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TPO 9 听力Lecture第3篇 第1题
听力音频
题目
What is the lecture mainly about?
Reasons that geologists study lake fossils in desert regions
A comparison of ancient and present-day lakes in desert environments
Geological evidence for the formation of ancient sand dunes
A hypothesis for how some ancient desert lakes formed
题目解析
录音开头学生问道：Why would lakes form in the desert? 教授回答说 Good question，之后就开始详细解答湖泊是怎样形成的，所以讲座主旨是湖泊的形成，选项 D 说法正确。
答案: D
答案: D
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