人教版(新教材)高中英语选修3Unit 3　Environmental Protection优质学案：Reading and Thinking-Comprehending

1、UNIT 3单元主题语境：人与臼然环境保护ENVIRONMENTAL PROTECTIONEarth provides enough to satisfy every mans needs, but not every mans greed. Mohandas K. Gandhi 地球所提供的物质财富足以满足每个人的需求. 却缺乏以满足每个人的贪欲，一甘地类文赏读话题导入ENVIRONMENTAL PROTECTIONThe Road to DestructionWe know that cars are bad for us.But we all make excuses： The buse

2、s are terriblen ； The trains are always latev ； ”I haven t got time to walk. I m talking about myself, too.To be frank, ，m addicted1 to my鼠及how togive up, she told me five thingsUse your legs.In 2014, over 55% of car journeys were under eight kilometres.Instead of taking short car journeys, we could

3、 easily walk or cycle.Leg power can save your money, keep you fit and help you live longer.ReguIar exercise also cuts the risk2 of heart disease by 50%!Use public transport.Up to 90 people can travel in one bus, while the same number will need at least 18 cars.Sometimes it can take a little bit long

4、er, but so what? You can relax, read a book, talk to someone-who knows?Think before you go.Do you really have to go to that shopping centre on the other side of town? What about the shops around the corner? Before ypuset into vour car, think about whether you reallyjieed to make that ipurney.Share c

5、ars.If you really have to use a car, share journeys with someone else.It is much cheaper and kinder to the environment.Take action! We often think there is nothing we can do about the noise, pollution and danger of traffic.There is.If your street is full of heavy traffic, talk to your neighbours abo

6、ut it. Write to the papers.Go to the city government.Ask for a speed limit3.Do whichever of these things that suit you.Don t just sit around and complain4!All quite simple, isn t it? Five easy ways to improve our environment.Well, V m sony I have to finish this article, but T ve got to pick up my da

7、ughter from school at 4 pm.Then I ve got to drive to the supermarket to do the shopping.After that, I have to take my son to a party.The traffic is going to be horrible5, but what can I do?（节选自北师大版新教材选择性必修第一册UNIT 3）I词汇积累Iaddicted/Jdiktid/q的.上瘾的；入 了迷的risk /risk/ n.危险”.使冒危险；冒险做limit /limit/ vt.& n.限制，

8、限定complain/k3mplein/抱怨；诉苦；控告；发牢骚 ”.抱怨；诉说；抗议horrible /horabl/.毛骨悚然的；可怕的When I asked Jenny Trowe of Greenpeace for advice about how to give up, she told me five things.当我向绿色和平组织的珍妮托尔询问如何放弃开车时，她给了五条建议。句式分析 此句含有when引导的时间状语从句，从句中how to give up是“疑问词+不定 式”结构，作about的宾语。Before you get into your car, think ab

9、out whether you really need to make that journey. 在上车之前，想想你是否真的需要开车去那个地方。句式分析 此句含有before弓I导的时间状语从句，whether you really need to make that journey 是whether引导的宾语从句。Reading and Thinking-ComprehendingLearning Aims（学习目标）Learn some new words.Grasp the general idea of the passage.（重点难点）Learn some important s

10、entences.（重点难点）目标一语境识词读前清障阅读以下课文原句，写出黑体词汇的汉语意思目标一语境识词读前清障A warming ocean and atmosphere along with melting ice and rising sea levels provide evidence of a dramatic change in the global climate.融化的An expert who has studied polar bears for many years said that from the position of its dead body, the b

11、ear appeared to have starved and died.挨饿The heat is released back into space at longer wave lengths.释放Without this process, Earth could not sustain life.维持Climate scientists have warned that if we do not take appropriate actions, this warming trend will probably continue and there will be a higher p

