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
句型 While I was walking down the street just now, I couldn’t see anything.
As a result, a lot of rich land has changed into desert.
Trees can stop the wind from blwoing the earth away.
A lot of water can be saved by forests.
Cutting down trees is harmful to human beings, animals and plants.
Although we have built The Green Great Wall, we still need to do something to protect the environment.
2) 掌握沙暴形成的原因和过程；
3) 掌握树木对环境保护的作用；
4) 学习复合不定代词everything, anything等词的用法。
2. Skill aims:
1) 能听懂谈论沙尘暴成因的对话。
2) 能够从所听材料中获得有效的细节信息。
3) 能够根据图片和信息提示词描述沙尘暴形成的过程。
3. Emotional aims:
让学生了解环境污染的严峻形势，引导学生爱护大自然，爱护花草树木，树立绿色环保意识。
4. Culture awareness:
通过课文的学习，让学生了解沙尘暴形成的原因和过程，关注全球的环境问题。
三、The key points and difficult points
1. Key points:
Words and phrases: sand, although, sandstorm, desert, human being, reduce, completely, change into, stop … from, blow/ wash … away, as a result
Sentences: A lot of water can be saved by forests.Although we have built “The Green Great Wall”, we still need to do something to protect the environment.
Grammar: Indefinite pronouns.
Difficult points： 能够根据图片和信息提示词描述沙尘暴形成的过程。
四、Learning strategies
通过引导学生在听前阅读1b和3，培养学生形成听前熟悉、预测听力材料的学习习惯。
通过3中的插图预测并描述新话题，培养学生的逻辑推理能力。
五、Teaching aids
关于沙尘暴的图片，幻灯片等。
六、Teaching procedures
Stage