選修6unit4reading 精品課件

1、Global warming,Unit 4,The earth is becoming warmer - but does it matter?,3.What methods did the writer use to make his argument more convincing ?,1. Features of the article,2.The main idea and the details of each paragraph,Tasks of Discussion,10,1,2,3,4,5,6,7,8,9,00,9876543210,543210,1 0,:,987654321

2、0,two graphs, (圖表） the main text in two columns, (欄） The title-a question;, the paragraph on the top in bold （粗體）, .,Features of the article,Where is the passage probably taken from? A. a travel guide. B. a science magazine. C. A newspaper. D. an advertisement section.,During the 20th century the te

3、mperature of the earth rose about one degree Fahrenheit. That probably does not seem much to you or me but it is a rapid increase when compared to other natural changes. So how has this come about and does it matter? Earth Cares Sophie Armstrong explores these questions.,Topic sentence?,Generally sp

4、eaking, the paragraph on the top is a brief _ to the passage. It is called Editors Note.,introduction,Who does me refer to? A scientist. B. Sophie Armstrong. C. An editor .,the temperature of the earth,rose about one degree Fahrenheit.,this,What is mainly discussed in the passage?A. How serious the

5、global warming could be.B. What effects of the global warming will be.C. What has caused the global warming and whether it matters. 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

6、it matter?,happen,Careful reading,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?,Sophie Armstrong.,Earth Care.,Reading tips: In English, some nouns begin with a capital letter(大寫(xiě)字母), such as n

7、ames of people and places, titles(標(biāo)題) of magazines, newspapers, stories and books, peoples titles(頭銜), etc.,Part I,global warming,From Graph1, we can see the temperature of the earth _ about _ degree Fahrenheit from 1860-2000. There is no doubt that _ ( see Graph 1) and that it is _that caused this

8、global warming.,Para 1,increased,the earth is becoming warmer.,one,human activity,Para 2,How does human activity cause the global warming ?,the burning of fossil fuels to produce energy,greenhouse gases,atmosphere,large quantities of extra carbon dioxide,(byproducts),going up of global temperature,D

9、oes carbon dioxide always bring harm to the earth?,No. It prevents the earth from becoming too cold.,Para 3-4,From Graph2, we can see the carbon dioxide in the atmosphere _ All the scientists accept the data and agree that it is _that has resulted in this increase in carbon dioxide.,How high will th

10、e temperature increase go?,went up from 315 parts to around 370 parts per million,the burning of more and more fossil fuels,As high as 5 degrees,Para 5,The attitudes of scientists towards this rise are completely different.,Dr. Janice Foster,George Hambley,The trend which increases the temperature b

11、y 5 degrees would be a catastrophe,We should not worry about the high levels of carbon dioxide ,negative,positive,rise of sea level storms floods droughts,plants grow quicker crops produce more a greater range of animals,on the one hand, . on the other hand,Para 6:,The author probably agrees that _

12、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.,What is the writers attitude towards the effects of global warming? A. positive

13、B. objective C. negative,What methods did the writer use to make his argument more convincing ?,Charles Keeling found that between these years the carbon dioxide in the atmosphere went up from around 315 parts to around 370 parts per million.,Dr. Janice Foster explains: “There is a natural phenomeno

14、n .causing the global temperature to go up.”,2 graphS,data,scientists discoveries,quotes,All scientists subscribe to the view that the increase in the,agree with,scientists opinion,Help me, help you, help everyone. Return GREEN to the earth!,Help me, help you, help everyone. Return GREEN to the earth!,Homework :Writing,Recently, I want to turn to low-carbon lifestyle ,would you please offer me some suggestions to help me do better?,clothing 2.driving 3.