Unit 3 Environmental Protection 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、高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLEUNIT 3 ENVIRONMENTAL PROTECTION Reading and ThinkingReading and Thinking高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLEWhat consequences may the climate change cause?Lead inno habitatdroughtflood高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLEWhat consequences have you learnt?高中英语

2、 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLEBefore you read，look at the graph and the picture below and discuss these questions in groups.Activity 11What is the graph about?What information can you get from it?The graph shows the change in the Global Surface Temperature between 1920 and 2016.It shows the temp

3、erature anomaly，which shows how much the temperature has risen above what it would usually be at a base level.高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE2Have you ever seen the photo before?What might be the story behind it?I havent seen this photo，but I have seen photos like it.The story is that thepola

4、r bear starved to death because it could not find enough to eat.高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE1What happened to the polar bear in the photo?Why did the writer write about it?2Why is the“natural”greenhouse effect important and necessary?Read the text and answer the questions.Activity 2 The po

5、lar bear in the photo died of starvation.The writer wrote about it because it showed one of the effects of rising temperatures due to climate change.The“natural”greenhouse effect is important because it warms the Earths surface and keeps it habitable.高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE3What are t

6、he consequences of high greenhouse gas emissions?4Why did the author mention the climate scientists warning?5What is the authors purpose of writing this text?High greenhouse gas emissions lead to more heat energy being trapped in the atmosphere and rising temperatures.The author mentioned the climat

7、e scientists warning because it is essential that we take action and so it needs to be brought to everyones attention.The authors purpose is to inform the readers and inspire them to do whatever they can to deal with this problem.高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLECLIMATE CHANGE REQUIRES THE WORL

8、DS ATTENTIONText高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLECLIMATE CHANGE REQUIRES THE WORLDS ATTENTIONWe have known about climate change for decades.There is little doubt that Earth is getting warmer and warmer（see the graph）.A warming ocean and atmosphere along with melting ice and rising sea levels pr

9、ovide evidence of a dramatic change in the global climate.In 2013，a lot of people were shocked by a news photo of a dead polar bear that was found on Norways Arctic island of Svalbard.According to the scientists who found its dead body，all that remained of the polar bear was“skin and bones”.An exper

10、t who has studied polar bears for many years said that from the position of its dead body，the bear appeared to have starved and died.Experts claimed that low sea-ice levels caused by climate change meant the bear could not hunt seals as before，so it had to travel greater distances in order to find f

11、ood.This alarming case showed how the increase in temperature had an impact on Earths ecology.高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLEThen what is causing the increase in the global average surface temperature?Climate scientists often mention a key climate process called the“greenhouse effect”，which h

12、as two common meanings：the“natural”greenhouse effect and the“man-made”greenhouse effect.The“natural”greenhouse effect refers to the fact that heat from the sun enters the atmosphere and warms Earths surface as short-wave radiation.The heat is released back into space at longer wave lengths.Greenhous

13、e gases in the atmosphere，such as methane and carbon dioxide，trap some of the heat，keeping Earths climate warm and habitable.Without this process，Earth could not sustain life.However，the“man-made”greenhouse effect has now become a big problem.When people produce huge amounts of extra greenhouse gase

14、s by burning fossil fuels，more heat energy is trapped in the atmosphere and causes Earths surface temperature to rise quickly.There is strong and comprehensive evidence that the rise in temperature has led to an increase in extreme weather and natural disasters worldwide，not only causing serious dam

15、age，but also costing human lives.Climate scientists have warned that if we do not take appropriate actions，this warming trend will probably continue and there will be a higher price to pay.In fact，news reports are frequently broadcast about extreme rainstorms and heatwaves causing deaths and economi

16、c losses.高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLEContinued greenhouse gas emissions will result in further warming and long-lasting changes to the global climate.This requires the attention of people all over the world.Governments need to consider making policies and taking appropriate actions and mea

17、sures to reduce greenhouse gas emissions.We as individuals can also reduce our“carbon footprint”by restricting the amount of carbon dioxide our lifestyles produce.It is our responsibility to seize every opportunity to educate everyone about global warming，along with its causes and impacts，because th

18、is is the most serious issue affecting all of us on this planet.So what will you do to help?高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLEFind the main idea for each partPreparationPart 1(Para.1-2)Part 2(Para.3)Part 3(Para.4)Part 4(Para.5)The evidence of dramatic climate changethat had an impact on Earth ec

19、ologyThe causes of the increase in the global average surface temperatureThe consequences of the rise in temperatureThe solutions to reducing greenhouse gas emissions高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLEReadingClimate change Evidence SolutionsCauses Effects Greenhouse effectScan and finish the mind

20、 map 高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLERead the text again and create a diagram describing how the greenhouse effect works.Activity 3The greenhouseeffect高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLEDiscuss these questions in groups.1What examples of extreme weather and disasters do you know?Can you mak

21、e a list?2Do you think climate change is the result of human activity?Give your reasons.3Who do you think should take responsibility for dealing with climate change?What can we do?Activity 4There are sadly many examples of extreme weather and disasters I know of，such as the extremerainfall in France

