选修6unit4reading-课件.ppt

1、Global warming Unit 4 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 0 9 8 7 6 5 4 3 2 1 0 5 4 3 2 1 0 1 0 : 9 8 7 6 5 4 3 2 1 0 two graphs, (图表） the main t

2、ext in two columns, ( 栏） The title-a question; , the paragraph on the top in bold （粗体）, . 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 temperature of the earth rose

3、 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 speaking, the paragraph on th

4、e top is a brief _ to the passage. It is called Editors Note. introduction Who does me refer to? A.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 global warming could be.

5、 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 it matter? happen Care

6、ful 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(大写字母), such as names of people and pla

7、ces, titles(标题) of magazines, newspapers, stories and books, peoples titles(头衔), etc. 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 global warming. Para 1 increa

8、sed 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 Does carbon dioxide always br

9、ing 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 the temperature increase go?

10、went up from 315 parts to around 370 parts per million 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 by 5 degrees would be a catastrophe We should not worry about the high

11、 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 _ A.actually global warming is good for man. B. we should do nothing abo

12、ut 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 B. objective C. negative What methods did the writer use to make his

13、 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 phenomenon .causing the global temperature to go up.” 2 graphS data scientist

14、s 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 lifestyl

15、e ,would you please offer me some suggestions to help me do better? 1. clothing 2.driving 3.eating 4.working 1）Firstly, why not. ? If you do this, . 2）Secondly, you should/can. In this way, . 3）Thirdly, it would be a good idea if. /By doing this, . Using linking words and reasons to make your suggestions logical( 有逻辑的).