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
That’s a bad habit. We should take care of the flowers.
We can’t pick flowers.
cut down tree
So we can’t cut down trees.
We should plant trees.
make the air dirty
drive a car
waste water
care for the earth
take care of
See you !