Unit 3 Readingand Thinking ppt课件(001)-（2019版）新人教版选择性必修第三册高中英语.ppt

1、二氧化碳二氧化碳graphemission melt starve seal ecology release methane carbon dioxide carbon dioxiden.n.图图; ;图表图表; ;曲线图曲线图n.n.排放物排放物; ;散发物散发物; ;排放排放vi. &vt.vi. &vt.( (使使) )融化融化; ;熔化熔化; ;软化软化vi. &vt.vi. &vt.( (使使) )挨饿挨饿; ;饿死饿死n.n.海豹海豹n.n.生态生态; ;生态学生态学vt.&n.vt.&n.排放排放; ;释放释放; ;发布发布n.n.甲烷甲烷; ;沼气沼气n.n.碳碳n.n.二氧化

2、物二氧化物habitable sustain sustainable fossil fuel fossil fuel comprehensive worldwideadj.适合居住的适合居住的vt.维持维持;遭受遭受;承受住承受住adj.可持续的可持续的;合理利用的合理利用的n.化石化石n.燃料燃料;刺激性言行刺激性言行化石燃料化石燃料(如煤或石油如煤或石油) adj.全部的全部的;所有的所有的;详尽的详尽的adv.遍及全球地遍及全球地adj.世界各地的世界各地的;影响全世界的影响全世界的trend frequently broadcast policyfootprint restrict r

3、estriction seize n.趋势趋势;趋向趋向;动向动向adv.频繁地频繁地;经常经常vt. & vi.( broadcast, broadcast /broadcasted )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n.政策政策;方针方针;原则原则n.足迹足迹; (某物所占的某物所占的)空间量空间量;面积面积vt.限制限制;限定限定;束缚束缚n.限制规定限制规定;限制法规限制法规;约束约束vt.抓住抓住:夺取夺取;控制控制basin penguinreform undergo implementharmonious moderate submit n.流域

4、流域; ;盆地盆地; ;盆盆n.企鹅企鹅vi.& vt.改革改革; (; (使使) )改正改正; ;改造改造n.改革改革; ;变革变革; ;改良改良v.( (underwent, undergone ) )经历经历; ;经受经受( (变化、变化、不快等不快等) )vt. 使生效使生效; ;贯彻贯彻; ;执行执行adj.和谐的和谐的adj.适度的适度的; ;中等的中等的; ;温和的温和的vi.&vt.缓缓和和; ;使适中使适中vt. & vi.提交提交; ;呈递呈递; ;屈服屈服annual tropicalchaos on behalf of nuclear sensitive jungle

5、smog originate volumeadj.每年的每年的; - -年的年的 n.年刊年刊;年鉴年鉴. adj.热带的热带的;来自热带的来自热带的n.混乱混乱;杂乱杂乱;紊乱紊乱代表代表(代替代替)某人某人adj.原子能的原子能的;核能的核能的;原子核的原子核的adj.敏感的敏感的;善解人意的善解人意的;灵敏的灵敏的n.(热带热带)丛林丛林;密林密林n.烟雾烟雾(烟与雾混合的空气污染物烟与雾混合的空气污染物)vi. & vt.起源起源;发源发源;创立创立n.量量;体积体积; (成套书籍中的成套书籍中的)一卷一卷garbage enterprise restore conservation

6、dozen.dozens of regulation disposalinspection finen.垃圾垃圾;废物废物n.公司公司;企业企业;事业事业vt.恢复恢复;使复原使复原;修复修复n.对对(环境、文物等环境、文物等)保护保护;保持保持n.(- )打打;十二个十二个.许多许多;很多很多 n.章程章程;规章制度规章制度n.去掉去掉;清除清除;处理处理n.检查检查;查看查看;视察视察vt. 对对.处以罚款处以罚款campaign waterway tolerate agenda Norway Svalbard Hurricane Katrina n.运动运动;战役战役vi. & vt.参

7、加运动参加运动;领导运动领导运动n.水道水道;航道航道vt.忍受忍受;包容包容;容许容许n.议程表议程表;议事日程议事日程挪威挪威( (北欧国家北欧国家) )斯瓦尔巴群岛斯瓦尔巴群岛( (挪威挪威) )飓风卡特里娜飓风卡特里娜1. What can you see in the picture?2. What does the picture make you think about and how does it make you feel?Look & discussUnit 3 Environment Protection1 I can see a bear is on the melt

8、ing ice . 2 The earth is getting warmer and warmer and the ice is melting.It makes me worried about the changing of the climate. .1 What is the graph about? What information can you get from it?2 Have you ever seen the photo before? What might be the story behind it ?Discuss climate changeBefore you

9、 read, look at the graph and the picture below and discuss these questions in groups.3.What is the graph about? What information can you get from it?The graph shows the temperature increase between 1920 to 2016. Earth is getting warmer and warmer. The polar bear was skin and bones. The bear appeared

