TOEFL TPO -1 Speaking Task 3 Sample: Using the example of the creosote plant from the lecture, explain how root communication helps desert plants to survive.

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

2.预估分数 Estimated Score: 23

3.表达 从发音和语速方面来看，这位考生的表达相对清晰，但仍有改进的空间。建议考生在练习口语时注意以下几点：1) 加强发音练习，特别是在单词的重音部分；2) 在句子之间适当停顿，以便让听者更好地理解内容；3) 保持语速稳定，避免过快或过慢。通过以上方法，考生可以提高口语表达能力。

4.话题发展 The speaker provided a coherent and well-organized response, explaining how root communication helps desert plants to survive using the example of the creosote plant. However, there is room for improvement in terms of providing more specific details and examples from the lecture. To enhance topic development, the speaker should focus on the following suggestions: 1) Clearly mention that the creosote plant releases a chemical when other plants' roots grow too close; 2) Elaborate on how this chemical stops the growth of other plants' roots towards the creosote plant and redirects their growth away from it; 3) Emphasize the importance of this mechanism in protecting the creosote plant's water supply in a desert environment. By incorporating these points, the speaker can improve their topic development and create a more comprehensive response.

5.语言使用

Original Answer: The author in the passage tells us a way that communicating plants can be able to protect water supply, and in the lecture, the professor used an example to explain how root communication helps desert plants to survive. A plant which lives in the desert called chiasso plants, they can release a kind of chemical material, and that material tells other plants, this is my place and this is my water. In this way, the plant will stop growing in the same direction instead of, they will grow in another direction. So that is the way how root communication helps desert plants to survive.

Corrected Answer: The passage discusses a method by which plants communicate to protect their water supply. In the lecture, the professor provides an example to illustrate how root communication aids desert plants' survival. A desert plant called creosote releases a specific chemical substance that signals other plants that this is its territory and water source. Consequently, other plants cease growing in that direction and instead grow away from the creosote plant. This mechanism demonstrates how root communication assists desert plants in surviving. (将句子结构进行了调整，使其更自然流畅；修正了单词拼写错误；增加了一些高级词汇；改进了过渡和结论部分。)

Revised Answer (140 words):

The passage introduces a method by which plants communicate with each other to protect their water supply, particularly in desert environments where water is scarce. The lecture further elaborates on this concept by providing an example of a desert plant called creosote. This plant has developed a unique survival mechanism through root communication. When other plants' roots grow too close to the creosote plant, it releases a specific chemical substance that signals to the encroaching plants that they are invading its territory and water source. As a result, these other plants cease growing in that direction and instead redirect their growth away from the creosote plant. This effective root communication mechanism allows the creosote plant to maintain an adequate water supply and demonstrates how such communication strategies can significantly enhance the survival chances of desert plants.

6.思维导图

• Introduction

  • Passage: plants communicate to protect water supply
  • Lecture: example of creosote plant

• Creosote Plant

  • Desert environment
  • Root communication mechanism
    • Releases specific chemical substance
    • Signals territory and water source protection

• Consequence

  • Other plants cease growing in that direction
  • Redirect growth away from creosote plant

• Conclusion

  • Effective root communication for survival in desert environments

7.关键词