高二英语人教版选修6 Unit4 Global warming warming up
1.Have you ever seen a greenhouse?
2.What is the greenhouse made and
used for?
A greenhouse is made of glass and is used for growing plants, especially (特
Renewable / non-renewable
non-renewable non-renewable non-renewable renewable renewable
oil coal
natural gas wind (wind power) sun (solar energy)
computer
Pre-reading
中央气象台:北方大旱与全球变暖有 关
来自农业部的消息，这次北方地区的大 范围持续气象干旱，已涉及12个省份，河 南、安徽、山东、河北、山西、陕西、甘 肃等主产区小麦受旱1.45亿亩，初步评估可 能会导致夏粮减产2%-2.5%。专家认为， 连续干旱事件并不是孤立的，而是全球气 候变暖大背景下极端气候事件增多、增强 的具体体现。造成这一现象的重要原因是 温室气体增加导致的全球变暖。
George Hambley
thinks global warming will be mild with few bad environmental consequences believes it is the burning of more and more fossil fuels that is resulting in a big increase in carbon dioxide.
Sophie Armstrong, Earth Care. Dr Janice Foster, Charles Keeling, George Hambley.
3. What do the three scientists think about global warming?
Dr. Janice Foster thinks the effects of globalm warming could be very serious（严重的）.
fridge stove washing machine
uranium (nuclear energy) water( hydroelectric) plant waste (biomass energy)
nonrenewable
renewable renewable
hot springs hair- (geothermal energy) renewable dryer the sea (tidal renewable energy)
4.What are the “greenhouse gases”?
5. What do you think greeect
Reading:
1.Who wrote the magazine article? What is the name of the magazine? 2.What are the names of the three scientists mentioned in the article?
5. What is the main topic of the article?
Global warming/ the warming of the earth.
Warming-up and Reading
Warming up
things that use energy
List
sources of energy renewable / non-renewable
windmills(风车)
a coal power station
an oil refinery
别，尤其)during cold weather.
3.How does the greenhouse work?
The air inside was warm because the glass traps(挡住，吸收) the heat from the sun and keeps it from escaping（逃跑）. This makes the greenhouse heat up（热量上升） and so the plants can grow throughout(在…期间) the cold period.
Charles Keeling
4. What are the two graphs about?
The first graph shows the temperature increase of one degree Fahrenheit between 1860 to 2000. The second graph shows the carbon dioxide content in the atmosphere from 1957 to 2000.
a nuclear power plant
solar panels
a hydro-electric dam
Sample lists
Things that use energy
lights heating television video recorder cars and buses
Sources of energy
人教版高中英语选修六 Unit4 Global warming-词汇篇(教师版)
人教版高中英语选修六 Unit4 Global warming-词汇篇（教师版）1.2.light1)n. 光,线,灯2)v.照亮,点燃He lit a match. 他划着了一根火柴。
A smile of triumph lit up her face. 她的脸上闪耀着胜利的微笑。
The match lights easily. 这火柴容易划着3)adjThe suitcase is very light.（轻的）There was a light rain falling.He is a light sleeper. 他睡不沉。
（易醒的）3.heat v. / heat up 是某物变热或变暖heated adj. 热的激烈的heated debate, heated discussionheatedly adv.愤怒地激昂地heater加热器发热器4.consume v.---- consumer (n.).1)消耗,花费;耗尽She consumed most of her time in reading.2)吃完,喝光The kids soon consumed all the food on the table. 孩子们一会儿功夫便把桌上的食品全部吃光。
3)使全神贯注,使着迷+withThe boy was consumed with curiosity. 那男孩充满好奇心。
5.as … as one can = as … as possiblePlease come here as soon as possible.= Please come here as soon as you can..as many as 多达as long as 长达,只要as far as远至,就…而论as well as 和…一样好,也,和as early as 早在6.trap vt. / n. 挡住圈套Sand and leaves trapped the water in the stream. They finally trapped the mouse in a cage.最后，他们用笼子把老鼠逮着了。
人教新课标 选修六 高二英语unit 4 Global Warming Using Language
How to make a poster What a poster has?
a large heading
clear theme
What a poster has?
slogan
a short easily remember phrases or sentence
List some important details
Dear everyone,
_____A__b_r_ie_f__in__tr_o_d__u_c_t_io_n______________
_________E__.g_._b_a_c_k_g_ro_u_n_d_,_i_m_p_o_r_ta_n_c_e_,_______ __________a_tt_it_udes
• The temperature goes up.
