人教新课标选修六-Unit-4-reading (2).ppt

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1、人教新人教新课标选修六修六-Unit-4-reading Is the whole world becoming Is the whole world becoming warmer and warmer?Why?warmer and warmer?Why?populationair pollutioncarbon dioxideAcid rainSpecies extinctionWater pollution We depend on energy to do many things in our daily lives.Make a list of the things that con

2、sume energy in your home,school or any other places.Warming upthings that use energy in our life heatingcomputer fridge television hairdryer camerathings that use energy in our life washing machine electromagnetic oven electric fanWhere does the energy come from?Energy sources:Renewable sources:Non-

3、renewable:Make a list of energy sources.renewable and non-renewable sources.energy sources that never run out.energy sources that will run out one day.Wind energy is used as power to produce electricity.Windmillswhere electricity is produced by burning coals.The coal power stationsin which oil is re

4、fined and made pure.The oil refineriesa facility designed to convert nuclear energy into electricity.A nuclear power plant on the roof of a house on a bright sunny day are used to collect solar energy,making your house warm or heating your water.Solar panelsare used to keep back water and raise its

5、level for irrigation or for producing electricity,etc.The Hydro-electric damsWhich energy sources on your list are renewable and which are non-renewable?Pair workSources of energy Renewable/non-renewablecoaloilnatural gaswind(wind power)sun(solar energy)uranium(nuclear energy)water(hydro-electric po

6、wer)plant waste(biomass energy)hot spring or geysersthe sea(tidal energy)non-renewablenon-renewablenon-renewablerenewablerenewablenon-renewablerenewablerenewablerenewablerenewablePre-readingWhat is the greenhouse made and used for?greenhousegreenhouseThey are made of They are made of glass and plant

7、s glass and plants can grow in it can grow in it when it is cold when it is cold outside.outside.How does it work?How does it work?The glass traps the heat from the sun,making the The glass traps the heat from the sun,making the The glass traps the heat from the sun,making the The glass traps the he

8、at from the sun,making the air warm so that plants can grow better.air warm so that plants can grow better.air warm so that plants can grow better.air warm so that plants can grow better.Greenhouse gases!Whats greenhouse gases effect?Greenhouse gases perform the same Greenhouse gases perform the sam

9、e Greenhouse gases perform the same Greenhouse gases perform the same function as the glass in a greenhouse -function as the glass in a greenhouse -function as the glass in a greenhouse -function as the glass in a greenhouse -They trap the heat of the sun and keep the They trap the heat of the sun a

10、nd keep the They trap the heat of the sun and keep the They trap the heat of the sun and keep the air surrounding the earth warm.air surrounding the earth warm.air surrounding the earth warm.air surrounding the earth warm.It is called the It is called the It is called the It is called the greenhouse

11、 greenhouse effecteffect.The Earth Is The Earth Is Becoming Warmer Becoming Warmer But Does It But Does It Matter?Matter?Fast ReadingFast ReadingGlance at the article and Glance at the article and answer these questions.answer these questions.Sophie Armstrong wrote the magazine article.The name of t

12、he magazine is“Earth care”.2.What are the names of the three 2.What are the names of the three scientists mentioned in the article?scientists mentioned in the article?They are Dr.Janice Foster,Charles Keeling and George Hambley.1.Who wrote the magazine article?1.Who wrote the magazine article?What i

13、s the name of the magazine?What is the name of the magazine?3.What do they think about global warming?3.What do they think about global warming?3.What do they think about global warming?3.What do they think about global warming?Do they agree with one another?Do they agree with one another?Do they ag

14、ree with one another?Do they agree with one another?There are some very different There are some very different attitudes among scientists towards attitudes among scientists towards this issue.this issue.Some think the effects will be Some think the effects will be terrible,while some others believe

15、 terrible,while some others believe that we should not worry about it.that we should not worry about it.4.What are the two graphs about?4.What are the two graphs about?Graph 1 shows the temperature increase of one degree Fahrenheit between 1860 to 2000.Graph 2 shows the carbon dioxide content in the

16、 atmosphere from 1957 to 1997.Graph 1:Graph 1:Graph 1:Graph 1:Graph 2:Graph 2:Graph 2:Graph 2:5.What is the main topic 5.What is the main topic of the article?of the article?Global warming/The warming of the earth.1.The temperature last century didnt increase much.1.The temperature last century didn

17、t increase much.2.Everyone believes that global warming is caused by the 2.Everyone believes that global warming is caused by the activities of humans.activities of humans.3.Janice Foster believes that global warming is caused 3.Janice Foster believes that global warming is caused by burning fossil

18、fuels.by burning fossil fuels.4.Natural gas is a greenhouse gas.4.Natural gas is a greenhouse gas.5.Carbon dioxide is a byproduct of burning fossil fuels.5.Carbon dioxide is a byproduct of burning fossil fuels.6.People accept Charles Keelings data because he took 6.People accept Charles Keelings dat

19、a because he took accurate measurements.accurate measurements.Read the article carefully.Tell true or Read the article carefully.Tell true or false.false.T TT TF FT TT TF FDetailed-Reading Detailed-Reading Read the article in details Read the article in details and finish the following and finish th

20、e following task.task.listening1.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.Listen to the reading passage and do some Listen to the reading passage and do some Listen to the reading passage a

