人教版選修6Unit-4-Global-Warming--reading公開課獲獎課件

1、Unit 4 Global Warming前言Preface Energy is everywhere and it plays an important role in our daily life. Without energy, we wouldnt do anything. The Earth Is Becoming Warmer , but Does It Matter?ReadingPart1Part2Part3(1)(2-5)(6)A. How global warming comes about B. List two different attitudes towards g

2、lobal warmingPart4(7)D. Whether people should do something about global warming 1. Match the main idea of each partgivingexamples, using graphs and quotes(引言）giving examples, making contrastleaving a questionraising a questionC. Introduction of global warming 2. What does the passage mainly talk abo

3、ut?A. The cause of global warmingB. Two different attitudes towards global warmingC. It doesnt matter that the earth is becoming warmerD. Both A and B3. What is the writing style of the passage? Exposition（說明文）B. Argumentation（議論文）C. Narration(記敘文）5.This article is from _.A. An environmental magazin

4、e. B. A diaryC. A novel D. A story 1. Who writes this article?Sophie Armstrong of Earth Care2. What happened during 20th century?The temperature of the earth rose about one degreeCareful readingPart1(1)Introduction of global warming. 2. _1. _Part2(2-5)1. How global warming comes about?the burning of

5、 fossil fuels human activity1.Carbon dioxide2.Methane2. What are the Greenhouse gases?3.Water vapor They show that the _ and the_ have been increasing rapidly . 3. What do the two graphs show us?temperaturecarbon dioxide content4. Greenhouse effect _.A. is a natural phenomenon B. happens when theres

6、 too much carbon dioxide C. does great harm to human beingsD. makes life for human beings better5. Retell the process of global warmings cause.extracarbon dioxidegreenhouse gasestemperatureincrease fossil fuls Representative(代表人物)Two different attitudes towards global warmingPessimisticThe result co

7、uld be _.There may be a _ of several metres in the _.They predict severe storms_, droughts, famines, the spread of _, and the _of species.OptimisticThey predict any warming will be _ with few bad environmental _.Carbon dioxide is actually a _thing. It will make plants grow quicker; crops will produc

8、e more; it will encourage a greater _ of animals.Dr Janice FosterGeorge Hambleyvery seriousmildpositive sea levelrange risediseasesfloodsdisappearanceconsequences悲觀樂觀What does the last two questions in the last part imply? Read the last part and think the questions over.By asking the two questions a

9、t the end of the article, the writer implies that_.A. we should do nothing about global warmingB. we should not be too worried about global warming but we should do something8. The author probably agrees that _.A. actually global warming is good for manB. we should do nothing about the global warmin

10、gC. catastrophes will happen if the globe keeps on warmingD. a lot remains to be found out about the effects of global warmingLets live a low-carbon life！Retelling of the text There is no _ that the earth is becoming warmer and that it is _ that has caused this _ warming. All scientists _ to the vie

11、w that the increase in the atmosphere is _ to the burning of fossil fuels ,which has _ in the rise in carbon dioxide. However, scientists have different attitudes _ this rise. On one hand, Dr Janice Foster thinks that result would be _. On the other hand, those who are _ to this view believe that we

12、 should not worry too much. Does that mean we should do nothing?doubthuman activityglobalsubscribedue increasetowardsseriousopposedGlobal warming could be very serious We shall do something about global warming.Any warming could be mild. We shall do nothing about global warming. Discussion 1.（who do you agree with)George HambleyJanice FosterUseful expressionsI think be due toIn my opinion,it will cause /make /lead to/ result in/PersonallyAs far as Im concerned,be apposed to subscribe toplant treessolar pan