TOEFL TPO 50 Writing Task 1 Sample: Summarize the points made in the lecture, being sure to explain how they respond to the specific concerns presented in the reading passage.
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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
Scientists are considering the possibility of sending humans to Mars in the coming decades. Although there have been successful manned missions to the Moon in the 1960s and 1970s, Mars is 150 times further away from Earth than the Moon is. Thus the project of sending humans to Mars would require solving an array of problems the Moon missions did not have to face.One problem is that a round-trip to Mars and back is likely to take at least two years. The trip to the Moon lasted only a few days, and it was easy to bring enough supplies of food, water, and oxygen; but the cargo capacity of space vehicles is too limited to put on board the food, water, and oxygen required by a crew for a period of two years. Without those essentials, though, a Mars mission is impossible.A second problem is that astronauts on the Mars mission would be in the zero-gravity environment of space for many months at a time. Spending a long time in the zero-gravity environment has negative effects on the human body, such as decreased muscle mass and lower bone density. Over the course of a two-year mission, the effects would be so severe, they would make it impossible for humans to make the trip without experiencing grave medical problems.Finally, astronauts on a mission to Mars would be exposed to dangerous levels of space radiation, much of which comes in the form of charged particles emitted by the Sun. Earth’s magnetic field, which normally protects us from dangerous solar radiation, would not be able to protect a spaceship traveling in interplanetary space. Constructing a shield that would protect the whole spaceship from space radiation is at present impossible because it would add too much weight to the ship.
Question
Summarize the points made in the lecture, being sure to explain how they respond to the specific concerns presented in the reading passage.
User Samples & Evaluation Results
User Sample
Sending human to the Mars is both an exciting and chanllenging thing to do. The reading passage provides several problems scientists have to deal with before such session is carried out. The first concerning problem is that it would take a long trip to Mars, which would demand abundant food, water and air supplies. These supplies need a huge capacity of the spacecraft that is impossible to build with present technologies. The professor repudiates this argument by pointing out that there are many techniques to realize the recycle on the spacecraft. For example, astronauts may use water to cultivate the food they need, and this technology enables the spacecraft to recycle the contaminated water, putting it into reuse. And the growth of these plants can absorb carbon dioxide, then produce oxygen the astronauts subsist on. The second concern for the reading passage is that a long stay in zero-gravity environment is detrimental to the astronauts' health, causing muscle mass reduction and bone density decrease. The professor rejects such idea by inciting the achievements of space travel that people have realized. She points out that there are plenty of means the astronauts utilize to maintain their health presently, taking regular excercises and nutrition supplementation for examples. These methods were already conducted on space travels multiple times, producing many feasible and scientific experiences for future missions. Another factor the passage relies on is that there is deleterious solar radiation in the space, and it is difficult for the spaceships to carry a completely functioning shield. The professor thinks that the passage neglects the fact that harmful solar radiation is not a common phenomenon. She holds the view that this problem can be economically coped with by attaching monitoring devices and installing a smaller shield on a certain part of the spacecraft. By realizing such installment, astronauts can work in the place without the shield when there is no deletrious radiation and get protected in the shielded area when such radiation is observed.
Evaluation Result
1.子项得分 任务完成度: 4 组织: 4 连贯性和衔接: 4 语言使用: 3
2.预估分数
25. 3.任务完成度
总体来说,文章较好地完成了任务要求,概述了听力材料中的观点,并解释了它们如何回应阅读材料中提出的具体问题。然而,为了更好地完成任务,建议在文章中对听力材料的观点进行更详细的解释。例如,在描述太空船上水培技术的部分,可以更详细地解释这种技术如何帮助解决食物、水和氧气供应问题。
示例1:改进后的句子:“For example, astronauts may use hydroponics to cultivate the food they need, which requires relatively little space and can recycle wastewater for reuse.” 示例2:改进后的句子:“These methods, such as regular exercise and taking vitamins and minerals like calcium, have been successfully implemented in previous space missions and can help maintain astronauts' health during the long journey to Mars.”
4.文章结构与组织 文章结构清晰,包括引言、正文和结论。每个段落都集中讨论一个具体观点,并提供支持细节。然而,在段落之间添加一些过渡词或短语可以使文章更连贯。此外,在引言部分简要介绍听力材料的主题和目的,以及在结论部分总结文章的主要观点,可以使文章更加完整。
建议1:在段落之间添加过渡词或短语,如“首先”、“其次”和“最后”。 建议2:在引言部分简要介绍听力材料的主题和目的,例如:“In the lecture, the professor discusses potential solutions to the challenges mentioned in the reading passage regarding a manned mission to Mars.”
