Unit 3 Environmental Protection 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、Unit 3 ENVIRONMENTAL PROTECTION010102020303By reading,explain causes and negative effects of global warming.By teamwork,present how to solve the problem of global warming in groups.Be aware of the importance of cutting greenhouse gases and take effective action to do it.By the end of the class,you w

2、ill be able toWhat do you know about global warming?The effects are destructive as follows:1.The sea level to rise.2.Severe storms,droughts,famines,the spread of diseases,and destruction of species.3.Wide animals died because of starvation.4.Forest fire occurs frequently because of the extreme hot w

3、eather.1.What is the graph about?What information can you get from it?The graph is about the change of global Surface temperature.It shows us that the global temperatureis rising steadily and continuously.2.What happened in the picture?Do you know what caused it?A polar bear was dead and it is“skin

4、and bones.”The ice is melting on the mountain.Global warming causes the melting of iceberg and some polar bears Suffer from the lack of food.Read the text and sum up the main idea of each paragraph:01 01 0202030304040505Global climate is changing dramatically.An alarming case about a bear starved to

5、 death.What is causing the increase in the global average surface temperature The destruction of the rise in temperature and the warning.Further possible changes to the global climate and our duty.Read the text and answer the questions:1.What is the evidence of global warming?2.Why is the“natural”gr

6、eenhouse effect important and necessary?3.What are the consequence of high greenhouse gas emissions?4.Why did the author mention the climate scientists warning?5.What is the authors purpose of writing the text?Read the text and answer the questions:1.What is the evidence of global warming?Warming oc

7、ean and atmosphere;melting and rising sea level;the starved polar animals;the extreme weather and natural disasters.2.Why is the“natural”greenhouse effect important and necessary?Because greenhouse gases trap heat and keeps the earth warm and habitable.3.What are the consequence of high greenhouse g

8、as emissions?People produce huge amounts of extra greenhouse gases and more heat energy is trapped,causing the temperature to go up.4.Why did the author mention the climate scientists warning?Because the writer wants to warn us of the urgency of taking appropriate actions to tackle the issue.5.What

9、is the authors purpose of writing the text?To arouse our awareness of the problem of the rise of temperature and taking proper actions to address the global warming.Read the text again and create a diagram describing how the greenhouse effect works.Diagrams are very useful tools that can be used to

10、brainstorm idea,map out processes,show cause and effect relationships,explain a new idea of concept,and so on.When you read an essay about scientific issues,you can try drawing a diagram,which will not only allow you to visualize the problems more clearly but also can help demonstrate your creative

11、thinking and problem-solving.1 1.What examples of extreme weather and disasters do you know?Make a list of them.2.Do you think it is human activity that caused global climate change?Give your reasons?3.Who should take responsibility to address this climate change?What should you do to do to tackle i

12、t?1.What examples of extreme weather and disasters do you know?Make a list of them.Tsunami,floods,landslides,sandstorms,thunderstorms,earthquakes,hail,hot waves,cold waves,typhoons,tornados,hail.2.Do you think it is human activity that caused global climate change?Give your reasons?3.Who should take

13、 responsibility to address this climate change?Yes.Human beings burn too much fossil fuels and produce large quantities of carbon dioxide,causing the temperature to go up steadily.It is everyones duty to take care of the earth and do our part to tackle global warming.What you should do to do to tack

14、le it?What you should do to do to tackle it?What you should do to do to tackle it?What you should do to do to tackle it?What you should do to do to tackle it?What you should do to do to tackle it?Climate is rising.EvidencedamagesPotential further changescauseswarningactions to tackle the issue Words

15、 and Expressions1 1.graph 图表图表/曲线图曲线图 diagram 几何图解几何图解/示意图示意图 table 列表列表/一览表一览表2.emission n.排放物排放物;散发物散发物;排放排放 pl：emissions emit v.发出发出;射出射出;散发散发 同义短语：同义短语：give off/out 发出发出(光光,热热,气体）气体）3.melt (melted)融化融化,软化软化 a melting pot of different nationalities:多民族的大熔炉多民族的大熔炉4.starve vi.&vt.(使使)挨饿挨饿;饿死饿死 n.st

