theearthisbecomingwarmer选修PPT课件

1、global warmingThe Earth Is Becoming Warmer - But Does It Matter? 第1页/共19页The Earth Is Becoming Warmer Tell the fact about global warming- But Does It Matter? compare different ideas 第2页/共19页 Read the opening paragraph1. Who wrote the article?2.What is the name of the magazine?3.What is the topic sen

2、tence of the text?So how has this come about and does it matter?The process of how global warming develops and peoples different attitudes are declared in the text.第3页/共19页 1. Para 2-4 how has this come about第4页/共19页1. What is Graph 1 about?The larger the temperature difference, the more heat is tra

3、nsferred.conclusion: the earth is becoming warmerrandom phenomenonnatural phenomenon第5页/共19页coalnatural gas oil2. reason?the burning of fossil fuels byproductgreenhouse gases carbon dioxide Para 3第6页/共19页3. greenhouse effect? Para 3第7页/共19页4. Whats the problem?huge quantities of extra carbon dioxide

4、 more heat energy tends to be trapped the global temperature to go up Para 3第8页/共19页1. What is Graph 2 about?Conclusion: the levels of CO2 have increased greatlyresult inthe burning of fossile fuels第9页/共19页over the next 100 yearsas low as 1 to 1.5 degree Celsiusas high as 5 degree Celsius第10页/共19页 2

5、. Para 2-4 how has this come about第11页/共19页 different attitudesDr Janice FosterGeorge HambleyThe _ that the temperature increases by five degrees would be a _ and it could be very _.trend seriouscatastropheAny warming will be _ with few bad_. It is actually a _ denvironmentalpositiveconsequ

6、ences第12页/共19页 catastrophe a rise of several meters in the sea level severe storms, floods, famines the spread of diseases disappearance of species第13页/共19页 positive encourage a greater range of animals make plants grow quicker make crops produce more第14页/共19页greenhouse gases build upEven if we star

7、t . , the climate is going to keep on warming. Para 6第15页/共19页书本书本27页页 练习练习2第16页/共19页Title_The opening para.: raising a questiongraph 2Para 2,3:_ Para 4,5_Para 6: conclusiongraph 1The earth is becoming warmer-But does it matter?causesGiving examples, using graphs, explanation.different attitudes第17页/共19页We should start from every little bit to fight against global warming.What can we do?walk or ride bikes insteading dri