托福TPO46听力答案及解析，跟着小编的脚步一起来认真分析一下吧!
Lecture 1
1. What is the lecture mainly about? 【题型】内容主旨题
A Various methods that ants use to locate food
B A collective behavior common to humans and animals
C A type of animal behavior and its application by humans
D Strategies that flocks of birds use to stay in formation
答案：C
破题关键词汇：what
解析：(从第3“开始，原文重现：I’d like to continue our discussion of animal behavior and … concept we haven’t yet touch upon: swarm intelligence. 1’53”And swarm intelligence offers several… can be applied to other fields. )
C选项的animal behavior就是原文所说的swarm intelligence. 选项中的application对应原文的applied.
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