Question: Using the examples from the lecture, explain the professor's main point about disruptive coloration as a type of camouflage.
🎧 听力讲座
Today we're going to talk about animal adaptation, specifically how some animals use camouflage in ways that go beyond simple color matching. The main point is that certain species have evolved what we call 'disruptive coloration'—patterns that break up the outline of the animal's body, making it harder for predators or prey to recognize them as a whole object. Let me give you two examples. First, consider the leopard. Its rosette-shaped spots don't just blend with the dappled light of the forest; they actually break the solid contour of its body, so when it's lying in grass, its shape becomes fragmented, and prey might mistake it for patches of sunlight or leaves. Second, think about the zebra. Its bold black and white stripes might seem conspicuous, but in a moving herd, the stripes create a confusing visual blur that makes it difficult for a lion to single out one individual. The pattern disrupts the herd's outline, causing predators to lose track of any specific zebra. Both examples show how disruptive coloration enhances survival by confusing visual perception, not merely by matching the background.
📝 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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