Unit 3 Care for the earth 第2课时课件（20张PPT）

课件20张PPT。Unit 3Care for “Mother Earth”We all live on the earth.
We have only one earth.
It is our home.“mother earth”Care for
关爱What’s on the earth?There are…
There are a lot of ,
, and on the earth. There are also many here with .Let's readriverstreesflowersmountainsanimalsus What happened on the earth?The earth is ill.
Because people do bad things to it. make the air dirtywaste watercut down trees123What do people do bad? Our earth is beautiful. But sometimes we do bad things to it.Let’s read. We too many
. We too much
and .Let’s read.cut downtreeswastewatermake the air dirty太多：
too many + 可数名词（复数）
too much + 不可数名词
Tips 1.Her grandpa drinks (many/much)
tea every day.
2.These boys waste (too many/
too much) water.
3.You are eating(too many/
too much)ice-creams.
Read and circleWhat else do people do bad?
(还)kill animalspick flowersWhat should we do?We have only one earth.
We should care for it.We should do something to
and again.
We should
andWhat should we do?make the waterthe air cleanplant more treeshelp the animals.ride a bikehelp animalsWhat else should we do?water flowerssave waterLet’s listen and read. Let's write T or F( )1.There are mountains,trees and flowers
on the earth.
( )2.We live on the earth with many animals.
( )3.We should cut down more trees.
( )4.We make all the water dirty.
( )5.We should care for the animals. TTFFTWe shouldn't cut down trees.
We shouldn't pick flowers.
We shouldn't waste the water.
We have only one earth.
And we shouldn't do anything bad.We should make the air clean.
We should plant more trees.
We should help the animals.
We have only one earth.
And we should do something good.Dear friends:
We all live on the earth. We have only one earth. There are .
We shouldn't do anything bad.
We shouldn't .
...
We should do something good.
We should .
...
Please care for our earth!

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Goodbye to me!
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