人教版必修六Unit4GlobalWarmingreading

1、人教版必修六Unit4GlobalWarmingreading What are they? What are these buildings made of? Whats the use? greenhouse / glassA greenhouse is used for_, especially during _ weather.Pre-readingTurn to Pre-reading 1,Page 25.Read & answer. growing plantscold_ the heat from the sunkeeps it from _ the air upHow does

2、 a greenhouse work?trapfrom: keep sth in a place存住来自的trapsescapingheatsIn the atmosphere surrounding the earth there are gases, which are called “greenhouse gases.methane mi:enwater vaporcarbon dioxideGreenhousegases?What do you think greenhouse gases do?Greenhouse gases _ the heat of the sun and th

3、erefore _ the earth.It is known as _.Nowadays our earth is becoming _.greenhouse effecttrapwarmwarmer and warmerThe earth is becoming warmer - but does it matter?ReadingPage 26SkimmingSkim the body part(7 paras): Para. 1Para. 2-5IIIPara. 6IIIPara. 7IVIntroduction Body ConclusionMain idea of each par

4、t Part 1 (1)B. Introduce a debate over the issue of global warming. Part 2 (2-5) A. How global warming comes about. D. List two different attitudes among scientists towards global warming.C. Its up to readers to think and decide whether people should do something about global warming or not.Part 4 (

5、7)Part 3 (6)1.Who wrote the magazine article? 2.What is the name of the magazine? Part.I (1)Answer the questions.Sophie Armstrong.The name is Earth Care.Introduce a debate over the issue of global warming. Reading tips: In English, some nouns begin with a capital letter(大写字母), such as names of peopl

6、e and places, titles(标题) of magazines, newspapers, stories and books, peoples titles(头衔), etc.3.What is mainly discussed in the passage?A. What has caused the global warming and whether it matters.B. What effects of the global warming will be.C. How serious the global warming could be.D. What the gl

7、obal warming is.SkimmingReading 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?Part.II (2-5)How global warming comes about.Everyone believes that global warming is caused by the_. human activities2. _has cause

8、d the increase in carbon dioxide.A. The burning of more and more fossil fuels. B. The natural phenomenon.carbon dioxideFossil Fuel(矿物燃料)coaloil gas produceWhat are the two graphs about?Graph 1 shows the temperature difference (温度差异) from 1860 to 2000.Graph 2 shows the carbon dioxide content(二氧化碳含量)

9、in the atmosphere from 1957 to 1997.Graph 1:Graph 2:Part.II (2-5)How global warming comes about.The rise in carbon dioxide is causing a steady increase in temperature.burning fossil fuelsmore heat trapped result in byproduct process more CO2Global WarmingPart.III (6)List two different attitudes amon

10、g scientists towards global warming.Tip: You can know somebodys opinion through understanding hisor what he said. What do Dr. Janice Foster and the scientist George Hambley think about the results of global warming? Do they agree with one another? quotations(引言) Dr. Janice FosterGeorge HambleyCarbon

11、 dioxide has 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 _animals.go upcatastrophe very seriouspositiveproducea greater range ofThe different ideas between Dr. Janice Foster & Geor

12、ge HambleyDr. Janice Foster thinks the effects of global warming could be very serious.George Hambley thinks global warming will be mild with few bad environmental consequences. They dont agree with each other. Para 6Part4(7)DebateA : We shall do something about global warming.B: We shall do nothing

13、 about global warming.Does that mean we should do nothing? Or , are the risks too great?Does global warming matter?Positive effects Negative effects Summary This passage aims at showing us how global warming_. _has caused this global warming. It also introducestwo different _of scientists towards theincrea