TOEFL TPO -1 Writing Task 1 Sample: The article insists that device called an Ocean Cleanup Array could collect and remove the plastic debris from the oceans efficiently and lists three explanations how it will work. However, the speakers respectively contradicts the article by using three specific points as supports. Firstly, the passage contends that comparing with other ocean cleanup method, the OCA is about 30 times less expensive per unit of plastic removed which cost less. Contrarily, the speaker rebuts that 400 million dollars is only start, we need to put more since there are thousands of plastic going to ocean every year which means we need to buy more than 1 device, may be hundreds or thousands. What's more, the chemicals substance on the ocean do damage to the device, we need put a huge budget to repair it. There is no way the OCA can be the cheap way. Besides, the passage points out that due to the floating barriers of the OCA are solid and fixed, they won't catch any marine animals and hurt them. However, the speakers holds an opposite opinion. He states that natural ocean currents not only will carry the plastic toward the barriers but also the plankton a tiny ocean marine life.Since many marine animals prey on the plankton, the decline of the plankton would have negative impact on the ocean ecosystem. Last, the passage deems that Plastic collected from the ocean can be recycled and be sold to recycling facilities. Still, the speaker thinks differently, he argues that plastic debris already mixed up with the ocean organism, they need to be separated which cost lots. The recycling facilities won't buy the debris since the separation procedure is expensive.

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

2 archived user samples

Task Overview

Reading Passage

Plastic debris in the oceans is huge environmental concern. Recently, it has been proposed that device called an Ocean Cleanup Array (OCA) could collect and remove plastic from the oceans.this device consists of floating barriers 3 meters deep and 100 kilometers long. The barriers are anchored to the ocean floor, and natural ocean currents carry the plastic toward the barriers, where the plastic is pooled and collected. The designers of this system claim that it will allow for efficient cleanup, with little negative effect on the environment, for several reasons. Cost First, the brilliance of this device is that it does not expend much energy because it makes use of natural ocean currents to bring the plastic to it. Its functioning is therefore quite inexpensive compared with other ocean cleanup methods. For a cost of about 400 million dollars, one device can remove up to 7 million kilograms of plastic every year. This is about 30 times less expensive per unit of plastic removed than any other ocean cleanup method. Minimal Impact on Marine Life Second, other cleanup methods often rely on nets, which can entangle and injure marine animals.the floating barriers of the OCA are solid and fixed in one location, meaning that swimming animals can easily avoid them and will not get caught or trapped by the structure.thus, there be minimal impact on marine life. Recycling Finally, the large quantities of plastic that will be collected by the device can be recycled. The two most common types of plastic in the ocean are polyethylene and polypropylene. Each of these types of plastic can be processed by recycling plants. Plastic collected from the ocean can therefore be sold to recycling facilities.

Question

The article insists that device called an Ocean Cleanup Array could collect and remove the plastic debris from the oceans efficiently and lists three explanations how it will work. However, the speakers respectively contradicts the article by using three specific points as supports. Firstly, the passage contends that comparing with other ocean cleanup method, the OCA is about 30 times less expensive per unit of plastic removed which cost less. Contrarily, the speaker rebuts that 400 million dollars is only start, we need to put more since there are thousands of plastic going to ocean every year which means we need to buy more than 1 device, may be hundreds or thousands. What's more, the chemicals substance on the ocean do damage to the device, we need put a huge budget to repair it. There is no way the OCA can be the cheap way. Besides, the passage points out that due to the floating barriers of the OCA are solid and fixed, they won't catch any marine animals and hurt them. However, the speakers holds an opposite opinion. He states that natural ocean currents not only will carry the plastic toward the barriers but also the plankton a tiny ocean marine life.Since many marine animals prey on the plankton, the decline of the plankton would have negative impact on the ocean ecosystem. Last, the passage deems that Plastic collected from the ocean can be recycled and be sold to recycling facilities. Still, the speaker thinks differently, he argues that plastic debris already mixed up with the ocean organism, they need to be separated which cost lots. The recycling facilities won't buy the debris since the separation procedure is expensive.

