TOEFL Speaking Task 4 Sample: Using examples from the lecture, explain two ways in which roosting is important for the survival of bats.

1.子项得分

• 交付：3

• 语言使用：3

• 话题发展：3

2.预估分数

• 总分：23

3.表达 从交付方面来看，这位考生的发言相对清晰，语速适中，但偶尔会有停顿。建议考生在练习时注意保持连贯性，尽量减少不必要的停顿。同时，注意发音的准确性，以避免拼写错误。

4.话题发展 从话题发展方面来看，考生的回答内容基本上是连贯和有条理的，但在论述过程中可以更加明确地表达出两个方面的重要性。例如，在谈到捕食昆虫时，可以强调这是蝙蝠获取能量和生存所必需的；在谈到防御掠食者时，可以指出这是蝙蝠保护自己免受伤害的关键方式。此外，在举例子时尽量使用听力材料中提到的例子，如洞穴、树枝等。

5.语言使用

原文：Roosting is very essential for bats to survive in two aspects. Roosting is crucial for bats' survival in two ways. (用crucial替换very essential，用ways替换aspects，使句子更自然) One aspect is that bats can be helped by providing more food. Firstly, roosting enables bats to access more food. (修改句子结构，使表达更清晰) For example, those bats can eat insects just by taking off from the branches. Unlike birds, bats cannot take off just from the ground. They just hang out in the air. It's easier for them to catch their food, which is insects. The second thing is that a roost helps bats from those dangers or predators. Secondly, roosting protects bats from dangers and predators. (简化句子结构，使表达更准确) Some predators, like snakes, cannot easily approach bats because they roost in high air. So that's how it is very important for survival of bats.

修订版（140词）：

Roosting is crucial for bats' survival in two ways. Firstly, roosting enables bats to access more food by allowing them to take off easily from their perches and catch insects in mid-air. Unlike birds, which can take off from the ground, bats need to hang upside down from high locations, such as tree branches or cave ceilings, to launch themselves into flight. This unique roosting behavior makes it easier for bats to catch their prey and ensures a steady food supply. Secondly, roosting protects bats from dangers and predators, such as snakes and cats. By hanging upside down in high places, bats are less accessible to these predators, allowing them to rest and sleep safely. In conclusion, roosting is essential for bats' survival as it helps them access food more easily and provides protection from potential threats.

6.思维导图

Roosting in Bats
├── Importance for Survival
│   ├── Access to Food
│   │   ├── Taking off from perches
│   │   ├── Catching insects in mid-air
│   │   └── Unique roosting behavior
│   └── Protection from Predators
│       ├── Snakes and cats
│       ├── Hanging upside down in high places
│       └── Safe resting and sleeping
└── Conclusion
    └── Essential for bats' survival

7.关键词