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选修七《Unit 2 Global Warming Section 4： READING FOR MEANING》优秀ppt课件
Unit 4
using language
1.知识目标
To get the general idea of the passage and understand what we can do about the global warming.
2. 能力目标
To improve reading ability and writing skills.
3. 情感目标
To know what effects the global warming has
brought about and what we should do to protect
our earth.
Watch a short video and think
What effects does global warming
cause?
Global warming
causes
A rising population
The use of energy
Greenhouse gases
Burning of fossil fuels
Agricultural industry
Destruction of forests
Pre-reading
1.Who is the writer of the first letter? why did he write the letter?
2.what’s the main idea of the second letter?
Read the text carefully and fill in the blanks.