示例1:改进后的句子:“Firstly, the professor repudiates this argument by pointing out that there are many techniques to realize recycling on the spacecraft.” 示例2:改进后的句子:“In conclusion, the lecture provides feasible solutions to address the concerns raised in the reading passage about sending humans to Mars, demonstrating that such a mission is possible with current technology and knowledge.”
5. 语法批改
Sending humana human(This rule identifies whether the article 'a' is missing in a sentence.) to the Mars is both an exciting and chanllengingchallenging(misspelling) thing to do. The reading passage provides several problems scientists have to deal with before such session is carried out. The first concerning problem is that it would take a long trip to Mars, which would demand abundant food, water and air supplies. These supplies need a huge capacity of the spacecraft that is impossible to build with present technologies. The professor repudiates this argument by pointing out that there are many techniques to realize the recycle on the spacecraft. For example, astronauts may use water to cultivate the food they need, and this technology enables the spacecraft to recycle the contaminated water, putting it into reuse. And the growth of these plants can absorb carbon dioxide, then produce oxygen the astronauts subsist on. The second concern for the reading passage is that a long stay in zero-gravity environment is detrimental to the astronauts' health, causing muscle mass reduction and bone density decrease. The professor rejects such idea by inciting the achievements of space travel that people have realized. She points out that there are plenty of means the astronauts utilize to maintain their health presently, taking regular excercisesexercises(misspelling) and nutrition supplementation for examples. These methods were already conducted on space travels multiple times, producing many feasible and scientific experiences for future missions. Another factor the passage relies on is that there is deleterious solar radiation in the space, and it is difficult for the spaceships to carry a completely functioning shield. The professor thinks that the passage neglects the fact that harmful solar radiation is not a common phenomenon. She holds the view that this problem can be economically coped with by attaching monitoring devices and installing a smaller shield on a certain part of the spacecraft. By realizing such installment, astronauts can work in the place without the shield when there is no deletriousdeleterious(misspelling) radiation and get protected in the shielded area when such radiation is observed.
Section Title: 6.文章修订
Sending humans to Mars is both an exciting and challenging endeavor. The reading passage highlights several problems that scientists must address before such a mission can be carried out. The first concern is the long trip to Mars, which would require abundant food, water, and air supplies. These supplies necessitate a large capacity for the spacecraft, which is currently impossible to achieve with existing technologies. However, the professor refutes this argument by pointing out that there are many techniques to facilitate recycling on the spacecraft. For instance, astronauts could use hydroponics to cultivate the food they need, enabling the spacecraft to recycle contaminated water and put it back into use. Additionally, the growth of these plants can absorb carbon dioxide and produce oxygen for the astronauts to breathe.
The second concern raised in the reading passage is that a prolonged stay in a zero-gravity environment could be detrimental to astronauts' health, causing muscle mass reduction and bone density decrease. The professor disputes this idea by citing achievements in space travel that have already been realized. She points out that there are numerous methods astronauts currently employ to maintain their health, such as regular exercise and nutritional supplementation. These methods have been successfully implemented during multiple space missions, providing valuable experience for future endeavors.
Lastly, the passage argues that harmful solar radiation in space poses a significant threat, and it would be difficult for spaceships to carry a fully functional shield. The professor contends that this issue can be economically addressed by installing monitoring devices and a smaller shield on specific parts of the spacecraft. This approach allows astronauts to work in unshielded areas when there is no harmful radiation present while offering protection in shielded areas when dangerous radiation levels are detected. (295 words)
Revised essay: Sending human to the humans to Mars is both an exciting and chanllenging thing to do. challenging endeavor (changed "thing to do" to "endeavor" for a more formal tone). The reading passage provides highlights several problems that scientists have to deal with must address before such session is a mission (changed "session" to "mission" for clarity) can be carried out. The first concerning problem is that it would take a concern is the long trip to Mars, which would demand require abundant food, water water, and air supplies. These supplies need a huge necessitate a large capacity of the spacecraft that is for the spacecraft, which is currently impossible to build achieve with present existing technologies. The However, the professor repudiates refutes this argument by pointing out that there are many techniques to realize the recycle facilitate recycling on the spacecraft. For example, instance, astronauts may could use water hydroponics (added "hydroponics" for specificity) to cultivate the food they need, and this technology enables enabling the spacecraft to recycle the contaminated water, putting water and put it back into reuse. And use. Additionally, the growth of these plants can absorb carbon dioxide, then dioxide and produce oxygen for the astronauts subsist on. to breathe.
