TOEFL TPO -1 Speaking Task 3 Sample: Explain how the example of wasps and oak apples illustrates the concept of gall induction.

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，这位考生的回答基本上是清晰流畅的，但在某些地方可能需要稍作停顿。建议考生在练习口语时，注意适当的停顿和发音准确性，以便更好地提高表达能力。

4.话题发展 从话题发展方面来看，考生的回答基本上是连贯和有组织的，但在一些地方可能需要更多的支持或例子。建议考生在练习口语时，注意提供更多相关的细节和例子来支持观点，以便更好地展示话题发展能力。

5.语言使用

Original: Shell insects can affect the growth of the plants in the environment through a process called gall induction. This process has no influence on the plants themselves. The professor gave an example of wasps. This type of wasp needs places for the young baby to keep them safe. They often lay eggs on the old tree. When the eggs hatched, the larvae could produce a chemical which led the old trees to grow a type of apple. This is not a real apple, but it can keep them safe from the predator and keep them from the summer heat. When the young grow up, they just fly away and the process has little impact on the tree itself.

Corrected: Shell Gall-inducing insects can affect the growth of plants in their environment through a process called gall induction. This process has no influence harmful effect on the plants themselves. The professor gave an example of wasps. This type of wasp needs places a place for their young baby offspring to keep them safe. They often lay eggs on the old tree oak trees. When the eggs hatch, the larvae produce a chemical that causes the oak trees to grow a type of apple gall called an oak apple. This is not a real apple, but it can keep them safe from predators and protect them from summer heat. When the young wasps mature, they fly away, and the process has little impact on the tree itself.

(原文中的“Shell”应改为“Gall-inducing”，因为这里讲的是能引起植物生长的昆虫。另外，原文中的“influence”应改为“harmful effect”，以更准确地描述这一过程对植物的影响。此外，原文中的“places”和“baby”分别应改为“a place”和“offspring”，以更准确地表达意思。最后，原文中的“old tree”和“apple”分别应改为“oak trees”和“gall called an oak apple”，以更准确地描述这一现象。)

Revised (140 words): Gall-inducing insects can affect the growth of plants in their environment through a process called gall induction, which has no harmful effect on the plants themselves. The professor provided an example of wasps that need a place for their young offspring to stay safe. These wasps often lay eggs on oak trees. When the eggs hatch, the larvae produce a chemical that causes the oak trees to grow a gall called an oak apple. Although not a real apple, it serves as a protective shelter for the larvae, keeping them safe from predators and shielding them from summer heat. As the young wasps mature, they eventually fly away, leaving minimal impact on the tree itself. This example demonstrates how gall induction benefits insects while causing little harm to host plants.

6.思维导图

• Gall-inducing insects

  • Gall induction
    • No harmful effect on plants

• Example: Wasps

  • Lay eggs on oak trees
  • Oak apple gall
    • Protection from predators
    • Shelter from summer heat
  • Minimal impact on the tree

7.关键词