TOEFL TPO -1 Speaking Task 4 Sample: Using the professor's examples of the catfish and the trout, explain how fish overcome two challenges of living in fast-moving rivers.

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，这位同学的回答基本上是清晰的，语速适中，偶尔有些停顿。但在某些地方，例如“cheetahs”一词应为“trout”，可能会导致听者产生误解。建议在发音方面加强练习，以提高准确度。

4.话题发展 从话题发展的角度来看，这位同学的回答基本上是连贯和有条理的，观点之间的联系也比较清晰。然而，在描述鳟鱼如何捕食的过程时，可以更详细地说明鳟鱼在河边较慢水流处捕食的策略。建议在组织回答时尝试更深入地探讨例子，以便更充分地支持观点。

5.语言使用

原文：The professor is talking about what challenge the fishes face and how they overcome this challenge. The professor discusses the challenges faced by fish in fast-moving rivers and how they adapt to overcome them. (用更自然的表达方式描述教授讨论的问题)
First is that they are caught in one part of the river. The first challenge is staying in one part of the river without being swept downstream. (更清晰地描述第一个挑战)
To overcome them, they will have some physical adaptation. To overcome this, some fish have developed physical adaptations. (改进句子结构和语法)
For example, the catfish will have fins in their body to help them swim. For example, catfish have large, muscular fins that help them swim against the current. (提供更详细的描述)
The catfish will have very big and muscular fish which can hold their position. (删除重复信息)
The second challenge is that it's hard for them to get enough food. The second challenge is obtaining enough food in fast currents. (更准确地描述第二个挑战)
The current hits the food in the river for the fish and it's hard for them to capture it. The fast current carries food particles, making it difficult for fish to capture them. (改进句子结构和语法)
So the cheetahs will move to the back of the river where the current moves very slowly so it's easy to catch them and have enough food. Thus, trout stay near the riverbanks where the current is slower, allowing them to capture enough food particles to survive. (纠正单词错误并改进句子结构)

Revised Answer (140 words):

The professor discusses the challenges faced by fish in fast-moving rivers and how they adapt to overcome them. The first challenge is staying in one part of the river without being swept downstream. To overcome this, some fish have developed physical adaptations. For example, catfish have large, muscular fins that help them swim against the current. The second challenge is obtaining enough food in fast currents. The fast current carries food particles, making it difficult for fish to capture them. Thus, trout stay near the riverbanks where the current is slower, allowing them to capture enough food particles to survive.

6.思维导图

- Challenges
  - Fast-moving rivers
    - Staying in one part
      - Physical adaptations
        - Example: Catfish
          - Large, muscular fins
    - Obtaining enough food
      - Behaviors
        - Example: Trout
          - Staying near riverbanks
            - Slower current

7.关键词