新课标人教选英语修6 unit4 Reading Global warming课件.ppt

Words study,Global warming,Unit 4,reading,Picture reading,Pre-reading,What is the greenhouse made and used for?,Picture reading,trap the heat from the sun,keep it from escaping,warm,greenhouse,How does it work?,Greenhouse,Greenhouse Effect,Greenhouse gases,Picture reading,Picture reading,Skim the article:,What are the names of the three scientists mentioned in the article?,Who wrote the article?,What is the name of the magazine?,Tip: In English, some nouns begin with a capital letter, such as names of people and places, titles of magazines, newspapers, stories and books, peoples titles, etc,Fast Reading,Lets check it:,Sophie Armstrong,Earth Care,Dr Janice Foster, Charles Keeling, George Hambley,What is the writing style? A.Expositive (说明文) B. Practical (应用文） C. Argumentative(议论文） D. Narrative（记叙文）,The organization of an expositive essay:,Introduction,A title,Body,Conclusion,Para.1,Para.2-6,Para.7,Look through the main text:,Para. 1,Para. 2-3,I,II,Para. 4-6,III,Para. 7,IV,Introduction,Body,Conclusion,Match the parts with the main ideas:,Explain how global warming comes about.,List two different attitudes among scientists towards global warming.,Introduce the topic of global warming.,Its up to readers to think and decide whether people should do something about global warming or not.,Part I,Part 2,Part 4,Part 3,Match the parts with the writing skills:,Using a question, leaving readers to think over the issue,Raising a question,Giving examples, making contrast (comparison),Giving examples, using graphs, explanation,Part 1,Part 4,Part 3,Part 2,evidence,Evidence or argument?,Read the 2 graphs:,Detailed reading,The 1st graph shows the global t between 1860 and . The temperature i and decreased over this period but on the whole it i by around one degree Fahrenheit. During this time, the earth reached its l temperature in about 1910 and its highest in . There was a steady increase in the temperature during the 20 years after 1980. We can see from the graph that the earth has become w since early last century.,emperature,2000,ncreased,ncreased,owest,2000,armer,Detailed reading,Read something more about the 2 graphs:,The 2nd graph shows the amount of c d in the atmosphere from to 1997. The Co2 c steadily i over this forty-year period. It went up from 315 to parts p million.,arbon,ioxide,1957,ontent,ncreased,370,er,Tip: While reading a graph, youd better pay attention to the numbers.,Detailed reading,Detailed reading,Are these statements true or false?,Do the exercise on page 27,What do the 3 scientists think about global warming? Do they agree with one another?,Read the article carefully.,They dont agree with each other.,Detailed reading,Read the text carefully and fill in the blanks.,gases,quantities of,global temperature,catastrophe,high levels,consequences,States,positive,Maybe,The sea level will rise,Maybe,There will be more disasters, such as,flood!,Famine!,forest fire!,Group Discussion,What should our government do to slow down global warming?,1.Give money to green the surroundings and protect the forests.,2.Encourage people to find and use more renewable energy.,rare plants,rare animals,3.Make laws,4.media,Lets join hands to protect our home.,One world, one dream!,Assignment,Talk about the effects