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’s wise for people to choose public transport or ride bicycles.
Will more trees be planted this year?
III Key points of the lesson: talk about how to live a green life. Predicted difficulty of the lesson:
talk about how to live a green life in various ways correctly.
IV Teaching procedures:
(Welcome to the unit )
Step 1Lead-in
Ask the students to watch a video about a green world and a polluted world and ask them to think about the video deeply.
After watching the video, ask the students some questions about it.
T : Did the world use to be a green world?
T : How is the world now?
T: Why is our world like this now?
T: We should have a green world!
（设计目的：通过观看此视频，让同学们体会到绿水青山与污染遍地的不同，受到视觉冲击的同学们自然而然地本课时有了更多关注。同时， 复习了used to do 的用法和一些与自然环境相关的表达。）
Step 2 Presentation
Introduce this unit – a green world and ask students to think about the “green” here.
T: Today let’s learn Unit 8 A green world. Here, what’s the meaning of “green”? Is the “green” just a kind of colour like red, black or white?
T: Here “green” means to protect nature and to be friendly to our environment.
T: To have a green world, we need to live a green life.
Ask the students to choose which one is the green life and why.
T: You must know a lot about the green life. Look at the two pictures, which one is a green way?
T: Yes, the right one. Because it can save water.
What can we do to save water?
T: We can save water by turning off the tap.
Remember the usage of “by doing sth”.
Ask the students to think about what we can do to change air pollution and teach new words and phrases reduce, wise, choose public transport etc.
T: In cities, there is too much air pollution because of too many cars. How can we do to change that?
T: What’s more, we can protect the environment by using the waste again. That means we can recycle.
设计目的： 结合图片， 让同学们直观地学习新单词，学会表达保护环境这一主题。
Step 3 Practice (Welcome Part A)