人教版必修六.pptxVIP

人教版必修六第1页/共22页 ① What are they?② What are these buildings made of? ③What’s the use? greenhouse / glassA greenhouse is used for_____________, especially during ____ weather.Pre-readingTurn to Pre-reading 1,Page 25.Read answer. growing plantscold第2页/共22页 _____ the heat from the sunkeeps it from _____________ the air upHow does a greenhouse work?trap…from…: keep sth in a place存住来自…的…trapsescapingheats第3页/共22页 In the atmosphere surrounding the earth there are gases, which are called “greenhouse gases”.methane [?mi:θe?n]water vaporcarbon dioxideGreenhousegases?第4页/共22页 What do you think greenhouse gases do?Greenhouse gases _____ the heat of the sun and therefore ______ the earth.It is known as __________________.Nowadays our earth is becoming _____________________.greenhouse effecttrapwarmwarmer and warmer第5页/共22页 The earth is becoming warmer - but does it matter?ReadingPage 26第6页/共22页 SkimmingSkim the body part(7 paras): Para. 1Para. 2-5IIIPara. 6IIIPara. 7IV★★★★Introduction Body Conclusion第7页/共22页 Main idea of each part Part 1 (1)B. Introduce a debate over the issue of global warming. Part 2 (2-5) A. How global warming comes about. D. List two different attitudes among scientists towards global warming.C. It’s up to readers to think and decide whether people should do something about global warming or not.Part 4 (7)Part 3 (6)第8页/共22页 1.Who wrote the magazine article? 2.What is the name of the magazine? Part.I (1)Answer the questions.Sophie Armstrong.The name is Earth Care.Introduce a debate over the issue of global warming. Reading tips: In English, some nouns begin with a capital letter(大写字母), such as names of people and places, titles(标题) of magazines, newspapers, stories and books, people’s titles(头衔), etc..第9页/共22页 3.What is mainly discussed in the passage?A. What has caused the global warming and whether it matters.B. What effects of the global warming will be.C. How serious the global warming could be.D. What the global warming is.SkimmingReading tip