Unit3 Reading and Thinking ppt课件 -（2022新）人教版高中英语选择性必修第三册 .pptx

1、 Reading and thinkingClimate Change Requires The Worlds Attention To discuss climate change. To learn to identify the style of this text and infer the writers purpose. To think about how we can do to deal with climate change.Look and discuss1. Whats happening in the photo?2. Why did it happen? The i

2、ce is melting.Because of the greenhouse effect/global warming.Earth provides enough to satisfy every mans needs, but 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?What other influ

3、ences of the global warming?the rise of sea leveldyinganimalscoastal cities submergednatural 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 ?Wh

4、o ?Part 1: evidence/phenomenon examplePart 2: causesPart 3: consequences/influcesPart 4: solutionsThe development of the passage.problemexamplereasonsinfluencessolutionsphenomenoncauseconsequencesolutionkspztrExpository writingRead for thinkingPara 3: “natural”& “man-made” greenhouse effectDefinitio

5、n:Heat from the sun enters the atmosphere and warms the Earths surface. Function:Keeping Earths warm and habitable.Definition: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 th

6、e climate scientists warning?The rise in temperature led to exampleresultIt 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

7、.u To reduce our “carbon footprint”u 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.PostersClimate change Evidence SolutionsCauses Concequeces government

8、individualsextreme 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. In 2013, a dead polar bear (2) _(find) on Norways Arc

9、tic 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 increase in extreme weather and natural disasters world

10、wide,(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 (9) _(reduce) greenhouse gas emissions. As individuals,

11、we should also reduce our “carbon footprint” by restricting the amount of carbon dioxide our (10)_(lifestyle) produce. whichwas foundcausedthatThecausingfromSummary requiresto reducelifestyles1melting ice2provide evidence of 3a dramatic change4skin and bones5trap the heat6sustain life7huge amounts of8fossil fuels9pay a high price Important phrases 正在融化的冰正在融化的冰为为提供依据提供依据 / / 证据证据急剧变化急剧变化困住热量困住热量皮包骨皮包骨大量的大量的化石燃料化石燃料维系生命维系生命付出巨大的代价付出巨大的代价10long-lasting changes11make policies 12seize the opportunity13cause and effect持久的变化持久的变化抓住机会抓住机会制定政策制定政策因果因果