• Glaciers melt. • The sea level rises.
• Cities/countries/lands are flooded.
• Species are in danger /at risk of disappearance.
• Purpose:
• Ask for some suggestions
• Earth Care's opinion
Together, individuals make a difference. We do not have to put up with pollution.
Scanning
Scan the second letter and underline Earth Care’s suggestions in the following chart, and discuss whether you can carry out each suggestion.
英语：选修6 Unit4 Global warming-Warming up&Reading课件(新人教版)
Earth Care
Dr Janice Foster, Charles Keeling, George Hambley
Reading Comprehension True or false?( P27 2 )
1.The temperature in the last century didn’t seem to increase much. 2.Everyone believes that global warming is caused by the activities of humans. 3.Janice Foster believes she can measure the future global rise in temperature. 4.The rise in carbon dioxide is causing a steady increase in global warming. 5.George Hambley believes that global warming will do good rather than harm to the earth. 6.It is clear what the effects of global warming will be.
Positive effects
1. make plants grow faster 2. crops will produce more 3. a greater range of animals 4. make life better
George Hambley
Assignment
1.Read the passage again and review the new words and expressions. 2.Finish exercises on Page34(金榜一 号）
高二英语人教版选修六 Unit4 Global warming 单词讲解
vt. 照顾，护理
go up 上升，增长，升起 △Charles Keeling 查尔斯。基林 △measurement n.衡量，测量，尺寸 per prep. 每，每一
data n. 资料，数据 result in 导致 trend n.趋势，倾向，走向 catastrophe n. 大灾难，浩劫 flood n.洪水，水灾 △drought n. 旱灾，干旱 △famine n. 饥荒 △George Hambley 乔治.汉布利 oppose vt.反对，反抗，与(某人)较量
mit(v.)承担义务,做出保证---commitment(n.) 承诺,交托 ---committed (adj.)尽心尽力的；坚定的
13. pollute(v.)污染---pollution(n.)污染---pollutant(n.)污染物 14. appliance(n.)用具,器具---apply(v.)应用 (多义) 15. grow(v.)种植,生长---growth(n.)成长 16. casual(adj.)随意的---casually(adv.)随意地 17.wave(n.)波---microwave(n.)微波炉 18.fresh(adj.)新鲜的---freshness(n.)新鲜---refresh(v.)使恢复,使振动 19. educate(v.)教育---educator(n.)教育工作者,教师
opposed adj. 反对的，对立的 be opposed to 反对 mild adj.温和的，温柔的，淡的 △environmental adj.环境的 △environmentalist n. 环境保护论者 consequence n.结果，后果，影响 state vt. 陈述，说明 range n.种类，范围 even if 即使 keep on 继续 glance vi. 看一下，扫视
人教新课标选修六 Unit 4 Global warming-Warming up & Reading[课件]
![人教新课标选修六 Unit 4 Global warming-Warming up & Reading[课件]](https://360docs-1393072327.cos.ap-beijing.myqcloud.com/e08569f3f61fb7360b4c654d.webp)
…
全球气候变暖是一种“自然现象”。人们焚烧 化石矿物以生成能量或砍伐森林并将其焚烧时会产 生二氧化碳等多种温室气体。这些温室气体对来自 太阳辐射的可见光具有高度的透过性，而对地球反 射出来的长波辐射具有高度的吸收性，能强烈吸收 地面辐射中的红外线，导致全球气候变暖，也就是 常说的“温室效应”。全球变暖会使全球降水量重 新分配、冰川和冻土消融、海平面上升等，既危害 自然生态系统的平衡，更威胁人类的食物供应和居 住环境。
Sophie Armstrong wrote the magazine article. The name of the magazine is “Earth care”.
2.What are the names of the three scientists mentioned in the article?
They are Dr. Janice Foster, Charles Keeling and George Hambley.
3.What do they think about global warming?
Do they agree with one another?
