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课件网) Watch a video Q1：What did you see in the video？ Q2：Which environmental problem is shown in this video？ Lead in Global warming 2017/12/22 Unit 4 Global Warming What do you know about global warming? Pre-reading Global warming is getting increasingly serious，which will not only threaten the existence of animals but also our human beings. Look at the title and the structure of the article. Newspaper B. Novel C. Magazine Guess Where does this article most probably come from? Fast reading 1 A title 2 An opening paragraph 3 Two graphs 4 Main text in two columns The organization of the article: Skim the title: THE EARTH IS BECOMING WARMER – BUT DOES IT MATTER? What is the main topic? The earth. B. Global warming. C. Becoming warmer doesn’t matter. Reading skills : The main topic can be known according to the title. (1)Who wrote the magazine article? (2)What is the name of the magazine? Sophie Armstrong Earth Care Tip: In English, some nouns begin with a capital letter(大写字母), such as names of people and places, titles of magazines, newspapers, stories and books, people’s titles(头衔), etc.. Read the opening paragraph and answer the questions. Two graphs Graph 1 shows that the earth is becoming _____. Graph 2 shows that the carbon dioxide in the atmosphere_____over the last 100 to 150 years. warmer increased/went up Three parts： I II III Introduction Body Conclusion Match the main idea of each part: Explain how global warming comes about. Two different attitudes among scientists towards the consequences of global warming. Introduce the problem of global warming. Leave a question-should we do nothing? Part 1 (para 1) Part 2 (para 2-4) Part 3 (para 5) Part 4 (para 6) Careful reading Read Part 2(Para 2-4) and answer: How has global warming come about? Due to the burning of _____ _____. Some byproducts are called _____ _____. We add huge quantities of _____carbon dioxide into the atmosphere. fossil fuels “Greenhouse” gases extra Different attitudes Dr Janice Foster George Hambley Scientists are debating over the possible effects of greenhouse gases. Please express their different opinions. Part 3(Para.5) Negative effects Positive effects Attitudes to the Rise opinions The _____ that the temperature increases by five degrees would be a _____ and it could be very _____. We should not worry about it. Any warming will be ____ with few bad _____ _____ It is actually a _____ thing. trend serious mild environmental positive JaniceFoster George Hambley catastrophe consequences Positive effects Negative effects Attitude are different On the one hand On the other hand cause the sea level to rise severe storms floods droughts famines the spread of diseases disappearance of species Positive effects Negative effects make plants grow quicker crops will produce more a greater range of animals make life better Attitude are different The earth is becoming warmer, does it matter? Discus ：What can ... ...
