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单选题
What does the author tell us in this passage?
A

How trees help prevent droughts and floods.

B

The relationship between trees and man.

C

How an empire fell to pieces in ancient times.

D

A story of trees.


参考答案

参考解析
解析:
主旨题。本文是围绕树木与人的关系展开论述的。
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