There are some very different attitudes among scientists towards this issue. Some think the effects will be terrible,
Now, let’s enjoy a short video about global warming. It’s funny and grieved.
We depend on energy to do many things in our daily lives. For example, energy lights our cities and heats our buildings. Make a list of things that use energy in your home, in your school, or any other places you can think of.
高二英语人教版选修六Unit4Globalwarming单词讲解课件
用法
average
一词多义
range
consume
正式用语 熟词生义
英语释义
commitment
英语释义
circumstance
contribution
熟词生义
重 难 点 词
1. consume:
① The developed countries consume the most energy in the world. 人教⑥ – 4 ② Looking after the children, cooking and cleaning are timeconsuming. 2008 四川改
range
mountain ranges 山脉
range
range的词源
range 名 词 的 词 源 义 是 指 一 排 排 的 人 ，尤其是指猎人或者士兵，和动词的 词源义密切相关，名词由动词而来， 其基本义是“范围”。
range
■n ⑴ [C] [常用单数] 一系列
① a range of services / products 一整套服务 / 一系列产品 ②College students are of many different ages and come from a wide range of social, cultural and economic backgrounds. 大学生们年龄参差不齐，有着不同的社会、文化和经济 背景。 北师大⑧ – 23
vt签署(文件)，捐助
subscribe to 同意，赞成，订购 △fossil n. 化石，从地下采掘出来 的矿物 fuel n. 燃料 △byproduct n. 副产品 △Janice 贾妮思 △Foster 福斯特 △methane n. 甲烷，沼气 △Celsius adj.(温度)摄氏的 quantity n. 量，数量
人教版高中英语选修六Unit4 Global warming-warmingup和reading课件
Reading 1
Read the passage quickly and answer the following questions.
1.Who wrote the magazine article? What is the name of the magazine? 2.What are the names of three scientists mentioned in the article? 3.What do they think about global warming? Do they agree with one another? 4.What are the two graphs about?
1.Who wrote the magazine article? What is the name of the magazine? Sophie Armstrong. Earth Care.
2.What are the names of three scientists mentioned in the article?
Unit 4 Global Warming
We depend on energy to do many things in our daily lives.For example, energy lights ourcities and heats our buildings. Make a list of things that use energy in your home, in your school,or any other places you can think of. 6 students a grd the passage carefully and judge whether the statements are true or false?
人教版高中英语选修六课件：Unit 4 Global warming
英语(RA-GZ)- 选修6
1.搜寻背景素材,分析我们面临的环境问题,意识到保护环境的重要
性。
2.利用定位法寻找文中事实细节并加以理解。
3.通过上下文的语境,推测语篇中生词的含义。
英语(RA-GZ)- 选修6
经典美句
1.There is no doubt that the earth is becoming warmer (see Graph
(4)How does “greenhouse effect” come about?
英语(RA-GZ)- 选修6
【答案】
(1)Sophie Armstrong. Earth Care.
(2)Human activity.
(3)The burning of fossil fuels.
(4)It comes about when small amounts of gases in the
greenhouse gases into the air. Motor vehicles use a lot of
energy and give off more and more carbon dioxide. What’s worse,
more trees are being cut down and more forest land is being
The scientists say that the current warming could have the
same effect on mammals and could even make humans smaller.
英语(RA-GZ)- 选修6
Horses started out small, about the size of a small dog.
人教版英语选修六Unit 4 Global Warming(Warming up and readi
negative (Para.6) positive
(Dr. Janice Foster) (George Hambley)
Carbon dioxide has More carbon dioxide is
caused the global a p_o_s_i_t_ive thing,
temperature to
The good effects of global warming
1. make plants grow quicker 2.acgrroepastewrilrlapnrmgoedaokufecaelnimfiemobraeeltster 3. encourage a greater range of animals
Some think it will benefit humans while others predict it’s a disaster.
TaskⅡ: Scanning From 1860 to 2000, the
(Para3)
global temperature has
risen about_1____ degree
_ra_n_g_e__o_f__a_n_im_a_l_s.
