选修六unit4阅读课waming1+reading12选修六unit4阅读课warming1+reading12选修六unit4阅读课warming1+reading12选修六unit4阅读课warming1+reading12.ppt

2. Where does all this energy come from? Coal Oil Natural gas Uranium Wind (wind power) Sun (solar energy) Water (hydro-electric power) Plant waste (biomass energy) Hot springs or geysers (geothermal energy) The sea (tidal energy) 3. What are fossil fuels? Ancient animal and plant material below the surface of the earth with a high carbon content, such as coal, oil and natural gas, which can be burnt to produce energy. Also known as non-renewable energy because once they are used they have gone forever; they cannot be renewed. A greenhouse is made of glass and is used for growing plants, especially during cold weather. 5. How does it work? The air inside is warm because the glass traps the heat from the sun and keeps it from escaping. This makes the greenhouse heat up and so the plants can grow throughout the cold period. 6. What are the “greenhouse gases”? In the atmosphere surrounding the earth there are gases, which are called “greenhouse gases”, including carbon dioxide, methane(甲烷, 沼气) and water vapor. 7. What do you think greenhouse gases do? They trap heat from the sun and therefore warm the earth. Who wrote the magazine article? What is the name of the magazine? Sophie Armstrong wrote the magazine article. The name of the magazine is Earth Care. What are the names of the three scientists mentioned in the article? They are Dr. Janice Foster, Charles Keeling and George Hambley. 3. What do they think about global warming? Do they agree with one another? They dont agree with each other. Dr. Janice Foster thinks the effects of global warming could be very serious. What is the main topic of the article? Global warming Of the two ideas, which are you in favor of ? The Dr Janice Foster’s. Using language 1. on behalf of 代表…一方；作为…的代言人 I’d like to thank you on behalf of my family. 2. put up with 忍受；容忍= tolerate I don’t know how you pu