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
人教2003课标版《Warming up、Pre-reading、Reading、Comprehending》最新PPT课件优质课下载
1.Skim the text and find the general idea of our text.
2. There are two graphs in the text.What are they about?
3.How do greenhouse gases affect the earth?
4.What are the names of the three scientists mentioned in the text?.
5.There are different attitudes towards global warming.What is Dr Foster’s opinion?
1.Skim the text and find the general idea of our text.
The temperature of the earth rose and human activity has caused this global warming.
2. There are two graphs in the text.What are they about?
Graph 1 is about the temperature difference from 1860-2000.
Graph 2 is about carbon dioxide content in the atmosphere.
3. How do greenhouse gases affect the earth?
The greenhouse gases trap heat from the sun ,which warms the earth.
4.What are the names of the three scientists mentioned in the text?
Charles Keeling, Dr Janice Foster and George Hambley.
5.What is Dr Foster’s opinion towards global warming?
She thinks that if the temperature increases by ____ degrees,it will result in many disasters.So the effect of global warming could be very_______.
5
serious
1.Can you think out some disasters following global warming?
After reading,think about the following two questions:
2.Is it too late for us to change the situation?
The Rhine in the past
Discussion
What can we do to prevent the earth becoming warmer?
Cherish our lives and protect our earth.