1、本网站免费注册后即可以下载，点击开通VIP会员可无限免费下载！
2、资料一般为word或PPT文档。建议使用IE9以上浏览器或360、谷歌、火狐浏览器浏览本站。
3、有任何下载问题，请联系微信客服。
扫描下方二维码，添加微信客服
We all live on the earth.
It is our home. There are
a lot of trees, flowers,
rivers and mountains on
the earth. There are also
many animals here with us.
1st paragraph
make the air dirty
waste water
cut down trees
Our earth is beautiful. But sometimes we do bad things to it. We cut down too many trees. We waste too much water and make the air dirty.
2nd paragraph
What should we do?
We have only one earth. We
should care for it. We should
do something to make the
water and the air clean again.
We should plant more trees
and help the animals.
What should we do?
3rd paragraph
ride a bike
What else(还) should we do?
water flowers
save water
Read again and tick or cross.
( )1、There are mountains, trees and flowers
on the earth.
( )2、We live on the earth with many
animals.