12、rice to pay.趋势In fact, news reports are frequently broadcast about extreme rainstorms and heatwaves causing deaths and economic losses.频繁地 广播目标二精深阅读课文理解目标二精深阅读课文理解Taskl宏观架构整体理解I .Read the passage quickly and then fill in the blanks.The problem:The earth is getting 1 .warmer and wanner.Climate change

13、 requires the worlds attentionClimate change requires the worlds attentionThe reason:The B.greenhouse effectThe evidence:More extreme weather and naturald.disasters worldwide.The conclusion:The global climate change requires the 5.attention of people all over the world.II .The main idea of the passa

14、ge is that global warming has caused some disasters and we must pay attention to it.Task 2微观剖析细节把握From the second paragraph we can learn that .all the polar bears have died of starvationB the expert knows nothing about the polar bearthe polar bear couldn t find enough food because of climate changet

15、he polar bear liked travelling long distancesK答案cAccording to the passage, help(s) Earth sustain life.the natural greenhouse effectB the man-made greenhouse effectthe carbon dioxide released into the atmospheregreenhouse gases produced by peopleK答案1 AWhich of the following statements is TRUE accordi

16、ng to the passage?According to climate scientists, the warming trend will stop.B Extreme weather results from the rise in temperature.People should burn more fossil fuels.It is the government s responsibility to reduce greenhouse gas emissions.K答案I BWe can learn from the passage that .A. it doesn t

17、matter whether we pay attention to global warming or notB heat from the sun keeps Earth habitableC the rise in temperature doesn t affect people s life D. the rise in temperature only affects some animalsK答案BTask 3文本理解美句欣赏Read the passage carefully and find out the sentences to describe the mood of

18、shock.8卅读短文并 找出震惊心理描写的句子)In 2013, a lot of people were shocked by a news photo of a dead polar bea】 that was found on Norway s Aictic island of SvalbaidTask 4读后升华思维品质I .After reading the passage, please fill in the following blanks.There is little doubt that Earth is getting warmer and warmer.In 201

19、3, many people 1 .were shocked(shock) by a news photo of a dead polar bear which appeared to have starved and died.Experts claimed that low sea-ice levels 2.caused(cause) by climate change meant the bear could not hunt seals as before, so it had to travel greater distances 3.to find(find) food.Then

20、what is causing the increase in the global average surface temperature? Climate scientists often mention a key climate process called the “greenhouse effect“ ， 4.which has two common meanings： the “natural” greenhouse effect and the “man-made greenhouse effect.The “man-made” greenhouse effect has no

21、w become 5.a big problem.There is strong and comprehensive evidence 6.that the rise in temperature has led to an increase in extreme weather and natural disasters worldwide.In fact, news reports are 7,frequently(frequent) broadcast about extreme rainstorms and heatwaves 8.causing(cause) deaths and e

22、conomic losses.Continued 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.We as individuals can reduce our ucarbon footprint” by 9.restricting(restrict) the amount of carbon dioxide our lif

23、estyles produce.lt is our responsibility 10.to seize(seize) every opportunity to educate everyone about global warming.II .DiscussionDo you think climate change is the result of human activity? Give your reasons.Who do you think should take responsibility for dealing with climate change? What can we

24、 do?目标三长句难句拆分解读过去分词短语作定语q目标三长句难句拆分解读Experts claimed thal low sea-ice levels caused by climale Lthat引导的宾语从句change meant the bear could not hunt seals as before, so ithad to travel greater distances in order to find food.译文：专家称，气候变化导致的海冰面降低意味着北极熊不能像以前那样捕食海豹，于是它 只能长途跋涉去寻找食物。Climate scientists often mention a key climate process过去分词短语作定语called the “greenhouse effect”, which has two commonwhich引导的定语从句meanings: theunaturalgreenhouse effect and the man-made，greenhouse effect.译文：气候科学家常常会提到一个关键的气候过程“温室效应”；它有两个常见的含义: “天然”温室效应和“人造”温室效