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air
Listen and read
1.Why do people plant trees?
2.People cut down too many trees.
What will happen?
wet
dry
Listen and read
自己轻声朗读
尽量保持语速与录音一致
Think and say
What should we do?
more
healthy
not healthy
Read the text
自己读一遍课文
轻声朗读
Can you read this text?
It isTree Planting Day tomorrow. Many people will go up to the hills and plant trees.
Trees can make the air clean. Animals and people can get food from them, too.
But people are cutting down too many trees. That will bring about great changes in the weather. It will be too cold or too wet in some places. It will be too hot or too dry in other places.
We must plant more trees. They will make the people healthy, and make our country more beautiful.
How to retell?
You can say that in your own words
（用自己的话来说）
Look at the keywords and the pictures.Say something.
（看关键词和图片，说一说）
What do you learn from reading this text?
学完这篇文章后你有什么收获？和同伴一起分享吧！