16、arvation (be)starve(d)to death：饿死：饿死 eg:A number of children in Africa _(starve)to death over the past few yearshave(been)starved seal5.seal n.海豹海豹/印章印章 v.密封密封 eg：He broke the wax seal and unrolled the paper.6.ecology n.生态生态;生态学生态学 ecologist 生态学家生态学家 biology n.生物学生物学;生态学生态学 biologist 生物学家生物学家 psycho

17、logy n.心理学 psychologist n7.release vt.&n.排放排放;释放释放;发布发布 set.free 释放释放 issue u v.宣布宣布/公布公布 n.;争论的问题争论的问题;热点热点 release harmful gases release a prisoner/release information 1.On the peak,she burst into tears,_(release)all her emotions.2.When fuel is burning,it _a lot of heat.3.Once_(release),the new ed

18、ition of the dictionary will be popular.releasingwill releasereleased8.habitable adj.适合居住的适合居住的habitat n.(动植物的动植物的)栖息地栖息地 habit n.习惯习惯;癖好癖好Eg:1.Some areas of the country are too cold to be habitable.2.I dont think that the earth is the only habitable planet.sustain vt.维持维持;支撑支撑;遭受遭受;承受住承受住,证实，证实，adj

19、.sustainable 可持续的可持续的写出下列句子中划线单词的汉语译意:1.They found it difficult to 1.They found it difficult to sustainsustain the the weight of fruit.weight of fruit.2.These facts 2.These facts sustainsustain the theory.the theory.3.The company 3.The company sustainedsustained losses of millions losses of millions

20、 of dollars.of dollars.4.Mary consider it challenging to 4.Mary consider it challenging to sustainsustain an interest in their talk.an interest in their talk.支撑支撑证实证实遭受遭受保持保持 fossil16.fuel n.燃料；刺激性言行 add fuel to the fire/flames:火上浇油 eg:Research suggests warm colours fuel our prehensive adj.全部的;所有的；c

21、omprehension n.理解力18.restrict v.限制 restricted adj 受限的 restriction n.限制(法规,约束)restrict.to.把.限制在.restrict oneself to.限制自己在.import/export/speed/travel restrictions 翻译下列句子：1.1.长裙限制了她的活动。长裙限制了她的活动。Long dress restricted her movements.2.2.我爸爸控制自己每天吸我爸爸控制自己每天吸1010根烟。根烟。My father restricted himself to 10 cig

22、arettes a day.3.3.镇里限速镇里限速30km/h.30km/h.The speed is restricted to 30 mph in towns.19.seize v.抓住;夺取;控制catch/get/grab/take/seize hold of.:抓住抓住seize/catch/hold sb+by the leg(hand,arm):抓抓住某人的腿住某人的腿/手手/胳膊胳膊20.reform vt 改革；改革；(使使)改正；改造改正；改造 Our company_ (reform)its promoting system by the end of last yea

23、r.had reformedhad reformed写出句子中划线单词的含义写出句子中划线单词的含义.1.The teacher thought she could reform the boy.2.We should try to reform prisoners through labour rather than punish them.3.The reforms should give a better chance to the students in the countryside.4.Great changes have taken place in China since it

24、 began the reform and opening-up policy.改变改变改造改造改革改革(制度制度/政策政策)改革开放政策改革开放政策21.undergo nd:underwent-undergone vt.经经历历;经受经受(变变化化/不不快等快等)尤指经历坎坷尤指经历坎坷,变化或不愉快的事情变化或不愉快的事情,也也可指接受测试、可指接受测试、培训等培训等experience:v.经历经历;感受感受 (强调亲身经历或体验某事物强调亲身经历或体验某事物)go through.:经历经历;遭受遭受suffer from.:受害受害于于.;患患(病病)1.The boss thin

