单选题What does the author tell us in this passage?AHow trees help prevent droughts and floods.BThe relationship between trees and man.CHow an empire fell to pieces in ancient times.DA story of trees.
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.
参考解析
解析：
主旨题。本文是围绕树木与人的关系展开论述的。
主旨题。本文是围绕树木与人的关系展开论述的。
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