Unit 3 Reading and Thinking （ppt课件） (5)-2022新人教版（2019）《高中英语》选择性必修第三册.pptx

1、Unit3 Environmental ProtectionReading and thinkingQuestion timesQ1.Whats happening in the photo?Q2.Where do you think this photo was taken?Q3.What does this photo make you think of?Large pieces of ice are breaking off a large glacier or ice sheet.Because of global warming/the greenhouse effect/risin

2、g global temperatures.Leading inQ.What happened to the polar bear in the video?ReadingQ1.What do you think might have caused the polar bears death?Q2.What is the graph about?What information can you get from it?global temperature changeRead the title and raise questions.What do you want to know base

3、d on the title and pictures?Read for the text typeQ1.Whats the type of this text?A.News report.B.Biography.C.Expository essay.D.Argumentation.Q2.Whats its purpose?A.To inform readers of climate change.B.To persuade readers to focus on climate change problem.The authors sometimes use some graphs or d

4、iagrams in their essays in order to convince their readers.These graphs and diagrams often come from scientific research reports and other reliable resources.Read for structureFind out the topic sentence of each paragraph.Paras.1&2Para.3Para.4Para.5Expository EssayproblemcauseconsequencesolutionsPar

5、t 1 problemQ.What evidence of climate change can you find in the first paragraph?a warming ocean and atmosphere melting ice rising sea levelsclimate changestarvationlonger food-seeking travellack of foodlow sea-ice levelThe following reasons account for the death of the polar bear,with one influenci

6、ng another.Read paragraph 2 and put them in a correct logical order.What is the root cause?Cause and effectPart 2 causeQ.How the greenhouse effect works in natural and man-made situations?greenhouse effectnatural greenhouse effectkeeping Earths climate warm and habitableman-made greenhouse effectcau

7、sing Earths surface temperature to rise quicklyPart 2 causeWhat are the consequences of high greenhouse gas emissions?A:High greenhouse gas emissions lead to more heat energy being trapped in the atmosphere and rising temperatures.Read paragraph 3 and create a diagram describing how the greenhouse e

8、ffect works.Heat released back into spaceHeat reflected back to Earths surfaceReflected sunlightAtmosphere Sunlight Diagrams 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

9、 about scientific issues,you can try drawing a diagram,which will not only allow you to visualise the problems more clearly but also can help demonstrate your creative thinking and problem-solving.Part 3 consequenceQ1.What are the consequences of the global temperature rise?Q2.Why did the author men

10、tion the climate scientists warning?The rise in the temperatureextreme weather&natural disastersserious damage,costing human livesextreme rainstorms,heatwavesled toresultsexamplesBecause global warming needs everyones attention and it is essential that we take appropriate actions.Part 4 solutionssol

11、utionsgovernmentsmake policiestake appropriate actions and measuresindividualsreduce our“carbon footprint”byeducate everyone about global warmingdiscussWhat will you do to help?discussWhat will you do to help?choose energy-efficient productsshare your knowledgesort the garbagereduce,reuse and recycl

12、etake public transportplant more trees1.climate changes2.There is little doubt that.3.along with4.provide evidence5.a dramatic change para 11.气候变化气候变化2.毫无疑问毫无疑问.3.和；连同和；连同4.提供证据提供证据5.一个巨大的变化一个巨大的变化1.be shocked by2.appear to do=seem to do 3.in order to do.4.the alarming case5.have an impact/effect/in

13、fluence on6.travel greater distances1.被被.震惊震惊2.似乎似乎3.目的是目的是4.令人震惊的案例令人震惊的案例5.对对.产生影响产生影响6.跑更远的距离跑更远的距离 para 2para31.global average surface temperature2.a key climate process3.greenhouse effect4.man-made5.refer to(referred-referring)reference6.as short-wave radiation7.release.into.8.keep earths clima

14、te warm and habitable9.sustain life10.huge amounts of11.be trapped in 1.全球平均表面温度全球平均表面温度2.一个关键气候过程一个关键气候过程3.温室效应温室效应4.人造的人造的5.指的是指的是6.以短波辐射的形式以短波辐射的形式7.释放到释放到8.地球温度保持温暖并适于居住地球温度保持温暖并适于居住9.维持生命维持生命10.大量的大量的11.被困在被困在1.strong and comprehensive evidence2.extreme weather3.natural disasters4.cause damage5

15、.cost human lives6.take appropriate action7.the warming trend8.frequently broadcast9.extreme rainstorms and heatwaves10.economic lossesPara41.充分且全面的证据充分且全面的证据2.极端天气极端天气3.自然灾害自然灾害4.造成损害造成损害5.造成生命损失造成生命损失6.采取适当的行动采取适当的行动7.变暖的趋势变暖的趋势8.频繁地报道频繁地报道9.极端暴雨和热浪极端暴雨和热浪10.经济损失经济损失Para.51.result in=lead to=contr

16、ibute to=result from v.as a result of =because of=due to=2.consider making policies3.take appropriate action/measures/steps4.restrict the amount of carbon dioxide5.It is our responsibility to do take responsibility for doing6.seize the opportunity to do（seize sb.by the+n.）7.deal with climate change（tackle/work out/address/handle）1.导致，导致，由由.造成造成由于由于2.考虑制定政策考虑制定政策3.采取适当的行动采取适当的行动4.限制二氧化碳的量限制二氧化碳的量6.抓住机会做某事抓住机会做某事7.处理处理