25、k it important for employees _ (undergo)some career trainingto undergoto undergo22.implement vt.实施 n.工具 carry out 实施 writing/cleaning implements implement changes/reforms/policies/decisions实实行变革行变革/实施改实施改革革/执行政策执行政策/执行决议执行决议23.harmonious adj.和谐的 adv.harmoniously n.harmony 和谐,融洽 be in harmony with.:与

26、与和谐和谐/协调协调/融洽融洽/和睦和睦 翻译：我妈妈要求我要和室友和谐相处翻译：我妈妈要求我要和室友和谐相处 My mother demanded that I(should)be in harmony with my roommates.24.moderate adj.适度的,中等的,温和的/v.理解下列划线单词的中文含义1.Contrary to popular belief,moderate exercise decreases your appetite.2.The boy is a student of only moderate ability.3.By evening,the

27、wind had moderated slightly.4.We hope that they will take a moderate position on most of the key issues.适度的适度的中等的中等的温和的温和的中立的中立的25.submit v.递交,呈递,屈服 submitted/submitted submit an application/a claim/complaint submit sth to sb 把某物交给某人 submit to doing/sth/sb 屈从/屈服于某事/物/人 1.In the end,the man_(submit)t

28、o the enemy.2.He gave up struggling for freedom,_(submit)to the reality.submittedsubmitting tropical forest in chaos26.chaos kes:n.混乱混乱;杂乱杂乱;紊乱紊乱economic/political chaos:经经济济/政治的混乱政治的混乱in chaos:混乱混乱;一片混乱一片混乱;乱七八糟乱七八糟27.on behalf of 代表代表 represent/stand for 代表代表,象征象征 翻译：我将代表公司签署这份文件翻译：我将代表公司签署这份文件I w

29、ill sign the document on behalf of my company.28.sensitive adj.敏感的,善解人意的 be sensitive to 对.敏感/体贴 be sensitive about 对.介意My teeth is very sensitive_cold foodThe young girl is rather sensitive_the appearance of her further husband.totoaboutabout29.originate 起源 origin n.起源/起点 original adj 原来的,最初的,原创的/n

30、.原稿,原创 originally adv.起初/原来.30.enterprise 公司/企业/进取心 翻译:他是一个积极进取的人 He is a man of great enterprise.31.restore v 恢复/复原 写出划线单词的中文含义1.Such kindness restore your faith in huaman nature.2.Urgent measures should be taken to restore the rivers original beauty.3.He is now fully restored to health.4.The army

31、has recently been brought in to restore order at the capital.恢复恢复(感受感受)使复原使复原(情况情况)重新采用重新采用(或实施或实施)康复康复32.conservation 对(环境,文物)保护;保持 conserve v.保护,节约 conserved adj.保守的33.disposal n.除掉 dispose v.清理,去除 at ones disposal 任某人处理34.inspection n.检查/查看 inspect v 检查,查看 inspector n.视察员 waterway35.tolerate tole

32、rate(ones/sb)doing sth tolerant adj.容忍的 tolerance n be tolerant of 容忍某人/物 翻译：新的环境让我无法忍受翻译：新的环境让我无法忍受 1.New surroundings were difficult to tolerant 2.I cant be tolerant of the new surroundings.1.starve vi.&vt.(使使)挨饿挨饿;饿死饿死An expert who has studied polar bears for many years said that from the positio

33、n of its dead body,the bear appeared to have starved and died.一位研究北极熊多年的专家说，一位研究北极熊多年的专家说，从北极熊尸体的从北极熊尸体的 位置来看，北极熊似乎是饿死的。位置来看，北极熊似乎是饿死的。【知识拓展】【知识拓展】(1)starve for渴望渴望,极想得到极想得到starve to death饿死饿死(2)starvationn.挨饿挨饿(3)starvingadj.极想的极想的,渴望的渴望的be starving for渴望得到某物渴望得到某物【巧学助记】【巧学助记】语境助记语境助记starveThe star

