TOEFL TPO 75 Speaking Task 4 Sample: Using points and 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 回答中的表达基本清晰，但在某些地方可能需要改进。例如，可以尝试减少重复词汇，如“高处”和“攀爬”，以增加词汇的多样性。此外，在某些句子中，可以使用更准确的连接词来使表达更流畅。例如，“当他们准备好时，他们可以松开气息，他们立即在空中捕捉猎物。”可以改为：“当他们准备好时，他们只需松开气息，就能立即在空中捕捉猎物。”总体而言，继续练习发音和语法将有助于提高交付得分。

4.话题发展 回答内容基本上是连贯和有组织的，但仍有改进的空间。首先，在引入两个关键点时，可以使用更明确的连接词来突出这两个要点。例如：“蝙蝠通常倒挂而栖息，这对它们的生存有两个好处。”其次，在解释每个要点时，可以提供更多具体的例子或详细信息以支持论点。例如，在解释蝙蝠如何从高处开始飞行时，可以提到它们是如何利用倒挂的姿势来更容易地释放抓地力并进入空中。总之，通过提供更多具体细节和使用更明确的连接词，可以使话题发展得分更高。

5.语言使用

Original Answer: Bats usually roost by hanging upside down, and there are two ways that it benefits them for their survival. First, it helps them to take off, because bats cannot take off from the ground, so they must climb to high places. When they are ready, they can release their breath, and they are immediately in the air to catch their preys. Second, they can hide from danger, because when bats are sleeping, they cannot defend while sleeping, so they are easily attacked by their predators. So in order to prevent this, bats will climb to high places and roost there, so their predators like snakes or other animals cannot reach them.

Corrected Answer: Bats usually roost rest by hanging upside down, and there are two ways that it benefits them for their survival. First, it helps them to take off, because bats cannot take off from the ground(因为蝙蝠不能从地面起飞), so they must climb to high places. When they are ready, they can release their breath let go of their grip(松开抓地力), and they are immediately in the air to catch their preys prey(猎物). Second, they can hide from danger(第二，他们可以躲避危险), because when bats are sleeping, they cannot defend while sleeping themselves(在睡觉时不能保护自己), so they are easily attacked by their predators. So in order to prevent this, bats will climb to high places and roost there, so their predators like snakes or other animals cannot reach them.

Revised Answer (140 words): Bats typically rest by hanging upside down, which provides them with two significant advantages for their survival. Firstly, this position facilitates taking off since bats cannot launch themselves from the ground. Instead, they must climb to elevated locations. When ready to fly, they simply let go of their grip, allowing them to instantly take to the air and pursue their prey. Secondly, hanging upside down offers protection from potential dangers. As bats are unable to defend themselves while asleep, they become vulnerable to attacks from predators such as snakes and other animals. By roosting in high places, bats remain out of reach from these threats, ensuring their safety as they rest.

6.思维导图

- Bats
  - Resting behavior
    - Hanging upside down
      - Advantages
        - Taking off
          - Cannot launch from the ground
          - Elevated locations
          - Let go of grip
          - Instantly pursue prey
        - Protection from danger
          - Unable to defend while asleep
          - Vulnerable to predators (e.g., snakes)
          - Roosting in high places
          - Safety while resting

7.关键词