Question: Using the examples from the lecture, explain the professor's main point about behavioral adaptation through learning.
🎧 听力讲座
Today, we're going to talk about a fascinating concept in animal behavior called 'behavioral adaptation through learning.' Unlike innate behaviors, which are hardwired from birth, learned behaviors are acquired through experience and can be crucial for survival. Let me give you two examples. First, consider the urban raccoon. In their natural forest habitat, raccoons forage for food on the ground and in streams. But in cities, they face new challenges—like how to open garbage bins. Young raccoons observe their mothers and learn to manipulate latches and lids. This learned skill allows them to access a reliable food source, which is essential for thriving in urban environments. Second, think about the bottlenose dolphin in Shark Bay, Australia. These dolphins have developed a unique foraging technique called 'sponging.' They break off a marine sponge and wear it over their snouts to protect themselves from sharp rocks and venomous stingrays while probing the seafloor for food. This technique is not genetic—it's passed from mothers to daughters through teaching and imitation. So, these examples show how learning enables animals to adapt to specific environmental challenges, enhancing their chances of survival.
📝 参考答案
托福口语 Task 4 评分标准
内容准确性(Content Accuracy):是否准确复述教授的主要观点
信息完整性(Information Completeness):讲座中的例子和关键细节是否完整
语言运用(Language Use):语法、词汇、表达准确性
表达(Delivery):流利度和清晰度
总分30分,原始分0-4分,最终换算为30分制。
答题技巧
听讲座时快速记笔记,抓住主要观点和两个例子
用20秒准备时间组织回答结构
回答时先点明教授的主要观点,再用例子解释
使用模板句式:"The professor explains... For example..."
控制在60秒内完成回答
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