34、vation is still a very serious problem today.Its said that one in seven people in the world is starving.Fortunately,the UN has taken a lot of measures to protect them from being starved to death.今天饥饿仍然是一个非常严重的问题。据说世界上七分之一的人在挨饿。幸运今天饥饿仍然是一个非常严重的问题。据说世界上七分之一的人在挨饿。幸运的是的是,联合国已经采取了很多措施来保护他们免于饿死。联合国已经采取了很多

35、措施来保护他们免于饿死。【即学即练】【即学即练】语法填空。语法填空。(1)The lonely student is _(starve)for friendship.(2)We shall wait the enemy out,and watch them starve to _(die).(3)Since the famine broke out,the number of people dying of _(starve)has been increasing.starvingdeathstarvation2.sustain vt.维持维持；遭受遭受；承受住承受住Without this

36、process,Earth could not sustain.没有这个过程，地球也无法维持下没有这个过程，地球也无法维持下去。去。【知识拓展】【知识拓展】sustain an interest保持兴趣保持兴趣sustain losses遭受损失遭受损失sustain ones weight承受某人的体重承受某人的体重sustainable development可持续发展可持续发展【即学即练】【即学即练】(1)They had sufficient food to _.他们有足够的食物来维持生命。他们有足够的食物来维持生命。(2)_is a brand new idea of society

37、 development.可持续发展是一种全新的社会发展观。可持续发展是一种全新的社会发展观。sustain lifeSustainable development3.fuel n.燃料燃料；刺激性言行刺激性言行When people produce huge amounts of extra greenhouse gases by burning fossil fuels,more heat energy is trapped in the atmosphere and causes Earths surface temperature to rise quickly.当人们通过燃烧化石燃料

38、产生大量额外的温室气体的时，更多的热能被困在大气当人们通过燃烧化石燃料产生大量额外的温室气体的时，更多的热能被困在大气中，导致地球表面温度迅速上升。中，导致地球表面温度迅速上升。【知识拓展】【知识拓展】fossil fuel化石燃料化石燃料add fuel to the fire火上浇油火上浇油fuel ones interest in激起某人对激起某人对的兴趣的兴趣 【即学即练】【即学即练】(1)They are trying to find _for cars.他们正试图找一种更干净的汽车燃料。他们正试图找一种更干净的汽车燃料。(2)同义替换。同义替换。His experience aro

39、used(=_)his interest in becoming a chef.a cleaner fuelfueled【熟词生义】【熟词生义】How China has fueled the fashionable imagination for centuries?几个世纪以来，中国是如何激发时尚想象力的几个世纪以来，中国是如何激发时尚想象力的?v.启迪启迪,刺激刺激,煽动煽动4.trend n.趋势；趋势；趋向；动向趋向；动向Climate scientists have warned that if we do not take appropriate actions，this war

40、ming trend will probably continue and there will be a higher price to pay.气候科学家警告说，气候科学家警告说，如果我们不采取适当的行动，这种变暖趋势可能会继续下去，人类将付出更高的代价。如果我们不采取适当的行动，这种变暖趋势可能会继续下去，人类将付出更高的代价。【知识拓展】【知识拓展】the latest trend in的最新潮流的最新潮流fashion trends时尚潮流时尚潮流tend to do sth.倾向于做某事倾向于做某事【即学即练】【即学即练】(1)He always _one extreme to t

41、he other.他总是倾向于从一个极端走向另一个极端。他总是倾向于从一个极端走向另一个极端。(2)网上购物在印度成为一种新趋势。网上购物在印度成为一种新趋势。译译:_.tends to go fromOnline shopping is a new trend in India5.broadcast vt.&vi.播送播送；广播广播；传播传播 n.广播节目广播节目,电视节目电视节目 In fact,news reports are frequently broadcast about extreme rainstorms and heatwaves causing deaths and ec

