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D
Read quickly 快速读课文， 回答问题.
It is Tree 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.
? Where will the people plant trees?
It is Tree Planting Day tomorrow. Many people will go up to the hills and plant trees.
Trees can . Animals and people can , 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
, and .
? What can trees do for us?
make the air clean
get food from them
make the people
healthy
make our country more beautiful
Read again 再读课文， 回答问题.
fresh air
polluted air
healthy
健康的
Having breakfast every day, such as bread,
eggs and vegetables, can make the people ______.
healthy
Running can make the people healthy .
more
many
Read again and work in groups 小组讨论， 回答问题.