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优秀英语课件Unit4GlobalwarmingReading高二人教英语新课标版选修六.ppt

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Unit 4
Global warming
Reading
高二人教英语新课标版选修六
优秀英语课件Unit4GlobalwarmingReading高二人教英语新课标版选修六
1. Have you ever seen a greenhouse?
is made of glass
used for growing plants, especially during cold weather.
优秀英语课件Unit4GlobalwarmingReading高二人教英语新课标版选修六
2. How does the greenhouse work?
优秀英语课件Unit4GlobalwarmingReading高二人教英语新课标版选修六
The air inside was warm because the
glass traps (挡住, 吸收) the heat from the
sun and keeps it from escaping (逃跑).
This makes the greenhouse heat up (热量
上升) and so the plants can grow
Throughout (在……期间) the cold period.
优秀英语课件Unit4GlobalwarmingReading高二人教英语新课标版选修六
3. What are Greenhouse Gases?
Methane
4
Ozone
5
1
Carbon dioxide
2
Water vapor
1
1
Nitrous oxide
3
优秀英语课件Unit4GlobalwarmingReading高二人教英语新课标版选修六
4. Greenhouse Effect
Global warming
Greenhouse gases trapped the heat from the sun, which causes the temperature of earth goes up.
优秀英语课件Unit4GlobalwarmingReading高二人教英语新课标版选修六
Greenhouse
Global warming
Are they all beneficial?
？
优秀英语课件Unit4GlobalwarmingReading高二人教英语新课标版选修六
THE EARTH IS BECOMING WARMER BUT DOES IT MATTER?
Reading
优秀英语课件Unit4GlobalwarmingReading高二人教英语新课标版选修六
1) How many paragraphs does the reading

2) Make a division of the text.
Read the passage quickly (3’)
text consist of? Please number them.
Fast-Reading
优秀英语课件Unit4GlobalwarmingReading高二人教英语新课标版选修六
Main ideas of each part:
Part1
(1)
Introduce a debate over the issue of global warming.
raising a
question
Part2
(2-5)
How global warming
comes about.
giving
examples,
using graphs,
explanation
优秀英语课件Unit4GlobalwarmingReading高二人教英语新课标版选修六

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