人教版高中英语选修六课件：M6U4 Global warming reading(共25张PPT).pptVIP

What cause the global warming? Who found out the amount of carbon dioxide in the atmosphere from 1957 to 1977? A. Dr. Janice Foster. B. Charles Keeling. C. George Hambley. D. Sophie Armstrong. The different ideas between Dr. Janice Foster George Hambley Does George Hambley believe that we should worry much about the global warming? No, he doesn’t. The author Sophie Armstrong probably agrees that ________A. actually global warming is good for man.B. we should do nothing about the global warming.C. catastrophes will happen if the globe keeps on warming.D. a lot remains to be found out about the effects of global warming. Do you think it is possible that the winter will disappear in the future because of the global warming? And do you want it to happen? * Unit 4 Global warming the use of energy give off carbon dioxide, other wasted gases and heat into the air The earth is becoming warmer and warmer. (globle warming) Greenhouse effect How does a greenhouse work? The greenhouse trap the heat from the sun and keeps it from escaping, which can make it heat up and so the plants can grow throughout the cold period. Greenhouse ? Under this greenhouse effect, the earth is becoming warmer and warmer. But does it matter? The earth is becoming warmer -but does it matter? Para. 1: (1)Where does this text from? (2)Who wrote this text? Sophie Armstrong a magazine named Earth Care Part one: Part two: Part three: Part four: Introduce a debate over the issue of global warming. How global warming comes about. No one knows what the effects of global warming will be. Para.1 Para. 2-4 Two different attitudes among scientists towards global warming. But there are some very different attitudes among scientists towards this issue.“ “issue here means the same as the one in ______. A. I bought the new stamp the day of its issue. B. What health issues do you think concern young people the most?C. The g