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
It will be cloudy tomorrow.
Can you find the changes?
The tree is green now.
The tree was yellow in autumn
The tree will be yellow again next autumn.
Cavemen often ate raw meat.They didn't cook their food.
Now there are many things to help you cook.
In 2050,there will be house robots. They will cook,clean and wash the dishes.
------------------------------------------------------------------------------------------
There were many trees,and there were many clean rivers.
Now, there are more and more buildings.
We should help the earthnow, so birds will have homes and the forests will be healthy and green again.
-----------------
Before humans lived on the earth, whales already lived in the sea.
Now, there are not many whales.
If we change now,whales and humans will have a bright future.
-----------------
Task1: Listen and follow.
Task2: Read in groups.
Task3: Show time(选择自己喜欢的方式展示：齐读，跟读，模仿等。)
-----------------
Homework:
1. Review the key words and phrases.
2.Tell the story to your family members.