M6U4theearthisbecomingwarmer

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,#,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,earthquake,floods,droughts,The earth is becoming warmer,The earth is becoming warmer -,but does it matter?,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.,Reading tips, skim the title and Para 1:,Title:,THE EARTH IS BECOMING WARMER BUT DOES IT MATTER?,Para 1:, how has this,come about,and does it matter?,happen,Read and underline the,topic sentences,of each paragraph.,Para.1,So how has this,come about,and does it matter?,Para.2,that,it is,human activity,that,has caused this global warming,rather than,a,random,but natural,phenomenon,.,Para.3,All scientists,subscribe to,the view that the increase in the earths temperature is,due to,the burning of fossil fuels like.,Para.4, the levels of,carbon dioxide,have increased greatly over the last 100 to 150 years.,Para.5,it is,the burning of more and more,fossil fuels,that,has,resulted in,this increase in carbon dioxide.,Para.6,the,attitudes,of scientists,towards,this rise are completely different.,Para. 7,No one knows the effects of global warming. Does that mean we should do nothing?,agree,led to,How has,this,come about and does it matter?,Whats the question that has confused us a lot?,Who,wrote the magazine article? Whats the,name,of the magazine?,S,ophie Armstrong.,E,arth Care.,Reading tips:,In English, some,nouns,begin with a,capital letter(,大写字母,), such as,name,s of people and places,titles,(,标题,),of magazines, newspapers, stories and books, peoples,titles,(,头衔,), etc.,Part I,global warming,Part II,Para.2,Human activity has caused global warming.,Para.3,The increase of temperature is due to the burning of fossil fuels.,Para.4,The levels of,carbon dioxide,have increased greatly.,Para.5,The burning of more and more fossil fuels has,resulted in,the increase of carbon dioxide.,=This increase in carbon dioxide has,resulted from,the burning of more and more fossil fuels.,The attitudes of scientists,to/towards,the rise,Part III,Dr Foster,George Hambly,Attitude,Reasons,The trend which increase the temperature by 5 degrees would be a,catastrophe,.,They,are opposed to,the view and believe that we should not worry about high levels of carbon dioxide in the air.,There may be a rise of several meters in the sea level, or predict severe storms,flood,s,drought,s,famine,s, the spread of disease and the disappearance of species,.,It will make plants grow quicker; crops will produce more; It will encourage a greater,range,of animals- all of which will make life for human beings better.,The author probably agrees that _,A. actually global warming is good for man.B. we should do nothing about the global warming.C. catastrophes will happen if the globe keeps on warming.D. a lot remains to be found out about the effects of global warming.,Part IV,Choices: to do sth. or not,It is the burning of more and more,fossil fuels,like coal, natural gas and oil that is,resulting in,this increase in the earths temperature.,2. The earth is becoming warmer.,3. An increase of five degrees in the amount of warming would be a,catastrophe,.,4. Any warming will be mild with few bad environmental,consequences,.,5. Greenhouse gases continue to,build up,in the atmosphere,.,Fact or Opinion?,(,O ),( F ),(,O,),(,O,),(,F,),What is NOT true according to the passage?,The rise in carbon dioxide is causing an increase in global warming.,B. Everyone believes that global warming is caused by the activities of human.,C. George Hambley believes that global warming will do good to the earth.,D. It is clear what the effects of global warming will be.,Discussion,Should we do something or nothing about the global warming? Why?,Step V Summary,The earth is becoming warming and all scientists _ _ the view that the increase in the earths temperature,is due to,the burning of _,_. Some _ of this process are called _, the most important one of which is _. We need these gases, but the problem begins when we add huge _ extra carbon dioxide into the atmosphere. It means that more heat energy _ to be trapped in the atmosphere causing the global temperature to _.,A scientist called Charles Keeling found that the carbon dioxide in the atmosphere went up from around,subscribe to,fuels,greenhouse gases,byproducts,carbon dioxide,quantities of,tends,go up,fossil,315 parts to around 370 parts _ million in 40 years. All scientists accept the date and agree the burning of more and more fossil fuels has _ this increase.,However, the attitude of scientists towards this rise is completely different. On the one hand, Dr. Foster thinks that the _ which increases the temperature by 5 degrees would be a _. On the other hand, George Hambley, who _ this view, believe that we should not worry about high levels of carbon dioxide in the air. They predict that any warming will be _ with few bad environmental _. But no one really knows the effects of global warming.,per,resulted in,trend,catastrophe,are opposed to,mild,consequences,Thank you!,1.What is “greenhouse gases”?,Some byproducts of this process are called “greenhouse” gases, the most important one of which is carbon dioxide.,2.What is the greenhouse effect?,Small amounts of greenhouse gases _ and therefore _, which is called _.,trap heat from the sun,warm the earth,greenhouse,effect,3.What is the problem?,