22、 and the drought in East Africa in 2014.There were also heatwaves on nearly everycontinent due to climate change.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 emi

23、ssions and population.I think we all need to take responsibility for dealing with it.Individuals can change their behaviour and try to reduce their carbon footprint，while companies and governments can do the same on the larger scale.单击此处编辑母版标题样式2022-8-1317课文结构图解高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE

24、 阅读理解（根据课文内容选择正确答案）1.Whats the function of the first paragraph of the text?A.To introduce the topic.B.To tell us climate change has been known for decades.C.To show the evidence of climate change.D.To confirm that Earth is getting warmer and warmer.2.Why is the photo of a dead polar bear mentioned?A

25、.To describe how people were shocked.B.To show how global warming influenced Earths ecology.C.To study how the bear died.D.To explain why the bear was starved to death.课文预习自测高中英语 选择性必修第三册 UNIT 3 ENVIRONMENTAL PROTECTION单击此处编辑母版标题样式2022-8-1319高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE3.Whats the main ide

26、a of the third paragraph?A.How global warming has come about.B.The“greenhouse effect”has two common meanings.C.The“natural”greenhouse effect is more important than the“man-made”greenhouse effect.D.The“man-made”greenhouse effect has become a serious problem.4.Why does climate change require the world

27、s attention?A.The number of polar bears is smaller and smaller.B.News reports are often broadcast about extreme rainstorms and heatwaves causing deaths and losses.C.Governments can force people to reduce“carbon footprint”.D.It is affecting all of us on the planet and if it is left alone，we will pay

28、an even higher price.高中英语 选择性必修第三册 UNIT 3 ENVIRONMENTAL PROTECTION单击此处编辑母版标题样式2022-8-1320高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE 语法填空（根据课文内容和语法规则完成短文）There is little doubt 1_ Earth is getting warmer and warmer.In 2013，a lot of people 2_（shock）by a news photo of a dead polar bear 3_ appeared to have s

29、tarved and died.This 4_（alarm）case showed how the increase in temperature had 5_ impact on Earths ecology.Then what is causing the increase in the global average surface temperature?Climate scientists think the process“greenhouse effect”，makes it possible for Earth 6_（sustain）life.However，the“man-ma

30、de”greenhouse effect makes more heat energy 7_（trap）in the atmosphere and causes Earths surface temperature to rise quickly.The rise in temperature has led to an increase in extreme weather and natural 8_（disaster）worldwide.News reports are 9_（frequent）broadcast about extreme rainstorms and heatwave

31、s.This requires the attention of people all over the world.10_ is also our responsibility to seize every opportunity to educate everyone about global warming.thatwere shockedthat/whichalarminganto sustaintrappeddisastersfrequentlyIt高中英语 选择性必修第三册 UNIT 3 ENVIRONMENTAL PROTECTION单击此处编辑母版标题样式2022-8-1321

32、高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE 概要写作 阅读课文，根据其内容写一篇60 词左右的内容概要。One possible version:Its high time that the world should focus on climate change caused by global warming，which has had an effect on Earths ecology.（要点1）According to climate scientists，the“greenhouse effect”，including the“natural”g

33、reenhouse effect and the“man-made”greenhouse effect，makes it possible for Earth to sustain life，but extra“man-made”greenhouse gas causes the increase in temperature.（要点2）In turn，it results in climate change，sometimes doing severe damage.This issue is well worth the attention of people on the planet.

34、（要点 3）高中英语 选择性必修第三册 UNIT 3 ENVIRONMENTAL PROTECTION单击此处编辑母版标题样式2022-8-1322高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE核心词汇教材原句p.26.the bear appeared to have starved and died.这只熊似乎是饿死的。1 starve vi.&vt.（使）挨饿；饿死；缺乏 starve to death 饿死 be starving 感觉很饿，饿极了 be starved of/for 缺乏 The animals were left to starve t

35、o death.Who is to blame?动物们被活活饿死了。这该怪谁呢？词汇复现 Thanks to your food.Im starving!多亏了你的食物。我饿极了！词汇复现 The department has been starved of substantial resources.这个部门一直缺乏大量的资源。词汇复现【词语积累词语积累】starvation n.饥饿；挨饿；饿死die of/from starvation 饿死 搭配搭配题组练领悟方法高中英语 选择性必修第三册 UNIT 3 ENVIRONMENTAL PROTECTION单击此处编辑母版标题样式2022-

36、8-1323高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE单句语法填空单句语法填空（1）Theyll either die from the cold or starve _ death.（2）When will the dinner be ready?We _（starve）.（3）The poor kid is just starved _ attention.（4）He looks forward to the day when no one will die of _（starve）.完成句子完成句子（5）Many people _（饿死）after th

37、e earthquake as a result of the delay of the supplies.toare starvingof/forstarvationstarved to death高中英语 选择性必修第三册 UNIT 3 ENVIRONMENTAL PROTECTION单击此处编辑母版标题样式2022-8-1324高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE教材原句p.26 This alarming case showed how the increase in temperature had an impact on Earths eco