42、onomic losses.事实上，有关特大暴雨事实上，有关特大暴雨和热浪造成死亡和经济损失的新闻报道经常播出。和热浪造成死亡和经济损失的新闻报道经常播出。【知识拓展】【知识拓展】radio broadcast无线电广播无线电广播the live broadcast of直播直播be broadcast live进行直播进行直播【即学即练】【即学即练】(1)Regular _began in 1920.常规的无线电广播始于常规的无线电广播始于1920年。年。(2)In addition,I hope the program _on Saturday evenings.此外此外,我希望这个节目能

43、在星期六晚上播出。我希望这个节目能在星期六晚上播出。radio broadcastswill be broadcast6.restrict vt.限制限制；限定限定；束缚束缚We as individuals can also reduce our“carbon footprint”by restricting the amount of carbon dioxide our lifestyles produce.我们作为个人也可以通过限制我们的生活方式产我们作为个人也可以通过限制我们的生活方式产生的二氧化碳的数量来减少我们的生的二氧化碳的数量来减少我们的“碳足迹碳足迹”。【知识拓展】【知识拓

44、展】restrict the number of限制限制的数量的数量restrict oneself to限制自己限制自己(to是介词是介词)without restriction没有限制没有限制【即学即练】【即学即练】语法填空。语法填空。(1)Her diet restricts her _ 1,500 calories a day.(2)Jan 23:Wuhan declared temporary outbound(向外的向外的)traffic _(restrict).(3)Mr Smith has a limited income _different goods he can buy

45、.史密斯先生的收入有限史密斯先生的收入有限,这就限制了他能买的各种商品的数量。这就限制了他能买的各种商品的数量。torestrictionswhich restricts the number of7.seize vt.抓住抓住；夺取夺取；控制控制It is our responsibility to seize every opportunity to educate everyone about global warming,along with its causes and impacts,because this is the most serious issue affecting

46、all of us on this planet.我们有责任抓住每一个机会，向每一个人宣传全球变暖及其原因我们有责任抓住每一个机会，向每一个人宣传全球变暖及其原因和影响，因为这是影响我们地球上所有人的最严重问题。和影响，因为这是影响我们地球上所有人的最严重问题。【知识拓展】【知识拓展】seize the opportunity/chance抓住机遇抓住机遇/机会机会seize the power夺取政权夺取政权【熟词生义】【熟词生义】Although he had read the passage over and over again,he didnt seize its general i

47、dea.虽然他读了一遍又一遍，但还是没有虽然他读了一遍又一遍，但还是没有理解理解大意。大意。()vt.理解理解,领会领会【即学即练】【即学即练】(1)Suddenly,a tall man driving a golden carriage _(seize)the girl and took her away,disappearing into the woods.(2)You should _,or you will be regretful.你应该抓住这次出国学习的机会你应该抓住这次出国学习的机会,否则你会后悔的。否则你会后悔的。seizedseize the opportunity to

48、 study abroad8.There is little doubt that Earth is getting warmer and warmer.毫无疑问毫无疑问,地球正变得越来越暖和。地球正变得越来越暖和。【句式解构】【句式解构】there is little/no doubt that.毫无疑问毫无疑问,that引导的是同位语从句。引导的是同位语从句。There is no doubt that to realize a goal,one needs not only knowledge but also good personalities.毫无疑问，要实现一个目标，不仅需要知识

49、，还需要良好的毫无疑问，要实现一个目标，不仅需要知识，还需要良好的性格。性格。There is no denying that students should learn something about how computers work.不可否认，学生应该学习计算机是如何工作的。不可否认，学生应该学习计算机是如何工作的。【名师点津】【名师点津】“there is no/little+抽象名词抽象名词+that.”是存在句是存在句,其中其中there不能换成不能换成it。【即学即练【即学即练】语法填空。语法填空。(1)At present,there is little doubt _ th

50、e short message plays an increasingly important role in our lives.(2)毫无疑问毫无疑问,看电视会影响人们的行为举止。看电视会影响人们的行为举止。译译:_thatThere is no doubt that watching television can influence the way that peoplebehave.You can click here to add You can click here to add what you want to addt.It what you want to addt.It i