高中英语_公开课_Unit_4_Global_warming_Book_6_Reading_课件_新人教版选修6

1、单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级*Unit 4energy sourcessolar energyoilcoalbiomass energynuclearenergyhydro-electric powerwind powernatural gaswave / tidalenergyRevision What are they? What are these buildings made of? Whats the use? greenhouse / glassA greenhouse is used for_, especially during _

2、weather.Pre-readingTurn to Pre-reading 1,Page 25.Read & answer. growing plantscold_ the heat from the sunkeeps it from _ the air upHow does 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 gase

3、s”.methanewater vaporcarbon dioxideGreenhousegases?carbon dioxideFossil Fuel(矿物燃料)coaloil gasglobal warming ?produceWhat do you think greenhouse gases do?Greenhouse gases _ the heat of the sun and therefore _ the earth.It is known as _.Nowadays our earth is becoming _.greenhouse effecttrapwarmwarmer

4、 and warmerThe earth is becoming warmer - ReadingPage 26Fast Reading Who wrote the magazine article? The name of the magazine? What are the names of the three scientists mentioned in the article? What is mainly discussed in the passage?Skimming 1. Who wrote the magazine article? The name of the maga

5、zine?2. What are the names of the three scientists mentioned in the article?Sophie Armstrong.Earth Care.Dr Janice Foster, Charles Keeling, George Hambley.Reading tips: In English, some nouns begin with a capital letter(大写字母), such as names of people and places, titles(标题) of magazines, newspapers, s

6、tories 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 global warming is.SkimmingReading tips skim the title

7、and Para 1: Title: THE EARTH IS BECOMING WARMER BUT DOES IT MATTER?Para 1: how has this come about and does it matter?difficult phrases and sentences1. There is no doubt that the earth is becoming warmer (see Graph 1) and that it is human activity that has caused this global warming rather than a ra

8、ndom but natural phenomenon. Para 22. All scientists subscribe to the view that the increase in the earths temperature is due to the burning of fossil fuels Para 33. They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide. Line 1, Par

9、a 51. What do Dr. Janice Foster and the scientist George Hambley think about the results of global warming? 2. Do they agree with one another?Read Para 6 carefully and find the needed information.Detailed ReadingDr. Janice Foster thinks the effects of global warming could be very serious.George Hamb

10、ley thinks global warming will be mild with few bad environmental consequences. They dont agree with each other. Para 6Does global warming matter?Positive effects Negative effects cause the sea level to risesevere stormsfloodsdroughtsfaminesthe spread of diseasesdisappearance of speciesPositive effe

11、cts Negative effects cause the sea level to risesevere stormsfloodsdroughtsfaminesthe spread of diseasesdisappearance of speciesPositive effects Negative effects make plants grow quickercrops will produce morea greater range of animalsmake life betterIdea-sharingWhat will global warming bring to us in your opinion? I think In my opinionIt will cause / make Assignment Write a short passage about th