Unit4Globalwarming-Reading课件（新人教选修6）.ppt

Unit 4 Global warming;We depend on energy to do many things in our daily lives. Can you make a list of sources of energy?;coal;Water power;Fossil oil petrol;Solar energy;Wind power;underground heat 地热 ;大亚湾核电站;Which source is cleaner or healthier?;Do you know what it is?;What keeps the earth warm?;Fast reading:;Fast reading:;Main ideas of each part;Detailed reading: (use your own words);;;;Finish comprehending exercise 2 !;What are the effect of global warming? The sea level to rise 海水上涨 Severe storms 风暴 Droughts 干旱 Famines 饥荒 The spread of disease 疫病 The distinction of species 物种毁灭;What are the effect of global warming Make plants grow faster Crops will produce more Encourage a greater range of animals 促使动物种群的丰富;After we learn the article, you are required to answer the questions: What is global warming? And green house effect? what is green house gases? What is the attitudes of the scientists? What are your going to do in the future?