Unit 3 Reading and Thinking (ppt课件) -2022新人教版（2019）《高中英语》选择性必修第三册.pptx

1、Reading and ThinkingUnit 3 Environmental ProtectionCLIMATE CHANGE REQUIRES THE WORLDS ATTENTION人教版 选择性必修三点击添加内容1.What can you see in the picture?2.What will happen if glaciers are melting faster than before?Lead-inWhat other consequences may global warming bring about?Global WarmingGlobal Warmingnat

2、ural disastersthe rise of the sea levelinsect outbreaksthreaten ecosystemsextreme weathereconomic lossescoastal cities submergedwildfires NASAs Terra satellite shows fires around the worldWildfires Brazils capital city of Rio De Janeiro is one of the cities in real danger of getting swallowed up by

3、the rising waters,and the population of 1.8 million knows it.Research says that just an increase of 3 degrees Celsius could flood and envelop the Copacabana Beach,even the Barra de Tijuca town nearby and the places airport.Coastal cities submergedInsects spread because of increased rainfall and elev

4、ated temperatures perfect conditions for them to breed and grow quickly.Insect outbreaksCLIMATE CHANGE REQUIRES THE WORLDS ATTENTIONWhat is the writing style?A.ExpositionB.Narration C.ArgumentationD.A news report Exposition:a full explanation of a theory,plan,etc.Read for the main ideasClimate chang

5、e requires the worlds attention Para.1 The _:The earth is getting _.Para.2 A(n)_:A polar bear starved to _ because of hunting no seals.Para.3 The _:The“_”.Para.4 The _:More extreme weather and natural _ worldwide.Para.5 The _:The global climate change requires the _ of people all over the world.prob

6、lem/phenomenon/present situation case/example reasons/causes consequences/danger/impactssolutions/measureswarmer and warmerdeathgreenhouse effectdisastersattentionPart 1.The problemPart 2.The causesPart 3.The consequencesPart 4.The solutionsa warming ocean and atmospheremelting icerising sea levelsW

7、hat evidence of climate change can you find in the first paragraph?Read for detailsPart 1(Para.1-2)The problem点击添加内容What is the graph about?What information can you get from it?increase sharplyincrease gradually/steadilyanomalyn./nmli/athing,situation,etc.thatisdifferentfromwhatisnormalorexpectedThe

8、 graph shows the changes of global surface temperature over the period from 1920 to 2016.点击添加内容What happened to the polar bear in the photo?The polar bear died of starvation.The writer wrote about it because it showed one of the effects of rising temperature due to climate change.Why did the writer

9、write about it?Can you use your own words to describe how climate change has influenced the polar bears life?点击添加内容climate changehad to travel greater distances to find foodbears couldnt hunt low sea-ice levelsits dead body foundstarved to deathCause and effectPut them in order.点击添加内容keep Earths cli

10、mate warm and habitable,sustain lifenatural greenhouse effectcausing earths surface temperature to rise quickly if too much heat energy is trappedman-made greenhouse effectGreenhouse effectPart 2(Para.3)The causesimportantA big problem点击添加内容The greenhouse effectThe greenhouse effect点击添加内容Draw a diag

11、ram describing how the greenhouse effect works.1.Visualise the problem more clearly.2.Demonstrate your creative thinking and problem-solving.Sunlight Reflected sunlight Heat reflected back to Earths surfaceHeat released back into spaceEarth AtmosphereWhat are the benefits of using diagrams?点击添加内容Wha

12、t are the consequences of the global temperature rise?The rise in temperatureextreme weather/natural disastersextreme rainstorms,heatwavesserious damage,costing human lives,deaths and economic lossesled toresultsexamplesPart 3(Para.4)The consequences点击添加内容Why did the author mention the climate scien

13、tists warning?Because global warming needs everyones attention and it is essential that we take appropriate actions.点击添加内容Part 4(Para.5)The solutionsGovernments Individuals Make policiesTake appropriate actions and measuresReduce our carbon footprint by restricting the amount of carbon dioxide our l

14、ifestyles produce Educate everyone about global warming,along with its causes and impactsWhat is a question left at the end?点击添加内容 Reduce,reuse and recycle Sort the garbage Plant more trees Take public transport What will you do to help?Discussion 点击添加内容Reduce your food waste.Buy products made with

