Module 4 Sandstorms in Asia Writing 课件（25张PPT）

课件25张PPT。必修三 Module 4 Sandstorms in AsiaWriting — How to protect the environment
Step1 Leading-inLook at the following pictures.Writing Sandstorms have been a major environmental problem. And there are other environmental problems, for example, the water and garbage pollution. So we should make some efforts to protect our environment.
Let’s write a composition to call on everyone to protect the environment.Step2 Pre-writing —— Topic discussion & Write an outlineWork in pairs. Discuss these questions.
1. Describe the present situation of environmental pollution.
2. List the present environmental problems.
3. What should we do to protect our environment?Write an outlineThe present situation——现在环境问题正在变得越来越严重.
Problems——1.人们砍树挖草导致更多的沙尘暴；2.人们到处乱扔垃圾; 3.工厂产生的污水，污染了河流和湖泊.
Measures ——1.我们应该植树造林；2.垃圾回收利用，并建议人们不使用塑料袋；3.政府应制定法律法规.
Before writing, we can write down some related words and phrases.垃圾________ 越来越严重__________
污染 _______ 砍树_______________
意识到 ______ 挖草_______________
责任 ________ 导致_______________
重新利用_____ 采取措施___________
建议 ________ 从现在开始__________Step3 While-writing (一) Fill the blanks 1.现在环境问题正在变得越来越严重。
Nowadays, environmental problems are becoming ___ ____ ____ _____.
2.工厂产生的越来越多的污水，污染了河流和湖泊。
Factories make more and more dirty water that _______ _______ the rivers and lakes.
3.而且，人们到处乱扔垃圾。/ 而且，无论我们走到哪里，随处可见垃圾。
Furthermore, people throw their garbage___ ___ ____.
Furthermore, ______ we go today, we can find rubbish
____ ____ ____.
more and more serioushas pollutedhere and therewhereverhere and there（二）Rewrite the sentences in another way 4.人们砍树挖草导致更多的沙尘暴。
People cut down trees and dig up grass, which leads to more sandstorms.
_____________________________________________________
5.地球是我们的家园，我们有责任照看好它。
The earth is our home and we have the duty to take care of it.
_____________________________________________________
6.我们应该采取措施来解决这些问题。
We should take measures to deal with these problems.
_____________________________________________________Trees are cut down and grass is dug up, leading to more sandstorms.The earth is our home. It is our duty to take care of it.Measures should be taken to cope with these problems.(三) Look and write 7. We should plant more trees.
We should plant more trees instead of cutting them down.
8.The government should pass some laws to protect the environment.
9.Some garbage can be recycled while others can be harmful.
注意：此处while 的意思为“然而”，表示两者的对比。 We should advise people not to use plastic bags.

People should be advised not to use plastic bags.
10.从现在开始行动起来，我们的世界将变得更加美丽！
Take action from now on and our world will be more beautiful!可用句型
祈使句+and+陈述句
Plant a tree and the world will be better!Step4 Post-writing ——Mutual modification & Learning from each other How to protect our environment
Our environment is getting worse and worse now.
People cut down trees and dig up grass, leads to more
sandstorms. Factories make more and more dirt water
that has been polluted the rivers and lakes. Furthermore,
people throw their garbages here and there.
The earth is our home. It is our duty to take care of
it. Fortunate, more and more people have realized these
problems.

leadingdirty＼garbageFortunately We should take measure to deal with these
problems. Firstly, we should plant more trees instead of

cut them down. Secondly, some garbage can be
recycled while others can be harmfully. Meanwhile,
people should be advise not to use plastic bags. Thirdly,
the government should pass some laws to protect the
environment.
Take action from now on and our world be more
beautiful!measurescuttingharmfuladvised︿willStep5 Summary & Homework Writing key points
Write an outline, write down some useful words and phrases.
Write the sentences clearly and correctly.
Revise your composition by yourself.Homework Describe air pollution and write some solutions.Protect the environment!Thank you!