Unit+2+Extended+reading 高中英语牛津译林版（2020）选修第二册.pptx

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1、U2 extended readingGlobal warming:islands in hot waterIntroduction Para.1:Introducing the topic of global warmingMain body Paras.23:The devastating(1)_ brought by global warmingParas.45:The(2)_ taken by islanders to surviveConclusionPara.6:Calling on people to fix the problem of(3)_ togetherRead the

2、 article and complete the following table.Readingclimate changechangesmeasuresReading Read Paragraph 1 and answer the following questions.(2)From whose perspective is it presented and what is its effect?The tides are getting higher and storms are getting worse.The islands in the Pacific,especially l

3、ow-lying coral ones,are suffering from the serious effects of global warming.It is presented from the perspective of the islanders.The striking facts observed by the islanders can form a vivid picture in readers mind,which can evoke readers concern for the problem and lead to the topic directly.Besi

4、des,it can make the ideas in the article authentic and convincing.(1)What are the sad facts described in this paragraph?What are the changes caused by rising sea levels?ReadingFirst of all,at high tide,water moves further inland to flow into houses and over roads.Beaches or even whole islands are di

5、sappearing.Whats more,increasing sea levels contaminate the islands freshwater supplies.Besides,growing sea levels interfere with some islands natural reshaping processes.Read Paragraph 2 and answer the following question.(1)In what other ways do climbing global temperatures bring devastating change

6、s?Reading Extreme temperatures generate extreme rainfall patterns.This can lead to crop failure and reduced freshwater reserves.This can also result in precious soil and homes being washed away by the floods.Additionally,stronger and more frequent annual tropical cyclones cause more severe flooding

7、and landslides.What is more,many coral reefs are dying and the islanders food supply decreases.Read Paragraph 3 and answer the following questions.(2)How does global warming result in the decrease of the islanders food?Fill in the chart below.Reading Ocean warms.(1)_ _ Fish move away.(2)_ _ Coral re

8、efs are dying.The islanders have less to eat.Read Paragraph 4 and fill in the table.Reading ActionsPurposes Build sea walls from old bits of coral reefs(1)_ _(2)_ To hold onto soilPlant mangrove trees(3)_(4)_To keep the damaging salt away from their cropsTo protect their homes from flooding and stor

9、m surges Cut down fewer trees Grow crops in containers and find crops that do not mind salty waterTo protect the coastal areas(1)Where do the islanders have to move?(2)Why do the islanders have to move away from their homes?ReadingMost islanders do not want to leave,but with the ocean moving in,they

10、 feel they have no choice.Read Paragraph 5 and answer the following questions.Some of them move up into the hills,while others are looking for homes on new islands,or even in new countries.What message does the author want to convey?Reading We are living in a human community with a shared future.The

11、 crisis of the islands is the crisis of the whole world,from which no one can escape.Faced with the problem of climate change,everyone should shoulder their own responsibilities.Actually,no matter what natural or social problems arise,we have to work together to fix them.Only with joint efforts can

12、we build a better future together.Read Paragraph 6 and answer the following question.Read Paragraph 1 and analyse the rhetorical device used in the following sentence.And they wonderis their world about to change?(Page 25,Lines 34)AppreciationThis is a rhetorical question.A rhetorical question is a

13、question that requires no reply,either because the answer is obvious or because the person asking the question already knows the answer.Rhetorical questions are generally used to draw a contrast,persuade readers,make them think,or direct their attention to an important topic.In the above sentence,th

14、e author uses the rhetorical question to attract the readers attention and lead them to think about the problem of climate change.Read Paragraph 2 and discuss the function of the first sentence.As global temperatures increase,so do sea levels.(Page 25,Line 6)AppreciationThe first sentence is a trans

15、itional sentence.“As global temperatures increase”links the first paragraph,and“so do sea levels”leads to the topic of sea level rising due to global warming.Discuss the writing techniques in Paragraphs 23 and fill in the table below.AppreciationParagraphsTechniquesSentencesPara.2(1)_Scientists expe

16、ct levels worldwide may rise by 0.6 to 1.1 metres or more by 2100 if the planet continues to warm.five of the Solomon Islands have already vanished beneath the waves since 1947!Para.3 Giving examples(2)_ _ Providing figures For example,on the hilly Cook Islands,storms have given rise to landslides t

17、hat carry islanders homes down the hillsides.Read the sentences in Paragraph 4 and discuss their effects.They are working with scientists and learning to protect their homes from flooding and storm surges by building sea walls from old bits of coral reefs.They are cutting down fewer trees,since tree

18、s hold onto soil.They are also planting mangrove trees to protect the coastal areas.To keep the damaging salt away from their crops,they are growing crops in containers.They are looking for crops that do not mind salty water.(Page 26,Lines 3338)AppreciationIn the above sentences,the sentence structu

19、re“they are doing.”is repeated to elaborate on the different efforts the islanders are making to fight climate change.The repeated sentence structure emphasizes that the islanders have no choice but to fight climate change to survive.Pay attention to the following sentence in paragraph 6 and discuss

20、 its function.Change one,change all.(Page 26,Line 52)AppreciationIt is an elliptical sentence.The complete form is“If we change one,we will change all.”The elliptical sentence is straightforward,concise,persuasive and powerful.It can better encourage readers to realize we are living in a human community with a shared future and we must work together to make the world a better place for future generations.