【课件】Unit 3 Reading and Thinking 课件 2022-2023学年高中英语人教版选择性必修第三册.pptx

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1、Reading and ThinkingUnit 3 Environmental ProtectionCLIMATE CHANGE REQUIRES THE WORLDS ATTENTION人教版选择性必修三1.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 Warmingnatural disastersthe ris

2、e 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 the rising waters,and

3、 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 submergedInsectsspreadbecauseofincreasedrainfallandelevatedtemperaturesperfectcondi

4、tionsforthemtobreedandgrowquickly.Insect outbreaksCLIMATE CHANGE REQUIRES THE WORLDS ATTENTIONWhatisthewritingstyle?A.ExpositionB.NarrationC.ArgumentationD.AnewsreportExposition:a full explanation of a theory,plan,etc.Read for the main ideasClimate change requires the worlds attention Para.1 The _:T

5、he 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.problem/phenomenon/present situation case/example

6、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 levelsWhatevidenceofclimatechangecanyoufindinthefirst

7、paragraph?Read for detailsPart 1(Para.1-2)The problemWhat is the graph about?What information can you get from it?increase sharplyincrease gradually/steadilyanomalyn./nmli/athing,situation,etc.thatisdifferentfromwhatisnormalorexpectedThe graph shows the changes of global surface temperature over the

8、 period from 1920 to 2016.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 write about it?Can you use your own words to describe how climate cha

9、nge has influenced the polar bears life?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.keep Earths climate warm and habitable,sustain lifenatural greenhouse effectcausing earths surfa

10、ce temperature to rise quickly if too much heat energy is trappedman-made greenhouse effectGreenhouse effectPart 2(Para.3)The causesimportantA big problemThe greenhouse effectDraw a diagram describing how the greenhouse effect works.1.Visualise the problem more clearly.2.Demonstrate your creative th

11、inking and problem-solving.Sunlight Reflected sunlight Heat reflected back to Earths surfaceHeat released back into spaceEarth AtmosphereWhat are the benefits of using diagrams?What are the consequences of the global temperature rise?The rise in temperatureextreme weather/natural disastersextreme ra

12、instorms,heatwavesserious damage,costing human lives,deaths and economic lossesled toresultsexamplesPart 3(Para.4)The consequencesWhy did the author mention the climate scientists warning?Becauseglobalwarmingneedseveryonesattentionanditisessentialthatwetakeappropriateactions.Part 4(Para.5)The soluti

13、onsGovernments Individuals Make policiesTake appropriate actions and measuresReduce our carbon footprint by restricting the amount of carbon dioxide our lifestyles produce Educate everyone about global warming,along with its causes and impactsWhat is a question left at the end?Reduce,reuseandrecycle

14、 SortthegarbagePlantmoretreesTakepublictransportWhat will you do to help?Discussion Reduceyourfoodwaste.Buyproductsmadewithrecycledcontent.Takeshortershowers.Shareyourknowledge!Continuetousegreenertransportation.Plantmoretreeswhereveryoucan.Usewaterefficiently.We all contribute to climate change and

15、 can make a difference by changing our own behaviors.Chooseenergy-efficientproducts.Getinvolved.What writing techniques does the author use in the passage?Read for language featuresa grapha photoThe“natural greenhouse effect”refers to Without this process,earth could not sustain life.However,the“man

16、-made greenhouse effect”has now become a big problem explanation,comparisonAn expert who has studied polar bears said thatAccording to the scientists who found Experts claim thatClimate scientists have warned that if wescientists and experts quotesSo what will you do to help?raise a question at the

17、end of the article for readers to think aboutGovernments need to consider making policies 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 c

18、an do to deal with this problem.Earth provides enough to satisfy every mans needs,but not every mans greed.MohandasK.GandhiCritical thinkingTosatisfytheirgreed,somepeopleoverexploitnaturalresources,huntvarietiesofanimals,occupymorelandtobuildfactoriesandextendcitiesunlimitedly,resultinginenvironment

19、aldestruction,ecologicalunbalanceandresourceexhaustion.Ultimately,wehumanbeingswillpayaterribleprice.What is the difference between“needs”and“greed”?How do you understand the quote?Naturehasevolvedtoprovideenoughtosatisfythebasicneedsofalllivingthings.However,naturecannotprovideenoughtosatisfyeveryo

20、nesgreed,becausegreedisadesirethatcanneverbesatisfied.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:IamfromEngland.MayIaskyousomeque

21、stionsaboutthestateoftheenvironmentinyourcommunity?Li Hua:OfcourseThe journalist:Whatenvironmentalproblemsdoesyourcommunityhave?Li Hua:The journalist:Whathaveresidentsdonetosolvetheproblem?Li Hua:The journalist:Whodoyouthinkshouldtakeresponsibilityfordealingwiththeproblem?Whatcanyoudotoprotecttheenv

22、ironment?Li Hua:The journalist:Doyouthinkclimatechangeistheresultofhumanactivities?Giveyourreasons.Situation 1(with example answers):The journalist:IamfromEngland.MayIaskyousomequestionsaboutthestateoftheenvironmentinyourcommunity?Li Hua:OfcourseThe journalist:Whatenvironmentalproblemsdoesyourcommun

23、ityhave?Li Hua:一些居民经常随地扔垃圾。这种情况是如此的可怕，以至于很多人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。都无法忍受。The journalist:Whathaveresidentsdonetosolvetheproblem?Li Hua:Some residents frequently drop garbage everywhere.The situation is so terrible 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

24、垃圾的人应该被罚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。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 strict measures and carry out some regulations.The journalist:Whodoyouthinkshouldtak

25、eresponsibilityfordealingwiththeproblem?Whatcanyoudotoprotecttheenvironment?Li Hua:The journalist:Doyouthinkclimatechangeistheresultofhumanactivities?Giveyourreasons.Li Hua:The journalist:Thankyousomuch.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。产品。Every person should be resp

26、onsible 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!