Unit 3 Reading and Thinking -ppt课件 --(2022)高中英语新人教版选择性必修第三册.pptx

1、Reading and Thinking To discuss climate change To learn to identify the style of this text and infer the writers purpose To learn to draw a diagram To think about how we can do to deal with climate change Frustration is growing among many residents on Australias east coast over slow relief and recov

2、ery efforts following the worst flooding on record,which has left at least 18 people dead,thousands homeless and many more missing.Towns and cities in northern New South Wales,the countrys most populous state,and the southeast corner of the neighboring state of Queensland have been inundated by mudd

3、y brown water.Brisbane,the capital of Queensland,is experiencing severe flooding for the third time since 1974.What causes the climate change?What are the solutions to stop climate change?Read for genre1.What kind of reading passage is it?2.What is authors purpose?To arouse our awareness of the prob

4、lem of the rise of temperature and taking proper actions to address the global warming.Expository writing.Use a diagram or graph to describe a process in a clearer way.The author tries to explain an issue in a scientific and objective way.Climate change requires the worlds attentionClimate change re

5、quires the worlds attentionClimate change requires the worlds Climate change requires the worlds attentionattention1.What is the graph about?What information you get from it?2.What might be the story behind it?The graph shows the change in the Global Surface Temperature between 1920 and 2016.It show

6、s the temperature anomaly,which shows how much the temperature has risen.The story is that the polar bear starved to death because it could not find enough to eat.Read for the structure and main ideaRead for the structure and main ideaPara 1Para 2Para 1Para 2Part1 Main idea:The evidence of a dramati

7、c change that had an impact on Earths ecology.Dead polar bear in Norways Arctic island of Svalbard A warming ocean and atmosphere along with melting ice and rising sea levels A graph showing rising global temperature Readingthe 1st and 2nd paragraphEvidence of climate change 3 2Evidence 1What eviden

8、ce of climate change can you find?What evidence of climate change can you find?Para 3Main idea:The cause of the increase in the global average surface temperature.Part 2 People produce huge amounts of extra greenhouse gases by burning fossil fuels.Heat from the sun enters the atmosphere and warms Ea

9、rths surface as short-wave radiation.the 3rd paragraphThe cause of rise in temperature.A big problemDefinitionman-made keeping Earths climate warm and habitable FunctionDefinitionnaturalMore heat energy is trapped in the atmosphere and causes Earths surface temperature to rise quickly.Para 4Main ide

10、a:The consequences of the rise in temperature.Part 3 Examples:News reports are frequently broadcast about extreme rainstorms and heatwaves causing deaths and economic losses.This warming trend will probably continue.an increase in extreme weather and natural disasters worldwide,causing serious damag

11、e and costing of human lives 3 2Consequences 1the 4th paragraphNegative effects of rise in global temperatureWhat consequences of the global temperature rise?What consequences of the global temperature rise?Para 5Main idea:The solutions to reducing greenhouse gas emissions.Part 4 Individuals:reduce

12、our“carbon footprint”The government:making policies and taking appropriate actions and measures The attention and awareness of everyone 3 2Solutions 1the 5th paragraphSolutions to the environmental problems The structure of this expository writingPart1 Part 2 Part 3 Part 4 The evidenceThe causeThe c

13、onsequencesThe solutionsNatural/Man-madeExtreme weatherNatural disastersIndividuals GovernmentRead for thinkingRead for thinking(P2)Why did the writer write about the polar bear?Because it showed one of the effects of rising temperatures due to climate change.Read for thinking(P3)Why is the“natural”

14、greenhouse effect important and necessary?Because it warms the Earths surface and keeps it habitable.Draw a diagram to show how the greenhouse effect works Read for thinking(P4)Why did the author mention the climate scientists warning?Because it is essential that we take action and so it needs to be

15、 brought to everyones attention.What policies can the government make to reduce What policies can the government make to reduce greenhouse gas emissions?greenhouse gas emissions?How can individual reduce carbon footprint?How can individual reduce carbon footprint?Why is a question left at the end?Wh

16、y is a question left at the end?Discussion Read for thinking（P5）Read for thinking（P1P5）What is the authors purpose of writing this text?The purpose is to inform the reader and inspire them to do whatever they can to deal with this problem.Complex sentencesComplex sentences1.2.3.4.What examples of extreme weather and disasters do you know?Make a list of them.Who should take responsibility to address this climate change?What should you do to do to tackle it?