The second concern for raised in the reading passage is that a long prolonged stay in a zero-gravity environment is could be detrimental to the astronauts' health, causing muscle mass reduction and bone density decrease. The professor rejects such disputes this idea by inciting the citing achievements of in space travel that people have already been realized. She points out that there are plenty of means the numerous methods astronauts utilize currently employ (changed "utilize" to "employ" for variety) to maintain their health presently, taking health, such as regular excercises and nutrition supplementation for examples. exercise and nutritional supplementation. These methods were already conducted on have been successfully implemented during multiple space travels multiple times, producing many feasible and scientific experiences missions, providing valuable experience for future missions. Another factor endeavors.
Lastly, the passage relies on is that there is deleterious solar radiation in the space, and it is difficult for the spaceships to carry a completely functioning shield. The professor thinks that the passage neglects the fact argues that harmful solar radiation is not a common phenomenon. She holds the view in space poses a significant threat, and it would be difficult for spaceships to carry a fully functional shield. The professor contends that this problem issue can be economically coped with addressed by attaching installing monitoring devices and installing a smaller shield on a certain part specific parts of the spacecraft. By realizing such installment, This approach allows astronauts can to work in the place without the shield unshielded areas when there is no deletrious harmful radiation and get protected in the present while offering protection in shielded area areas when such dangerous radiation is observed.levels are detected.
8. Mind Map
1. Introduction
- Exciting and challenging endeavor
- Problems to address
2. Long trip to Mars
- Abundant supplies needed
- Large capacity spacecraft
- Professor's counterargument: recycling techniques
* Hydroponics for food cultivation
* Water recycling
* Plants for oxygen production
3. Zero-gravity environment effects on health
- Muscle mass reduction and bone density decrease
- Professor's counterargument: current methods for maintaining health in space
* Regular exercise
* Nutritional supplementation
4. Harmful solar radiation
- Difficulty carrying a fully functional shield
- Professor's counterargument: economical solution with monitoring devices and smaller shield
* Work in unshielded areas when safe
* Protection in shielded areas when needed
5. Conclusion
9. Keywords
| Word | Phonetic Symbol | Part of Speech | English Definition | Simplified Chinese Translation | Sample Sentence |
|---|---|---|---|---|---|
| endeavor | /ɪnˈdɛvər/ | noun | A serious attempt or effort | 努力 | Sending humans to Mars is an exciting and challenging endeavor. |
| hydroponics | /ˌhaɪdrəˈpɒnɪks/ | noun | The method of growing plants without soil, using mineral nutrients in water solution instead. | 水培法 | Astronauts could use hydroponics to cultivate the food they need during the long trip to Mars. |
| nutritional supplementation | /njuːˌtrɪʃənl ˌsʌplɪmənˈteɪʃən/ | noun | The use of additional vitamins, minerals, and other nutrients to support health. | 营养补充品 | Astronauts can maintain their health in space by using nutritional supplementation. |
| solar radiation | /ˈsoʊlər ˌreɪdiˈeɪʃən/ | noun | Radiation from the sun, including visible light, ultraviolet light, and other forms of electromagnetic radiation. | 太阳辐射 | Harmful solar radiation poses a significant threat to astronauts during space missions. |
| shield | /ʃild/ | noun | A protective covering or barrier | 屏障 | The spacecraft could be equipped with a smaller shield to protect astronauts from harmful solar radiation. |
| monitoring devices | /ˈmɒnɪtərɪŋ dɪˈvaɪsɪz/ | noun | Instruments used to observe and record specific conditions or situations. | 监测设备 | Installing monitoring devices on the spacecraft can help detect dangerous radiation levels in space. |
| unshielded | /ʌnˈʃi:ldid/ | adjective | Not protected by a shield or barrier | 无屏蔽的 | Astronauts can work in unshielded areas when there is no harmful radiation present. |
| detrimental | /detrimental/ | adjective | Causing harm or damage | 有害的 | A prolonged stay in a zero-gravity environment could be detrimental to astronauts' health. |
| achievements | /əˈtʃivmənts/ | noun | A thing done successfully, typically by effort, courage, or skill | 成就 | The professor cites achievements in space travel to support her arguments. |
| capacity | /kəˈpæsɪti/ | noun | The maximum amount that something can contain | 容量 | The spacecraft needs a large capacity to carry the necessary supplies for the trip to Mars. |
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