listening's Counterarguments
        1. Multiple smaller mirrors assembled into parabolic shape
        2. Rapid ignition of pitch on ships
        3. Burning mirrors as stealthier and more effective than flaming arrows
  1. Key Words
WordPhonetic SymbolPart of SpeechEnglish DefinitionEnglish Translation (if needed)Sample Sentence
Parabolic/ˌpærəˈbɒlɪk/AdjectiveRelated to or shaped like a parabolaN/AThe Greeks used a parabolic mirror to focus sunlight and ignite enemy ships.
Ignite/ɪɡˈnaɪt/VerbTo catch fire or cause something to catch fireN/AThe burning mirror was able to ignite the ship within seconds due to the pitch on its surface.
Impractical/ɪmˈpræktɪkəl/AdjectiveNot suitable or realistic in practiceN/AThe reading argues that using a burning mirror would be impractical due to the time it takes to work.
Pitch/pɪtʃ/NounA thick, black, sticky substance derived from tarN/AThe ship's surface was covered in pitch, making it highly flammable when exposed to heat.
Stealthier/ˈstelθiər/AdjectiveMore difficult to detect or noticeN/ABurning mirrors were a stealthier weapon than flaming arrows, making them more effective.
Extinguish/ɪkˈstɪŋɡwɪʃ/VerbTo put out a fire or lightN/AThe Romans were prepared to extinguish any fires caused by flaming arrows.
Counterargument/ˈkaʊntərˌɑrɡjəmənt/NounAn argument that opposes another argumentN/AThe listening provides several counterarguments to the reading's claims about the burning mirror.
Ablaze/əˈbleɪz/AdjectiveBurning fiercely; on fireN/AOnce ignited by the burning mirror, the ship was quickly set ablaze.
Allegedly/əˈlɛdʒɪdli/AdverbAccording to what people say or believe; supposedlyN/AThe burning mirror was allegedly used by the Greeks to defeat the Romans.
Assemble/əˈsɛmbəl/VerbTo bring together or gather into one place, company, body, or wholeN/AThe Greeks could have assembled multiple smaller mirrors into a parabolic shape.

Section Title: 6. Revised Essay

The reading asserts that the burning mirror, a weapon allegedly used by the Greeks to defeat the Romans, is merely a myth. It provides several reasons to support this claim, which are challenged by the points made in the listening.

Firstly, the reading contends that the ancient Greeks lacked the technological advancements necessary to create a large, parabolic mirror capable of igniting ships. In contrast, the listening disputes this by explaining that instead of producing one massive mirror, the Greeks could have assembled multiple smaller mirrors into a parabolic shape to achieve the same effect.

Secondly, the passage argues that a burning mirror would require an impractical amount of time to set a ship ablaze. It cites an experiment where it took ten minutes for a burning mirror to ignite a stationary wooden object. The listening counters this argument by mentioning pitch - a substance used in boat construction that catches fire rapidly. It suggests that once ignited by a burning mirror within seconds, pitch would quickly spread fire throughout the ship regardless of its movement.

Lastly, the reading posits that there was no need for Greeks to develop a burning mirror as they already had flaming arrows as an effective weapon. However, the listening refutes this notion by stating that Romans were familiar with flaming arrows and prepared to extinguish any fires they caused. In contrast, burning mirrors would have been an unfamiliar and stealthier weapon capable of starting fires in less noticeable locations on ships, making them more effective than flaming arrows.

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