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
T
land(土地)
L
air(空气)
A
Plastic pollution
p
plastic bags & plastic bottles
animal
water
energy
trees
land(土地)
air(空气)
plastic pollution
animal
water
energy
trees
land(土地)
air(空气)
plastic pollution
What problems are mentioned in the story?
Save(节约 )water
Save energy
Save trees
Don't use too much plastic.
______ comes from trees.
听录音，说出四段文本标题各是什么？
能源