Question

TPO 29 听力Lecture第1篇 第1题What does the professor mainly discuss?为什么答案是A?

What does the professor mainly discuss?A. Cause of soil diversity in old-growth forests.B. The results of a recent research study in a Michigan forest.C. The impact of pedodiversity on forest growth.D. How forest management affects soil diversity.

Answer 1

Professor: But now I want to discuss what’s called pedodiversity …. There are three main causes of pedodiversity within old-growth forests here in our region of Michigan. 教授说，今天要讨论的是土壤多样性，密歇根这片古老森林里的土壤多样性有三个主要成因。接下来教授主要讲解了这三个成因，因此选择 A 。