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北师大2003课标版《Lesson 1 Global Warming》最新PPT课件优质课下载
What are the causes of global warming?
traffic
Factory
1. Which countries do you think
contribute more to global
warming?
a) developed countries
b) developing countries
Developed countries – more industry and technology
After we learn this lesson, we can get all the answers to the quetions. Let's go!
Para 1
Para 2
Para 3
Para 4
Para 5
What can we do to reduce global warming
What global warming is and how it works
Reasons and its effects
Draw readers’ attention to the topic by asking questions---introducing
the consequence of global warming
Listen to the tape of the text and match
the heads with the paragraphs.
1) What is global warming?
3. Read the text and answer the
questions. If necessary, give