2. What is global warming? What causes global warming? What is the greenhouse effect? What are greenhouse gases? What is global warming doing to the environment?

3. Global warming

4. THE EARTH IS BECOMING WARMER BUT DOES IT MATTER? Reading

5. Main ideas of each part: Part1 (para1) Introduce a debate over the issue of global warming. raising a question Part2(para2-5) How global warming comes about. giving examples, using graphs, explanation Part3(para6) Part4(para7) List two different attitudes among scientists towards global warming. giving examples, making contrast It's up to readers to think and decide whether people should do something about global warming or not. leaving a question

6. Who writes this article? Sophie Armstrong of Earth Care What rose about one degree Fahrenheit? The temperature of the earth Careful reading

7. 2. ___________________________ 1. ___________________ How does global warming come about? the burning of fossil fuels human activity Carbon dioxide Methane What are the Greenhouse gases? 1. 2. 3. Water vapor

8. What are the effects of global warming? a rise in the sea level severe storms, droughts, famines, the spread of diseases, and the disappearance of species make plants grow quicker…

9. The different ideas between Dr. Janice Foster & George Hambley Dr. Janice FosterGeorge Hambley Carbon dioxide has caused the global temperature to _________. An increase of five degrees would be a ___________ and could be ___________. More carbon dioxide is a __________thing, which makes plants _________; crops ___________ and it will encourage _______________. rise/go up catastrophe very serious positive grow quicker produce more a greater range of animals

10. Further thinking Do you agree or disagree that we should do nothing about gobal warming? Why?

11. Summary 1.Where can you usually read the passage? 2.What is the purpose of the first paragraph? 3.What are the diagrams for? 4.Why are there two quotes? 5.What is the purpose of the last paragraph of the article?

12. Useful expressions 1. 温室气体 / 效应 2. 加热 3. 在大气环境中 4. 产生 5. 毫无疑问 6. 赞同这种观点 7. 自然现象 8. 大量的 9. 引起全球温度上升 10. 对 … 作了精确的统计 11. 接受这个数据 12. 反对 13. 各种动物 14. 聚集；增加 1.greenhouse effect 2.heat up 3.in the atmosphere surrounding 4.come about 5.There is no doubt that… 6.subscribe to 7.a natural phenomenon 8.huge quantities of 9.cause the global temperature to go up 10.make accurate measurements of… 11.accept the data 12.be opposed to 13.a great range of animals 14.build up

13. 1.To read the passage fluently and try to underline the difficult words and sentences 2.To finish Exx1 &2 on p28 3.To finish Passage Two in the Reading practice