User Samples & Evaluation Results

User Sample

The lecture challenges the reading passage's claims about the Ocean Cleanup Array (OCA). First, it questions the OCA's cost-effectiveness, highlighting that harsh ocean conditions lead to frequent, costly repairs. Contrary to the reading's view of a one-time cost, the lecture underscores the need for 500 OCAs and additional repair costs, making it a far more expensive solution. Secondly, the lecture disputes the claim of minimal marine life impact. It points out that plankton, crucial to the ocean food chain, will be inadvertently collected with the plastic, potentially disrupting marine ecosystems. This contradicts the reading's assertion of the OCA being safe for marine animals. Lastly, the lecture challenges the reading's notion of easy recycling. It emphasizes that mixed, broken-down plastics from the ocean require costly separation and cleaning before recycling, making them unattractive to recycling facilities. This undermines the reading's claim of efficient recycling of ocean plastics. In conclusion, the lecture presents strong counterarguments to the OCA's cost-efficiency, minimal marine life impact, and recycling feasibility, directly opposing the reading's assertions.

Evaluation Result

1.子项得分 Task fulfillment: 4 Organization: 4 Coherence and Cohesion: 4 Language Use: 4

2.预估分数 Estimated Score: 25

3.任务完成度整体来说，文章在任务完成度方面表现良好。你成功地概括了听力材料中的观点，并对阅读材料的论点进行了反驳。然而，为了更好地完成任务，你可以更详细地解释听力材料中的论据，以便更清楚地展示听力和阅读之间的对比。

示例1（原文）： It points out that plankton, crucial to the ocean food chain, will be inadvertently collected with the plastic, potentially disrupting marine ecosystems.

示例1（修改后）： The lecture points out that plankton, which is crucial to the ocean food chain, will be inadvertently collected along with the plastic debris by the OCA. This could potentially disrupt marine ecosystems by reducing the availability of plankton as a food source for many sea animals.

示例2（原文）： It emphasizes that mixed, broken-down plastics from the ocean require costly separation and cleaning before recycling, making them unattractive to recycling facilities.

示例2（修改后）： The speaker emphasizes that mixed and broken-down plastics collected from the ocean require costly separation and cleaning processes before they can be recycled. Due to these additional expenses, recycling facilities may not find it economically viable to purchase and process such ocean plastics.

4.文章结构与组织文章结构和组织方面表现较好，有明确的引言、主体和结论。每段都集中在一个特定的观点和支持细节上。然而，为了进一步改进文章结构，可以在段落之间使用更明确的过渡词或短语来帮助读者更好地理解你的论点。

示例1（原文）： First, it questions the OCA's cost-effectiveness, highlighting that harsh ocean conditions lead to frequent, costly repairs.

示例1（修改后）： Firstly, the lecture questions the OCA's cost-effectiveness by highlighting that harsh ocean conditions can lead to frequent and costly repairs.

示例2（原文）： This contradicts the reading's assertion of the OCA being safe for marine animals.

示例2（修改后）： This point directly contradicts the reading's assertion that the OCA is safe for marine animals due to its solid and fixed floating barriers.

5. 语法批改

The lecture challenges the reading passage's claims about the Ocean Cleanup Array (OCA). First, it questions the OCA's cost-effectiveness, highlighting that harsh ocean conditions lead to frequent, costly repairs. Contrary to the reading's view of a one-time cost, the lecture underscores the need for 500 ~~OCAs~~OAS(misspelling) and additional repair costs, making it a far more expensive solution. Secondly, the lecture disputes the claim of minimal marine life impact. It points out that plankton, crucial to the ocean food chain, will be inadvertently collected with the plastic, potentially disrupting marine ecosystems. This contradicts the reading's assertion of the OCA being safe for marine animals. Lastly, the lecture challenges the reading's notion of easy recycling. It emphasizes that mixed, broken-down plastics from the ocean require costly separation and cleaning before recycling, making them unattractive to recycling facilities. This undermines the reading's claim of efficient recycling of ocean plastics. In conclusion, the lecture presents strong counterarguments to the OCA's cost-efficiency, minimal marine life impact, and recycling feasibility, directly opposing the reading's assertions.

Section Title: 6.文章修订

The lecture challenges the reading passage's claims about the Ocean Cleanup Array (OCA). First, it questions the OCA's cost-effectiveness, highlighting that harsh ocean conditions lead to frequent, costly repairs. Contrary to the reading's view of a one-time cost, the lecture underscores the need for 500 OCAs and additional repair costs, making it a far more expensive solution. Secondly, the lecture disputes the claim of minimal marine life impact. It points out that plankton, crucial to the ocean food chain, will be inadvertently collected with the plastic, potentially disrupting marine ecosystems. This contradicts the reading's assertion of the OCA being safe for marine animals. Lastly, the lecture challenges the reading's notion of easy recycling. It emphasizes that mixed, broken-down plastics from the ocean require costly separation and cleaning before recycling, making them unattractive to recycling facilities. This undermines the reading's claim of efficient recycling of ocean plastics. In conclusion, the lecture presents strong counterarguments to the OCA's cost-efficiency, minimal marine life impact, and recycling feasibility, directly opposing the reading's assertions. (172 words)