21、nd do some Listen to the reading passage and do some choices.choices.choices.choices.2.But there are some very different 2.But there are some very different attitudes among scientists towards this attitudes among scientists towards this issueissue.”.”“issue here means the same as the one issue here

22、means the same as the one in_.in_.A.I bought the new stamp the day of its A.I bought the new stamp the day of its issueissue.B.They are talking about one of the key B.They are talking about one of the key issuesissues in the election campaign.in the election campaign.C.The government is expected to

23、C.The government is expected to issueissue a a statement about the election.statement about the election.D.The magazine has 12 D.The magazine has 12 issuesissues each year.each year.3.The author probably agrees that _A.actually global warming is good for man.B.we should do nothing about the global w

24、arming.C.catastrophes will happen if the globe keeps on warming.D.a lot remains to be found out about the effects of global warming.Questionnaires-I1.Does Sophie Armstrong support a clear opinion?2.Does George Hambley believe that we should worry much about the global warming?No.he doesnt state it c

25、learly.No.he doesnt state it clearly.No,he doesnt.No,he doesnt.3.How has the global warming come about?3.How has the global warming come about?3.How has the global warming come about?3.How has the global warming come about?Human activity-burning of fossil fuels.Human activity-burning of fossil fuels

26、.Human activity-burning of fossil fuels.Human activity-burning of fossil fuels.Greenhouse effect-greenhouse gases-Greenhouse effect-greenhouse gases-Greenhouse effect-greenhouse gases-Greenhouse effect-greenhouse gases-we need those gases.-we need those gases.-we need those gases.-we need those gase

27、s.Huge quantities of extra carbon dioxide-Huge quantities of extra carbon dioxide-Huge quantities of extra carbon dioxide-Huge quantities of extra carbon dioxide-from 1957 to 1997-from around 315 parts per from 1957 to 1997-from around 315 parts per from 1957 to 1997-from around 315 parts per from 1

28、957 to 1997-from around 315 parts per million to around 370 parts per million.million to around 370 parts per million.million to around 370 parts per million.million to around 370 parts per million.4.What are the effects of global warming?4.What are the effects of global warming?Encourage a greater

29、range of animals.Encourage a greater range of animals.Encourage a greater range of animals.Encourage a greater range of animals.The sea level to rise.The sea level to rise.The sea level to rise.The sea level to rise.Severe storms,droughts,famines,the Severe storms,droughts,famines,the Severe storms,

30、droughts,famines,the Severe storms,droughts,famines,the spread of diseases,and destruction of spread of diseases,and destruction of spread of diseases,and destruction of spread of diseases,and destruction of species.species.species.species.Make plants grow faster.Crops will Make plants grow faster.C

31、rops will Make plants grow faster.Crops will Make plants grow faster.Crops will produce more.produce more.produce more.produce more.main idea main ideaPart1 Part1 Part1 Part1(para1)(para1)(para1)(para1)Introduce a debate over the Introduce a debate over the issue of global warmingissue of global war

32、mingPart 2 Part 2 Part 2 Part 2(para2)(para2)(para2)(para2)Part 3 Part 3 Part 3 Part 3(para3-8)(para3-8)(para3-8)(para3-8)Part 4 Part 4 Part 4 Part 4(para9)(para9)(para9)(para9)Illustrate how global warming Illustrate how global warming comes aboutcomes aboutList two different attitudes List two dif

33、ferent attitudes among scientists towards among scientists towards global warmingglobal warmingIts up to readers to think and Its up to readers to think and decide whether people should do decide whether people should do sth about global warming or notsth about global warming or not 4 parts 4 parts1

34、.What is the purpose of the paragraph that is in bold?To introduce the topic.To illustrate(阐述阐述)points by providing evidence.2.What are the diagrams for?2.What are the diagrams for?Questionnaires-II3.Why are there two quotes?Because they are important or interesting points.Their aim is to attract yo

35、ur attention and to make you read them,and therefore to make you interested enough to read the whole article.It 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 4.What is the purp

36、ose of the last paragraph of the article?paragraph of the article?The different ideas between Dr.Janice Foster&George Hambley Dr.Janice FosterGeorge HambleyCarbon dioxide has caused the global temperature to _.An increase of five degrees would be a _ and could be _.More carbon dioxide is a _ thing,w

37、hich makes crops _ and will encourage _.go upgo upgo upgo upcatastrophecatastrophecatastrophecatastrophe very serious very serious very serious very seriouspositivepositivepositivepositiveproduceproduceproduceproducea greater range of a greater range of a greater range of a greater range of animalsa

38、nimalsanimalsanimalsHomework Homework Prepare the language points of Prepare the language points of this passage and underline the this passage and underline the important ones.important ones.Review the reading passage.Review the reading passage.Finish useful words and Finish useful words and expres

39、sions.expressions.What more things can you do?The minimum effort is also a kind of support.再小的力量也是一种支持。再小的力量也是一种支持。One world,one dream!Lets join hands to protect our home.人有了知识，就会具备各种分析能力，明辨是非的能力。所以我们要勤恳读书，广泛阅读，古人说“书中自有黄金屋。”通过阅读科技书籍，我们能丰富知识，培养逻辑思维能力；通过阅读文学作品，我们能提高文学鉴赏水平，培养文学情趣；通过阅读报刊，我们能增长见识，扩大自己的知识面。有许多书籍还能培养我们的道德情操，给我们巨大的精神力量，鼓舞我们前进。