38、logy.这一令人震惊的案例表明，气温升高对地球生态产生了怎样的影响。2 have an impact on 对有影响；对造成影响There is no proof that French had an impact on the Chinese language.没有证据表明法语对汉语有影响。词汇复现 Cancer stem cells have an impact on the outcome of disease.癌症干细胞对疾病的结果有影响。词汇复现【词语积累词语积累】have an effect/influence on.对有影响高中英语 选择性必修第三册 UNIT 3 ENVIRO

39、NMENTAL PROTECTION单击此处编辑母版标题样式2022-8-1325高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE单句语法填空单句语法填空（1）Questions that lead them into emotional states will also have an impact _ their responses.（2）What the pregnant mother eats will have _ impact on the babys development.完成句子完成句子（3）词汇复现Whatever you do will _（对

40、有影响）society，so behave well.onanhave an impact/effect/influence on高中英语 选择性必修第三册 UNIT 3 ENVIRONMENTAL PROTECTION单击此处编辑母版标题样式2022-8-1326高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE教材原句p.26 The“natural”greenhouse effect refers to the fact that heat from the sun enters the atmosphere.“自然”温室效应指的是来自太阳的热量进入大气层 3

41、refer to（to 是介词）（1）指的是People who are likely to succeed refer to those who are ambitious.可能成功的人是指那些有抱负的人。词汇复现（2）提到，谈到 搭配：refer to.as.把称为 She referred to a strange solid in her report.她在报告中提到了一种奇怪的固体。词汇复现 The child referred to the colorful ribbon as rainbow.那个孩子把彩带称为彩虹。词汇复现（3）参考，查阅You can refer to the

42、 excellent mechanics notes if you want.如果你想的话，你可以参考优秀技工的笔记。词汇复现 Please refer to a dictionary to check the spelling.请查一下词典看看拼写是否正确。高中英语 选择性必修第三册 UNIT 3 ENVIRONMENTAL PROTECTION单击此处编辑母版标题样式2022-8-1327高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE【归纳拓展归纳拓展】（1）refer.to.把送交给（以求获得帮助等）（2）reference n.提及，涉及；查阅，参考；推荐

43、信in/with reference to 关于 for future reference 供日后参考高中英语 选择性必修第三册 UNIT 3 ENVIRONMENTAL PROTECTION单击此处编辑母版标题样式2022-8-1328高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE单句语法填空单句语法填空（1）We always refer to Ben _“a nice boy”.（2）While giving the English speech，one is not allowed to refer _ the notes.（3）Youd better w

44、rite down the phone number of that restaurant for further _（refer）.完成句子完成句子（4）The headmaster spoke at the meeting for nearly an hour without _（参考）his notes.（5）I promise not _（提到）this matter again.（6）I have nothing to say _（关于）the agreement.（7）English _（被称为）a universal language.astoreferencereferring

45、 toto refer toin/with reference tois referred to as高中英语 选择性必修第三册 UNIT 3 ENVIRONMENTAL PROTECTION单击此处编辑母版标题样式2022-8-1329高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE教材原句p.27 The heat is released back into space at longer wave lengths.热量以更长的波长释放回太空。4 release vt.&n.排放；释放；发布release a prisoner 释放囚犯a release fro

46、m prison 从狱中释放release a movie 发行影片the latest release 最新发行的产品In the foggy morning，the enemy released the workers from the awesome quarry.在雾蒙蒙的早晨，敌人把工人们从可怕的采石场里释放了出来。词汇复现 Police have released no further details about the accident in the harbour.关于在港口发生的事故，警方没有透露更多的细节。The new edition of the dictionary

47、with new idioms will be released later this month，as you anticipate.如你所料，新版成语词典将于本月晚些时候出版。词汇复现 高中英语 选择性必修第三册 UNIT 3 ENVIRONMENTAL PROTECTION单击此处编辑母版标题样式2022-8-1330高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE单句语法填空单句语法填空（1）The prisoner has served his sentence and _（release）tomorrow.（2）词汇复现On the peak，she b

48、urst into tears，_（release）all her emotions.完成句子完成句子（3）After the trainer was sure that the whale could look after itself，he _（把它放入大海）.（4）The mayor has （发表声明）explaining the reasons for his resignation.will be releasedreleasingreleased it into the seareleased a statement 高中英语 选择性必修第三册 UNIT 3 ENVIRONMEN

49、TAL PROTECTION单击此处编辑母版标题样式2022-8-1331高中英语 选择性必修第三册 UNIT 2 HEALTHY LIFESTYLE教材原句p.27 Without this process，Earth could not sustain life.如果没有这个过程，地球就无法维持生命。5 sustain vt.维持（生命、生存）；遭受；承受住The massive increase in spending failed to sustain his life when he became seriously ill.当他得了重病时，大量增加的开支没能维持他的生命。词汇复现

50、Anyhow，you couldnt let the company avoid sustaining losses of millions of dollars.无论如何，你不能让公司避免承受数百万美元的损失。词汇复现 to sustain damage/an injury/a defeat 遭受损失/受伤/遭到失败The ice will not sustain your weight.这冰承受不了你的体重。【词语积累词语积累】sustainable adj.可持续的；合理利用的sustainable economic growth 经济的可持续增长高中英语 选择性必修第三册 UNIT 3