What is mainly discussed in the passage? How more and more ____________________________. Why are small green plants very impo

admin2014-02-19  24

问题 What is mainly discussed in the passage?
How more and more ____________________________.

Why are small green plants very important to dry places?
They help keep ___________________________ and prevent _____________________.

选项

答案water in the earth 和the wind from blowing the dirt away

解析 从第三段第五、六句话可知答案。
转载请注明原文地址:https://jikaoti.com/ti/PA2MFFFM
0

随机试题
最新回复(0)