TaskⅡ: Scanning Para6
The good and bad effects of global warming
The bad effects of global warming There may be: 1. a rise of sea level 2. severe storms, floodsd,isdarpopuegarhatns,cefaomf sipneecsies 3. the spread of diseases 4. the disappearance of species
人教版高中英语选修6《Unit4Globalwarming》教案
人教版高中英语选修6《Unit 4 Global warming 》教课设计人教版高中英语选修6《 Unit 4 Global warming 》教课设计【一】教课准备教课目的Teaching Aims:In this class Ss will be able to① practice skimming and scanning for information needed like what are the two concerns and what are Earth Cares suggestions.② Master the phrases such as: put up with, so long as, and so on, makea difference, have no effect on , by making sentences or by using theminto the post er.③ bee aware of the serious effects of global warming and the importance of saving energy to be environmentally friendly.④Summarize the points according to their understanding.⑤work together to design a poster by using the suggestions in thearticle.教课重难点Teaching Difficulties:Students may find it hard to add more suggestions about how to save energy in our daily life and to summarize the points according to those suggestions. Students maynot know clear what is a poster and how to design an attractive and persuasive poster in short time.教课过程Teaching Procedure:Step1. Lead-in (inpidual collective work)1.Teacher begins the class by asking: Have you ever seen the movieThe Day After Tomorrow? and then let students enjoy a short movieclip with the following two questions:①What kinds of disasters have you seen in the film?②Can you guess how they came about (happen)?2.introduce the topic:global warming. And then have a further question:①What other disaster will be caused by global warming?【 Designing Purpose 】To arouse students interest by watching the movie clip and educe thetopic, that is global warming. And then by showing a lot of pictures,make students know and understand the terrible effects of global warming, thus making preparations for promoting environmental protection.① who is the writer?② what are his two concerns?Scanning: Read the second letter and answer the following questions:①Does Earth Care agree with Ouy ang Guangs opinion thatinpiduals can have no effect?②what are Earth Cares suggestions?③Can we carry those suggestions out? Why?【Designing Purpose 】To help the students grasp the main information of the two letters by skimming and scanning. While stud ents get the answer to question1,ask them to find the supporting sentence : Together, inpiduals can makea difference. We do not have to put up with pollution. Guess themeanings of the two italicized phrases according to the surroundings andtheir understanding.Step3. Post reading (Pair work)1.Discussion: Make students discuss whether they can find moreways or suggestions about reducing carbon dioxide and saving energy inour daily life.Suggested ways:1)Use less hot water 7)Change a light bulb 8)Try car sharing2)Take a shower instead of a bath3)Buy fresh food instead of frozen4)Buy things that are actually in season5)Eat less high fat food like KFC and Macdonald6)Clean filters(过滤器) on your air conditioner.【Designing Purpose 】To cultivate students to work in pairs and learn to summarize an opinion and share the knowledge of saving energy in daily life. To practice theability of understanding the meaning of new words and expressionsto remove the obstacles in reading.Step4. learn what is a poster (collective work)Know what is a poster by giving a simple sample and try to getthe structure.【Designing Purpose 】To know clearly a poster should have a heading, contents and an eye-catching slogan, which will make it easy for students to design anacceptable poster.Step5. Prepare the poster (inpidual group work)1. Decide our content s:①Choose and decide five most important suggestions. (inpidual work)②W rite them downon your paper and try to makethem persuasive by using imperativesentences. (inpidual work)③pare your list with your group membersand decide five for your poster. (groupwork)2. Slogan and heading: showing sample posters to help them decide aheading and a slogan for your poster.【Designing Purpose 】This is the most important part of this writing task. Students willbe able to summarize and pose sentences by choosing and organizingwhat they want to say, thus improving their writing ability and the processof output based on what they have learned in reading part. And by learning some sample posters to help them decide their own heading and slogan.Step6. produce show time (group work)With the heading, slogan and ways, students will not find it difficultto make a poster. What theyShould pay attention is how to illustrate their poster and makeit more attractive. And then choose several pairs to represent their posters.【Designing Purpose 】Making the poster will improve their cognitive capability of theimportance of environmental protection and at the sametime they can enjoya sense of achievement in show time. And they make believe that inpiduals can really make a difference.