15、recycled content.Take shorter showers.Share your knowledge!Continue to use greener transportation.Plant more trees wherever you can.Use water efficiently.We all contribute to climate change and can make a difference by changing our own behaviors.Choose energy-efficient products.Get involved.点击添加内容Wh

16、at writing techniques does the author use in the passage?Read for language features点击添加内容a grapha photoThe“natural greenhouse effect”refers to Without this process,earth could not sustain life.However,the“man-made greenhouse effect”has now become a big problem explanation,comparisonAn expert who has

17、 studied polar bears said thatAccording to the scientists who found Experts claim thatClimate scientists have warned that if wescientists and experts quotes点击添加内容So what will you do to help?raise a question at the end of the article for readers to think aboutGovernments need to consider making polic

18、ies and taking appropriate actions and measures We as individuals can also reduce our“carbon footprint”by.examplesWriting purposes:To inform readers of global warming,convince and inspire them to do whatever they can do to deal with this problem.点击添加内容Earth provides enough to satisfy every mans need

19、s,but not every mans greed.Mohandas K.GandhiCritical thinkingTo satisfy their greed,some people overexploit natural resources,hunt varieties of animals,occupy more land to build factories and extend cities unlimitedly,resulting in environmental destruction,ecological unbalance and resource exhaustio

20、n.Ultimately,we human beings will pay a terrible price.What is the difference between“needs”and“greed”?How do you understand the quote?Nature has evolved to provide enough to satisfy the basic needs of all living things.However,nature cannot provide enough to satisfy everyones greed,because greed is

21、 a desire that can never be satisfied.点击添加内容An interview A journalist from England is visiting Li Huas community.He/She is now interviewing Li Hua,a senior high school student.They are talking about the environmental problems in the community.The journalist:I am from England.May I ask you some quest

22、ions about the state of the environment in your community?Li Hua:Of courseThe journalist:What environmental problems does your community have?Li Hua:The journalist:What have residents done to solve the problem?Li Hua:The journalist:Who do you think should take responsibility for dealing with the pro

23、blem?What can you do to protect the environment?Li Hua:The journalist:Do you think climate change is the result of human activities?Give your reasons.Situation 1(with example answers):The journalist:I am from England.May I ask you some questions about the state of the environment in your community?L

24、i Hua:Of courseThe journalist:What environmental problems does your community have?Li Hua:一些居民经常随地扔垃圾。这种情况是如此的可怕，以至于很多一些居民经常随地扔垃圾。这种情况是如此的可怕，以至于很多人都无法忍受。人都无法忍受。The journalist:What have residents done to solve the problem?Li Hua:Some residents frequently drop garbage everywhere.The situation is so te

25、rrible that dozens of people cant tolerate it.一些居民强烈建议安装高清摄像头。一些居民强烈建议安装高清摄像头。那些乱扔垃圾的人应该被那些乱扔垃圾的人应该被罚款。有必要采取严格的措施和执行一些规定。罚款。有必要采取严格的措施和执行一些规定。Some residents strongly recommend that high definition camera should be installed.Those caught throwing garbage about should be fined.Its necessary to take st

26、rict measures and carry out some regulations.The journalist:Who do you think should take responsibility for dealing with the problem?What can you do to protect the environment?Li Hua:The journalist:Do you think climate change is the result of human activities?Give your reasons.Li Hua:The journalist:

27、Thank you so much.每个人都应该对自己的行为负责。就我个人而言，我更喜欢购买可回收每个人都应该对自己的行为负责。就我个人而言，我更喜欢购买可回收的产品。的产品。Every person should be responsible for their own behaviour.Personally,I prefer to buy the recycled products.我确实认为气候变化是人类活动的结果，因为大多数科学家也这么认为，我确实认为气候变化是人类活动的结果，因为大多数科学家也这么认为，而且全球气温随着全球排放和人口的增加而上升。而且全球气温随着全球排放和人口的增加而上升。I do think that climate change is the result of human activities because the majority of scientists also think so,and also because global temperatures have followed the rise in global emissions and population.Thank you!