TOEFL Speaking Task 4 Sample: Summarize the lecture about covering. Be sure to include the examples of sea urchins.

1.子项得分

• 交付 (Delivery): 3

• 语言使用 (Language Use): 3

• 话题发展 (Topic Development): 3

2.预估分数

• 总分: 23

3.表达 从交付方面来看，发言者的语音清晰，语速基本一致，仅有少量停顿。但在某些地方，发言者可能需要注意正确的发音和语调。建议多加练习，提高发音准确度和自然度。

4.话题发展 从话题发展方面来看，发言者对讲座内容进行了概括，并提到了海胆的例子。但在表述时，部分句子结构略显混乱，导致表达不够流畅。建议在组织回答时注意句子结构的准确性和连贯性，以便更清晰地传达信息。

5.语言使用

原文：use a strategy called cowering to protect themselves. Animals use a strategy called covering to protect themselves. (将 "cowering" 改为 "covering"，因为原文中讲的是 "covering"。)

And the lecture introduced two functions of these strategies. The lecture introduced two functions of this strategy. (将 "these strategies" 改为 "this strategy"，因为只讨论了一种策略。)

The first is that the cowering could help animals avoid damage from the sunlight. The first function is that covering could help animals avoid damage from sunlight. (将 "cowering" 改为 "covering"，并将 "the sunlight" 改为 "sunlight"。)

The UA radiation from the sun can cause damage to some ocean animals and influence their ability of reproduce. UV radiation from the sun can cause damage to some ocean animals and affect their ability to reproduce. (将 "UA radiation" 改为 "UV radiation"，并将 "influence their ability of reproduce" 改为 "affect their ability to reproduce"。)

So, for example, a type of sea urchin, when facing some strong light, could use tiny rocks to cower themselves. For example, a type of sea urchin, when exposed to strong light, could use tiny rocks to cover themselves. (将 "facing some strong light" 改为 "exposed to strong light"，并将 "cower themselves" 改为 "cover themselves"。)

And the other function is that they could keep the animals safe from the predator. The other function is that it could keep the animals safe from predators. (将 "they" 改为 "it"，并将 "the predator" 改为 "predators"。)

It can cause a physical barrier, give them a chance to flee. It can create a physical barrier, giving them a chance to flee. (将 "cause" 改为 "create"，并将 "give them a chance to flee" 改为 "giving them a chance to flee"。)

For instance, another type of urchins use surveys. For instance, another type of sea urchins uses seaweed. (将 "urchins use surveys" 改为 "sea urchins uses seaweed"。)

They cower themselves with surveys and allowing them to escape when facing They cover themselves with seaweed, allowing them to escape when facing danger. (将 "cower themselves with surveys and allowing them to escape when facing" 改为 "cover themselves with seaweed, allowing them to escape when facing danger"。)

修订版（140词）：

Animals use a strategy called covering to protect themselves. The lecture introduced two functions of this strategy. The first function is that covering could help animals avoid damage from sunlight. UV radiation from the sun can cause damage to some ocean animals and affect their ability to reproduce. For example, a type of sea urchin, when exposed to strong light, could use tiny rocks to cover themselves. The other function is that it could keep the animals safe from predators. It can create a physical barrier, giving them a chance to flee. For instance, another type of sea urchins uses seaweed. They cover themselves with seaweed, allowing them to escape when facing danger.

6.思维导图

Covering Strategy
├── Function 1: Sunlight Protection
│   ├── UV Radiation
│   └── Example: Sea Urchin (tiny rocks)
└── Function 2: Predator Protection
    ├── Physical Barrier
    └── Example: Sea Urchin (seaweed)

7.关键词