10、 to have starved and died.CLIMATE CHANGE REQUIRES THE WORLDS ATTENTIONBefore you read, look at the picture do you know what is about ? Skim the title: Environmental ProtectionA.The earth. B. Protecting the environment C. The bear is dying. Skimming2.This article is from _.A. An environmental magazin

11、e. B. A diaryC. A novel D. A storySkim : Para. 1Para. 2Para. 3-4Para. 5 Read and finish the tasks as quickly as possible.Task 1What happened to the polar bear in the photo? Why did the writer write about it?The polar bear was found dead and all that remained was just “skin and bones”. The writer wan

12、ts to arouse our awareness of climate change.Task 2Why is the “natural” greenhouse effect important and necessary?Greenhouse gases in the atmosphere trap some of the heat, keeping Earths climate warm and habitable. Without this process, Earth could not sustain life.Task 3What are the consequences of

13、 high greenhouse gas emissions?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.Task 4Why did the author mention the climate scientists warning?Giving more supportin

14、g details.Task 5What is the authors purpose of writing this text?To show us how serious the globle warming is and arouse our greater awearness of environmental protection. What is the main topic?Climate change.What happened during 20th century?The temperature of the earth rose, the Earth is wamer an

15、d warmer.Careful readingIntroduction of global warming. 2. _1. _(2-4)How global warming comes about?the burning of fossil fuels human activityCarbon dioxideMethaneWhat are the greenhouse gases?1.2.Whether people should do something about global warming?(5)Governments: making policies and taking appr

16、opriate actions and measures to reduce greenhouse gas emissions.We individuals: reducing our carbon footprint by restricting the amount of carbon dioxide our lifestyles produce. How greenhouse effect works.Global warmingGreenhouse gases trapped the heat from the sun, which causes the temperature of

17、earth goes up. analysing, mindmap, summary, retelling1. The “natural” greenhouse effect refers to the fact that heat from the sun enters the atmosphere and warms Earths surface as short-wave radiation. “自自然然”温室效应是指来自太阳的热量以短波辐射的形温室效应是指来自太阳的热量以短波辐射的形式进入大气层，使地球表面变暖。式进入大气层，使地球表面变暖。此句此句that引导的是同位语从句，对前面的

18、抽象名词引导的是同位语从句，对前面的抽象名词fact作作解释说明，而并非定语从句。解释说明，而并非定语从句。1. The news that our team has won the game was true. 我们队赢了那场比赛的消息是真的我们队赢了那场比赛的消息是真的?2. The news that he told me yesterday was true.昨日他告诉我的那个消息是真的昨日他告诉我的那个消息是真的?试比较：试比较：(同位语从句，补充说明同位语从句，补充说明news到底是一个什么消息到底是一个什么消息)(定语从句，定语从句，news在从句中作在从句中作told的宾语的宾

19、语)2. 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 all of us on this planet. 我们有责任抓住每一个机会我们有责任抓住每一个机会，教育每个人了解全教育每个人了解全球变暖及其原因和影响，因为这是影响地球上所球变暖及其原因和影响，因为这是影响地球上所有人的最严重的问

20、题有人的最严重的问题。此句为避免头重脚轻，采用it作为本句的形式主语，而把真正的主语放在句子末尾，即to.ABA: We shall do something about global warming.B: We shall do nothing about global warming. Turn electrical appliances off when not using them. Put on more clothes, dont turn up the heat. Walk or ride a bike, dont drive. Recycle cans, bottles, pl

21、astic bags and newspapers. Buy things made from recycled materials. Buy products that use less energy. Plant trees. Talk with family and friends about global warming.1.对对.有影响有影响2.参考；涉及参考；涉及3.导致导致4.抓住机会抓住机会5.连同连同.一起一起have an impact onrefer tolead to/ result inseize opportunity along withTranslate the

22、 sentences into English, using the words and phrases in brackets.1. 一位著名探险家于一位著名探险家于1925年在亚马孙丛林里失踪年在亚马孙丛林里失踪. (jungle)2. 面对公众的压力，广告公司为广告中的错误信息道了面对公众的压力，广告公司为广告中的错误信息道了歉。歉。(in response to)1.A famous explorer went missing in the Amazon Jungle in 1925.2. Faced with public pressure, the Agency made an a

23、pology in response to the wrong information in the ads.Translate the sentences into English, using the words and phrases in brackets.3. 他代表公司员工在会上发了言。他代表公司员工在会上发了言。(on behalf of)4. 我们应该掌握主动权，采取一系列政策和措施来我们应该掌握主动权，采取一系列政策和措施来减少空气污染。减少空气污染。(seize the initiative, policy)3. He spoke at the meeting on beh

24、alf of the companys employees.4. We should seize the initiative to adopt a series of policies and measures to reduce air pollution.1. What is greenhouse effect?2. What examples of extreme weather and disasters do you know? Can you make a list?Self-evaluation各个击破Writing an summary of the passage in about 100 words.