TOEFL Speaking Task 4 Sample: Number four. In this question, you will listen to a short lecture. You will then be asked to summarize important information from the lecture.

1.子项得分

• 交付 (Delivery): 3

• 语言使用 (Language Use): 3

• 主题发展 (Topic Development): 3

2.预估分数

• 总分: 23

3.表达 回答中的发音大部分清晰，语速适中，但有些地方停顿不太自然。建议在练习时注意提高发音准确性，并在适当的地方停顿。此外，尝试在练习中模仿地道的英语口音，以便更自然地表达。

4.话题发展 回答内容基本上是连贯和组织良好的，但可以进一步改进。建议在描述昆虫适应沙漠环境的方式时，更详细地解释这些适应如何帮助昆虫保持活跃。例如，在提到甲壳类昆虫时，可以详细说明甲壳如何形成空气隔层以防止热量直接传递。此外，在谈到长腿昆虫时，可以解释长腿如何使它们远离炎热的沙子表面。通过提供更多具体的例子和解释，可以使回答更加充实和有说服力。

5.语言使用

Original: In the lecture, the professor introduces two adaptations that the desert insects have developed to stay active during hottest the hottest parts of the day. The first adaptation is certain features which could protect them from solar radiation, which means that some parts of their body could serve as shells to protect the sun reaching them directly. For example, there is a kind of beetle that has odd seizing an outer casing, just like shells, this could protect them from absorbing direct heat from the sun. The second adaptation is that they have developed parts of their body to put themselves more distance from the surface, which is hot after sunset. For example, there is a kind of beetle with long legs, which could elevate themselves and enable them to move through cooler air.

(在原文中，“hottest”应改为“the hottest”，因为这里需要使用定冠词。另外，原文中的“odd seizing”应该是“outer casing”，这是一个发音错误。)

Revised (140 words): In the lecture, the professor discusses two adaptations that desert insects have developed to remain active during the hottest parts of the day. The first adaptation involves specific features that shield them from solar radiation. These features allow certain body parts to serve as protective shells, preventing direct sunlight from reaching them. For instance, a type of beetle has an outer casing similar to a shell, which prevents it from absorbing direct heat from the sun. The second adaptation enables insects to maintain a greater distance from hot surfaces by developing specialized body parts. An example of this is another type of beetle with long legs that allow it to elevate its body and move through cooler air above the hot sand. These adaptations enable desert insects to thrive in their harsh environment by effectively managing heat exposure.

6.思维导图

• Desert Insects Adaptations
  • Solar Radiation Protection
    • Protective shells
      • Example: Beetle with outer casing
  • Distance from Hot Surfaces
    • Specialized body parts
      • Example: Beetle with long legs

7.关键词