题型：阅读选择 题类：常考题 难易度：普通
江苏省淮阴区运南片教育联盟2016-2017学年六年级下学期英语3月月考试题（五四制）
It is March 12th. It's Tree Planting Day. There are many people on the hills. They're planting trees. People plant many trees today. Plants are important to us. They can make food from the air, water and sunlight. But animals and people can't do so. Animals and people can get food from plants. Without plants, life will not go on, Plants make the air clean. They can keep water from flowing away(流失). They can stop wind from blowing up sand and earth. But in some places people are cutting down too many trees. This brings about floods and sandstorm. Now more and more people know that plants are important. They will plant more trees and grow more plants. They will try to protect the trees.
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