TOEFL TPO 18 Speaking Task 3 Sample: Using the example of the pronghorn and lion, explain the concept of a relict behavior.

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，整体上讲得比较清楚，但有些地方需要改进。首先，注意保持语速的一致性，避免不必要的停顿。其次，在发音方面需要加强练习，以减少拼写错误。建议多进行口语练习，提高发音准确度。

4.话题发展 从话题发展方面来看，回答内容基本上是连贯和组织良好的，但仍有改进空间。在解释“relict behavior”的概念时，可以更详细地描述这种行为如何随着环境变化而失去原有意义。此外，在使用例子时，可以更明确地说明美洲羚羊如何适应了新的环境条件。总之，尽量提供更多相关信息和例子来支持你的观点。

5.语言使用

Original Answer: Relic behaviors are behaviors that show no clear purpose now, but may have original purpose that has disappeared long ago. Relict behaviors are behaviors that no longer serve a clear purpose, but may have had an original purpose that has since disappeared. (将“relic”改为“relict”，使句子更自然流畅。同时调整句子结构，使其更清晰。) The professor uses one example to illustrate this. The professor provides an example to illustrate this concept. (用“provides”替换“uses”，使句子更自然。) There is an animal called American pronghorn, which lives in an open grassland. They run super fast, and too fast that no predator can even catch up with them. And the reason that they run so fast is that a long time ago, the living condition on this plant was different. A long time ago, the lion was the main predator on the plant, and it was critical for the American pronghorn to run fast to escape from the lion. And the lion were like swift-moving animals, and faster than any other predator today. So although lions are extinct long ago, the pronghorn still exhibit this behavior.

Revised Answer (140 words):

Relict behaviors are behaviors that no longer serve a clear purpose, but may have had an original purpose that has since disappeared. The professor provides an example to illustrate this concept: the American pronghorn. This animal lives in open grasslands and is known for its incredible speed, which is so fast that no current predators can catch up with it. The reason for their speed lies in their past environment, where lions were the main predators. It was crucial for pronghorns to run fast to escape from these swift-moving lions, which were faster than any other predator today. Although lions have been extinct for a long time, pronghorns still exhibit this relict behavior, demonstrating how certain behaviors can persist even after their original purpose has vanished.

6.思维导图

• Relict behaviors

  • No clear purpose
  • Original purpose disappeared

• Example: American pronghorn

  • Open grasslands
  • Incredible speed
  • Past environment: lions as predators
  • Persisting behavior

7.关键词