高中英语Unit 4 Global warmingreading课件 新课标 人教 必修6.ppt

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1、ReadingThe Earth Is The Earth Is Becoming Warmer Becoming Warmer But Does It Matter?But Does It Matter?2021/8/11 星期三1Fast Reading1.Glance at the 1.Glance at the text and answer text and answer the question.the question.2021/8/11 星期三2It has a title,a first paragraph that runs across the page and is i

2、n bold,the main text in two columns,graphs/diagrams,two quotes.What is the structure of a magazine like this and how is the text organized?2021/8/11 星期三3Fast Reading2.Read the text 2.Read the text fast and answer fast and answer the questions on the questions on page 27page 272021/8/11 星期三4Sophie Ar

3、mstrong wrote the magazine article.The name of the magazine is“Earth care”.2.What are the names of the three scientists mentioned in the article?They are Dr.Janice Foster,Charles Keeling and George Hambley.1.Who write the magazine article?What is the name of the magazine?2021/8/11 星期三53.What do they

4、 think about global warming?Do they agree with one another?They dont agree with each other.Some think the effects will be terrible,while some others believe that we should not worry about it.Dr.Janice Foster thinks the effects of global warming could be very serious.George Hambley thinks global warm

5、ing will be mild with few bad environment consequences.2021/8/11 星期三64.What are the two graphs about?Graph 1 shows the temperature increase of one degree Fahrenheit between 1860 to 2000.5.What is the main topic of the article?Global warming/The warming of the earth.Graph 2 is about the carbon dioxid

6、e content in the atmosphere from 1957 to 1997.2021/8/11 星期三72.Choices1.Who found out the amount of carbon dioxide in the atmosphere from 1957 to 1977?A.Dr.Janice Foster.B.Charles Keeling.C.George Hambley.D.Sophie Armstrong.2021/8/11 星期三82.But there are some very different attitudes among scientists

7、towards this issue.”“issue here means the same as the one in_.A.I bought the new stamp the day of its issue.B.They are talking about one of the key issues in the election campaign.C.The government is expected to issue a statement about the election.D.The magazine has 12 issues each year.2021/8/11 星期

8、三93.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.2021/8/11 星期三103.Yes or no?1.Does Sophie Armstro

9、ng support a clear opinion?2.Does George Hambley believe that we should worry much about the global warming?No.he doesnt state it clearly.No,he doesnt.2021/8/11 星期三11True or falseRead the article Read the article carefully and carefully and finish Part 2 on finish Part 2 on page 27page 272021/8/11 星

10、期三121.The temperature last century didnt increase much.2.Everyone believes that global warming is caused by the activities of humans.3.Janice Foster believes that global warming is caused by burning fossil fuels.4.Natural gas is a greenhouse gas.5.Carbon dioxide is a byproduct of burning fossil fuel

11、s.F F T F T2021/8/11 星期三136.People accept Charles Keelings data because he took accurate measurements.7.Flooding could be one of the effects of future global warming.8.George Hambley believes scientists are just guessing about the effects of global warming.9.George Hambley is worried about the effec

12、ts of carbon dioxide on plant growth10.It is clear what the effects of global warming will be.T T T F F2021/8/11 星期三141.How has the global warming come about?2.What are the effects of global warming?Careful Reading1.Read the text again and answer the questions.2021/8/11 星期三151.How has the global war

13、ming come about?Human activity-burning of fossil fuels.Greenhouse effect-greenhouse gases-we need those gases.Huge quantities of extra carbon dioxide-from 1957 to 1997-from around 315 parts per million to around 370 parts per million.2021/8/11 星期三162.What are the effects of global warming?Encourage

14、a greater range of animals.The sea level to rise.Severe storms,droughts,famines,the spread of diseases,and destruction of species.Make plants grow faster.Crops will produce more.2021/8/11 星期三17The different ideas between Dr.Janice Foster&George Hambley Dr.Janice FosterGeorge HambleyCarbon dioxide ha

15、s caused the global temperature to _.An increase of five degrees would be a _ and could be _.More carbon dioxide is a _ thing,which makes crops _ and will encourage _.go upcatastrophe very seriouspositiveproducea greater range of animals2021/8/11 星期三181.What is the purpose of the paragraph that is i

16、n bold?To introduce the topic.To illustrate(阐述阐述)points by providing evidence.2.What are the diagrams for?Third Reading 2021/8/11 星期三193.Why are there two quotes?Because they are important or interesting points.Their aim is to attract your attention and to make you read them,and therefore to make yo

17、u interested enough to read the whole article.2021/8/11 星期三20It functions as a conclusion by asking the reader to reflect on the major theme of the text and to predict what might happen in the future.4.What is the purpose of the last paragraph of the article?2021/8/11 星期三21 main ideaPart1(para1)Intr

18、oduce a debate over the issue of global warmingPart 2(para2)Part 3(para3-8)Part 4(para9)Illustrate how global warming comes aboutList two different attitudes among scientists towards global warmingIts up to readers to think and decide whether people should do sth about global warming or not 4 parts2021/8/11 星期三22Assignment Prepare the language points of this passage and underline the important ones.After remembering the vocabulary,do the exercise on Page 28.2021/8/11 星期三232021/8/11 星期三24