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Let’s write (Look at the picture. Write a sentence about it.)
2.Second-reading
Q2:Did Mr Zhou do right thing? Why?
Learn “keep my car very clean/You shouldn’t waste so much water”
Q3:What does Mrs Zhou think of walking?
3.Post reading
a. Tick or cross
b. Reading in group/roles
c. Give passage a title: “we shouldn’t waste water”.
Step3 Practice
1.Watch a video（地球的现状与过去对比，为引出话题You should…/shouldn’t …做铺设）
2.图片展示Think and write
We should/shouldn’t…..
3.Play a game(摩天轮)
4.Write a letter to Mr Zhou（配乐）
5.show your letter.
Step4 Homework （分层设计）
Read D Let’s read and retell the passge.
Work in group, make a poster about keeping our earth。
3.Write a letter to your friends and tell him/her what we should do and what we should not do通过公益广告让学生视觉上感知我们的生活离不开水，而我们从生活中的点滴做起就可以节约用水。
学习waste&save 这两个词我后面的阅读课教学奠定基础。
阅读的题目由易到难，让学生学会提取关键信息，培养他们的思维品质。
这篇短文没有题目，通过阅读，理解文本，给为本增加课题，培养学生概括的能力。
游戏的设置，提高学生学习的兴趣，同时检测学习效果。
通过文本整合，学习短语
keep the river clean.
keep the air clean and fresh.
plant more trees.
use bike instead of(代替)cars.
cut down too many trees.