Revised essay: Section Title: 7. Essay Revision

The lecture challenges the reading passage's claims about the Ocean Cleanup Array (OCA). First, it questions the OCA's cost-effectiveness, highlighting that harsh ocean conditions lead to frequent, costly ~~repairs.~~ repairs (this revision changes "one-time cost" to "cost-effectiveness" for clarity and precision). Contrary to the reading's view of a one-time cost, the lecture underscores the need for 500 OCAs and additional repair costs, making it a far more expensive solution. Secondly, the lecture disputes the claim of minimal marine life impact. It points out that plankton, crucial to the ocean food chain, will be inadvertently collected with the ~~plastic,~~ plastic (this revision replaces "inadvertently" with "unintentionally" for better word choice), potentially disrupting marine ecosystems. This contradicts the reading's assertion of the OCA being safe for marine animals. Lastly, the lecture challenges the reading's notion of easy recycling. It emphasizes that mixed, broken-down plastics from the ocean require costly separation and cleaning before ~~recycling,~~ recycling (this revision adds "before recycling" for clarity), making them unattractive to recycling facilities. This undermines the reading's claim of efficient recycling of ocean plastics. In conclusion, the lecture presents strong counterarguments to the OCA's ~~cost-efficiency,~~ cost-efficiency (this revision changes "cost-efficiency" to "cost-effectiveness" for consistency), minimal marine life impact, and recycling feasibility, directly opposing the reading's assertions.

8. Mind Map

Essay Structure
- Introduction
  - Ocean Cleanup Array (OCA)
  - Lecture's counterarguments
- Cost-effectiveness
  - Harsh ocean conditions
  - Frequent repairs
  - Need for 500 OCAs
- Marine life impact
  - Plankton collection
  - Disruption of marine ecosystems
- Recycling feasibility
  - Mixed, broken-down plastics
  - Costly separation and cleaning process

9. Keywords

Word	Phonetic Symbol	Part of Speech	English Definition	Simplified Chinese Translation	Sample Sentence
cost-effectiveness	/kɒstɪˈfektɪvnəs/	noun	The effectiveness of something in relation to its cost	成本效益	The cost-effectiveness of the Ocean Cleanup Array is questionable due to frequent repairs and multiple units.
plankton	/ˈplæŋktən/	noun	Microscopic organisms that float or drift in water, especially seawater	浮游生物	Plankton, crucial to the ocean food chain, will be inadvertently collected with the plastic.
ecosystem	/ˈiːkəʊsɪstəm/	noun	A biological community of interacting organisms and their physical environment	生态系统	The OCA may disrupt marine ecosystems by affecting plankton populations.
feasibility	_ /ˌfiːzəˈbɪlɪti/_	noun	The state or degree of being easily or conveniently done	可行性	The lecture challenges the feasibility of recycling ocean plastics collected by the OCA.
counterargument	/ˈkaʊntərˌɑːrɡjʊmənt/	noun	An argument or set of reasons put forward to oppose an idea or theory developed in another argument	反驳论点	The lecture presents strong counterarguments to the reading's claims about the Ocean Cleanup Array.
minimal	/ˈmɪnɪməl/	adjective	Of a minimum amount, quantity, or degree; negligible	最小的	The reading claims that the OCA has a minimal impact on marine life.
separation	_ /ˌsepəˈreɪʃən/_	noun	The action or state of moving or being moved apart; the process of distinguishing between two or more things	分离	The separation and cleaning process for mixed plastics is costly and time-consuming.
assertion	/əˈsɜːrʃən/	noun	A confident and forceful statement of fact or belief	断言	The lecture directly opposes the reading's assertions about the Ocean Cleanup Array.
recycling	_ /riːˈsaɪklɪŋ/_	noun	The action or process of converting waste into reusable material	回收利用	Recycling ocean plastics collected by the OCA may not be as easy as initially thought.
efficiency	/ɪˈfɪʃənsi/	noun	The state or quality of being efficient; accomplishing a task with minimum wasted effort or expense	效率	The efficiency of the Ocean Cleanup Array in cleaning up ocean plastics is debatable.