托福TPO 7 听力Lecture第4篇第1题_What is the lecture mainly about?

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题目

What is the lecture mainly about?

Explanations of how glaciers move

Landscape changes caused by glacial movement

Climate changes that influence glacial movement

Causes of glacial formation

题目解析

录音开头教授提到 how they flow, and the way they flow needs some explaining，接下来教授详细中解释了冰川移动问题，所以选项 A 说法正确，为本题答案。

答案: A

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