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We drink it every day.
We can see it in rivers and lakes.
water
energy
trees
plastic
home
e
a
r
t
h
save
save
save
don't use
too much
protect
It is our home. We live on it.
What should we do to protect the Earth?
回忆课文内容，找出不正确的信息。
1. We drink water and use water to clean things.
Save water
2. There is much water in the world.
2. There is not much water in many places.
3. We can reuse water and save it.
回忆课文内容，找出不正确的信息。
1. All of our energy comes from coal and oil.
Save energy
1. Most of our energy comes from coal and oil.