资源描述
单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,Welcome!,Welcome!,What are they?What,are,these buildings,made of,?,Whats the use?,greenhouse/glass,A greenhouse,is used for_,especially during _ weather.,growing plants,cold,What are they?What are th,_ the heat from the sun,keeps it from _,_ the air up,How does a greenhouse work?,traps,escaping,heats,_ the heat from the sunkee,New Words,Random Phenomenon,Subscribe Fuel,Data Catastrophe,Trend opposed,胡乱的,现象,同意,燃料,数据,大灾难,趋势,反对的,New WordsRandom,Fast Reading,Who,wrote the magazine article?The,name,of the magazine?,What,is mainly discussed in the passage?,What are the,names,of the three scientists mentioned in the article?,Fast Reading Who wrote the mag,Skimming,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 doesnt matter.,SkimmingSkim the title:What i,Where does this article most probably come from?,Newspaper B.Novel C.Magazine,Where does this article most p,Who wrote the article?,What is the name of the magazine?,Skim the first paragraph:,Sophie Armstrong,Earth Care,Who wrote the article?What is,What are the names of the three scientists mentioned in the article?,Dr Janice Foster,Charles Keeling,George Hambley,What are the names of the thre,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.,3.What is mainly discussed in,The organization of the article:,Introduction,A title,Body,Conclusion,The organization of the articl,Skim,the body part(7 paras),:,Para.1,Para.2-3,I,II,Para.4-6,III,Para.7,IV,Introduction,Body,Conclusion,Skim the body part(7 paras):P,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.,Give a warning and raise a question for the readers to think over.,I,(1),II,(2-3),III,(4-6),IV,(7),Match the main idea of each pa,Part,II(Para2-3),Everyone believes that global warming is caused by the activities of humans.,Janice Foster believes that she can measure the future global rise in temperature.,Greenhouse Gases are totally bad.,F,T,F,Part II(Para2-3)Everyone belie,1.Greenhouse effect is a natural p,_.,_ amounts of Greenhouse gases in the atmosphere.But the problem begins when we add huge q,of extra carbon dioxide to the atmosphere.Therefore,more heat energy is t,in the atmosphere causing the global temperature to _.,Fill in the blanks about the,causes,of Greenhouse effect.,henomenon,uantities,rapped,go up,Small,1.Greenhouse effect is a natu,Para 4.,the levels of carbon dioxide have,increased greatly over the last 100 to 150 years,Who made accurate measurements of the,amount of carbon dioxide?,2.How much has increased?,Charles Keeling,The carbon dioxide in the atmosphere went up from around 315 parts to around 370 parts per million.,Para 4.the levels of carbon d,Para 5.,How high will the temperature go?,The amount of warming could be as low as 1 to 1.5 degrees Celsius,but it could be as high as 5 degrees.,Para 5.How high will the temp,What do,Dr.Janice Foster,and the scientist,George Hambley,think about the consequences of global warming?,Do they agree with one another?,Para 6,They dont agree with each other.,Dr.Janice Foster,thinks,it is,serious.,George Hambley,thinks,global warming will,be mild with,few bad environmental consequences.,What do Dr.Janice Foster and,Does,global warming,matter?,Positive effects,Negative effects,Does global warming matter?Pos,19,cause the sea level to rise,severe storms,floods,droughts,famines,the spread of diseases,disappearance of species,Positive effects,Negative effects,cause the sea level to risePos,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,cause the sea level to risePos,How to reduce greenhouse gases?,How to reduce greenhouse gases,The earth is becoming warmer,does it matter?,The earth is becoming warmer,人教新课标选修6Unit4Globalwarming公开课ppt课件,
展开阅读全文