【課件】Unit 3 Climate change Reading and thinking課件 高中英語(yǔ)人教版選擇性必修第三冊(cè)

1、 Reading and thinkingClimate Change Requires The Worlds AttentionLook and discuss1. Whats happening in the photo?2. Why did it happen? The ice is melting.Because of the greenhouse effect/global warming.What other influences of the global warming?the rise of sea leveldyinganimalscoastal cities submer

2、gednatural disastersextreme weathereconomic losses Other influences of the global warming Look at the graph below. What is it about? What information can you get from it?The earth is becoming warmer and warmer.What ? evidence/phenomenon/problem example/case causes consequences/influces solutionsThe

3、development of the blemexamplecausesinfluencessolutionsphenomenoncauseconsequencesolutionkspztrExpository writingEnergy released back into spaceHeat reflected back to planetReflected sunlightAtmosphere Sunlight Read paragraph 3 and create a diagram describing how the greenhouse effect wor

4、ks.P27 3Draw a diagramDiagrams are very useful tools that can be used to brainstorm ideas, map out processes, show cause and effect relationships, explain a new idea or concept, and so on. When you read an essay about scientific issues, you can try drawing a diagram, which will not only allow you to

5、 visualise the problems more clearly but also can help demonstrate your creative thinking and problem-solving.Read for thinkingPara 3: “natural”& “man-made” greenhouse effectDefinition:Heat from the sun enters the atmosphere and warms the Earths surface. Function:Keeping Earths warm and habitable.De

6、finition:People produce huge amounts of extra greenhouse gases.Function/A big problem:Causing Earths surface temperature to rise quickly.Read for thinkingWhy did the author mention the climate scientists warning?The rise in temperature led toextreme weather/ natural disasters exampleresultserious da

7、mage, costing human lives, economic lossesextreme rainstorms, heat wavesIt is essential that we take action to deal with the issueRead for thinkingWhat is the authors purpose of writing this text?The purpose is to inform the readers and inspire them to do whatever they can to deal with this problem.

8、To reduce our “carbon footprint”To educate everyone around usAs students, what can we do to live a “green” life?Give advice to your parents.Make a poster for school.Write a notice for the park.Write a letter to the government.The causesThe impactsThe solutionsThe present situation3. _has now become

9、a big problem. Huge amounts of extra greenhouse gases produced by burning fossil fuels cause 4. _.Governments need to consider 7. _ _ to reduce greenhouse gas emissions.We as individuals can 8. _by restricting the amount of carbon dioxide our lifestyles produce.The rise in temperature has led to 5.

10、_ _.News reports are frequently broadcast about extreme rainstorms and heatwaves 6. _.Task 4Retell the text according to the graphic organizer. The “man-made” greenhouse effect an increase in extreme weather and natural disasters worldwideEarth is getting 1. _. 2. _ provide evidence of a dramatic ch

11、ange in the global climate.warmer and warmer making policies and taking appropriate actions and measuresreduce our “carbon footprint” A warming ocean and atmosphere along with melting ice and rising sea levelsEarths surface temperature to rise quickly causing deaths and economic lossesPostersClimate

12、 change Evidence SolutionsCauses Concequeces governmentindividualsextreme weathernatural disastersGreenhouse effectnatural greenhouse effectman-made greenhouse effectPost thinking: mind-mapClimate changeAs we know, Earth is getting warmer and warmer, (1)_ results in melting ice and rising sea levels

13、. In 2013, a dead polar bear (2) _(find) on Norways Arctic island of Svalbard. Experts said that it was low sea-ice levels (3)_(cause) by climate change(4)_ killed the polar bear. Scientists often mention that the “man-made” greenhouse effect is a big problem. (5)_ rise in temperature has led to an

14、increase in extreme weather and natural disasters worldwide,(6)_(cause) serious damage and costing human lives. The further global warming resulted(7)_the continued greenhouse gas emissions(8)_(require) the attention of people all over the world. Governments need to make policies and take measures (

15、9) _(reduce) greenhouse gas emissions. As individuals, we should also reduce our “carbon footprint” by restricting the amount of carbon dioxide our (10)_(lifestyle) produce. whichwas foundcausedthatThecausingfromSummary requiresto reducelifestylesEarth provides enough to satisfy every mans needs, bu

16、t not every mans greed. Mohandas K. GandhiWhat is the difference between “needs” and “greed”?How do you understand the quote? How is it related to the theme of the unit?1melting ice2provide evidence of 3a dramatic change4skin and bones5trap the heat6sustain life7huge amounts of8fossil fuels9pay a high price Important phrases 正在融化的冰為提供依據(jù) / 證據(jù)急劇變化困住熱量皮包骨大量的化石燃料維系生命付出巨