课后习题Homework ：Put their poster up around the school to make more students know about energy saving and global warming. Write a short passage to tell othershow to solve the problem of global warming based on the suggestionsyou have collected and send it in your zone or blog.板书板书设计： tsunami/ flood/More suggestions: make full use of paper/ use both sides ofpaper reuse waterlimit the time of using private carssend emails instead of cardsuse less hot wateralways take a shopping bag with youdrive a bicycle but not e-bicycle人教版高中英语选修6《Unit 4 Global warming 》教课设计【二】教课准备教课目的Teaching goals教课目的1. Target language目口号言a.要点词汇和短语energy, light (v.), heat (v.), renewable, non-renewable, fuel, blame, run outb.社交用语I dont think so.I dont think thats right.Im afraid you are wrong.2. Ability goals 能力目标Enable the students to talk about different sources of energy andexpress their own ideas.3. Learning ability goals 学能目标Help the students learn how to give their ideas about the use of energy.教课重难点Teaching important points 教课要点Enable the students to express agreement and disagreement.Teaching difficult points 教课难点Enable the students to learn how to express agreement and disagreement.教课过程Step ⅠRevisionT:Good morning, everyone.Ss: Good morning, teacher.T: Sit down, please. Before class, Ill check your homeworkfirst.Mary, would you read your homework to us?Check the students homework and have a discussion with the studentsabout the mistakes Mary made. Let the students have a clear understanding about the mistakes and then correct them.Step ⅡWarming upT: As we all know,we depen d on energy to do many things in our daily life. Some people even say we could do nothing without energy. Can youtell me what we use energy for?Sa: Energy lights our cities.Sb: Energy heats our buildings.Sc: Energy entertains us. With the help of electricity, people havegot a lot of fun from watching TV, playing puters and so on.Sd: There are many other electrical appliances that make our life more convenient and fortable such as washing machines, microwaves,air conditioners and so on.Se: Today energy also helps people realize many so-called dreams inthe past. For example, people can fly from one place to another by planewhich runs on energy.Sf:Its true. In fact, not only planes but also cars, ships and trains run on energy.T:Well done. All that youve just said is right. So it seems that energy plays a very important role in the modern world. Then where does all theenergy e from? Open your books and turn to page 25. Look at thepictures on this page. They may help you find out the answers.After a while.T:Whod like to tell us your answers?Sg: Wind power.Sh: Coal power.T:Right. Is there any difference between them?Si: Yes. Wind will never run out while coal is a limited source.T:Its true. As we know, an energy source is renewable when suppliesof it never run out while some supplies，such as coal, will definitelyrun out one day. Energy of this kind is called non-renewable sources.Please think of as many sources as you can and decide which energy sourceson your list are renewable and which are non-renewable.If necessary, give some words related to the pictures which might bedifficult for the students such as oil refinery,hydroelectric power and so on.The teacher should also collect as much information about differentsources of energy as possible and show it to the students in class through a puter. In this way, the students will bee more interested in this topic and their knowledge on this aspect will be enlarged.T: Fromwhat weve just talked about, it is clear that energy does a lot of good to every coin has two sides. Is there any negative effect of using energy?Sa: use too much energy which is resulting in an increase in carbonis how the global warming es about.Sb: Andmeanwhile it pollutes the environment.T: Itstrue. Many people have realized the problem. Next well do some listeningpractice on this topic. Lets see what other people think of this issue.Thestudents are asked to read the questions quickly to find out the listeningpoints first.Then listen to the tape twice and give the correct answers.T: Nowplease turn to page 31. Lets do listening. Before you listen to the tape,please read fast the statements in Exercise 1 to find out thelistening much attention to the key points while listening.Play thetape for the first time. Help the students get a generalunderstanding aboutthe dialogue. The students listen and try to finishExercise 1. Play the tapeagain, train the students ability to spot specific information and understandthe implication in the dialogue.The students listen and finish Exercise 2.Severalminutes later.T：Have you finished the exercises?Ss: Yes.T: OK,lets check your answers.Explainsome difficult points if necessary.T: Nowread what Professor Chen and Li Bin say. Work in groups. Discuss who you agreewith and give reasons. Use some of the phrases listed in Exercise 2 or anyothers you know.课后习题Homework1.Review the new words and expressions you learned in this class.2.Preview Reading.。