Lesson 1Global warming
北师大版高中英语选修8 Unit22 Lesson1 Global Warming参考教案
Unit22 Lesson 1 Global Warming参考教案Teaching aims:By the end of this lesson, students will1.have a better understanding of what global warming is2.know the serious consequences that global warming may cause3.realize the importance that we need to take actionTeaching methods:Prediction, pair work, fast reading, careful reading, group discussionTeaching aids:Some slides, a projector, a computerTeaching procedures:Step 1 pre-reading1. Lead- inUse some cartoons to lead to the topic--- Global Warming.Ask students how much information they know about global warming and which countries contribute more to global warming: developed countries or developing countries.2. PredictionEnable students to consider what they will talk about if they are to write a passage entitled “global warming”.3. Sub-title explanationWork out the meaning of the word “take”.Step 2 While-reading1.First reading (pair work)Go through the text quickly and grasp the general idea of each paragraph.2.Second readingRead the text carefully and answer the following six questions.1 What is global warming?2What’s the use of carbon dioxide according to the text?3 By how much has the global average temperature increased in the last 100 years?4 What human activities are causing global warming?5 What consequences will global warming cause?6 How can each of us help solve the problem of global warming?Step 3 Post-reading1. Listening (Listen to strengthen understanding)2. Blanks filling. Students are asked to fill in the blanks with some key words to retell the text. Step 4 Group discussionWhat’s your attitude towards plastic bags banning?What can we use without these free plastic bags?Step5 SummaryWhat do we learn from today’s lesson?What will we do to protect our environment in our daily life?Step 6 Homework1.Finish Exercise 5 on page 72.Preview Grammar--- Reporting。
北师大选修八 Unit 22 Lesson1 Global Warming
Task 1 Guessing game
Words about global warming! 8 points for Step1 16 points for Step2
Step1 Scan the text for these words and work out their meanings •
Reading for details ; Group Discussion and presentation
E.the effects (consequences)
of global warming
青云中学 罗喜红
STRUCTURE OF THE TEXT
• 提出问题(paragraphs1--2) • 分析问题(paragraphs3--4) • 解决问题(Paragraph5)
• ——说明文常见结构
Science or practice of farming
农业(学)
青云中学 罗喜红
5.The prisoner was condemned to death for killing six people.
be sentenced
宣判
6. At first, the two sides didn’t agree with each other. After 5 days’ negotiation ,they finally reached a consensus . 一致意见/共识 agreement
• • •
• A. the science of growing 1.consensus food and raising animals— farming 2.substitute • B. general agreement • C. a striking occurrence of two or more events at the 3.agriculture same time,apparently by chance 4.coincidence • D. to take the place of
Unit 22 Lesson 1 Global Warming
Unit 22 Environmental Protection导案Lesson 1 Global Warming英语组张书英Learning aims :At the end of the lesson ,you will (1) learn and master some important words andphrases(2) understand the main idea of the text(3) deal with some details of the text(4) stress the importance of protectingenvironment .Important points: words: consensus relevant bounce coincidencecondemreservationsacrifice advocatesubstitutephrases:beyond one’s control look aheadin huge quantities switch off takeactionDifficult points：(1) Improve students’ reading skills(2)Ask the students to have the awareness of environmental protectionTeaching procedures:StepⅠLead -inToday we are facing many environmental problems:Can you give some examples?What caused these prolems?What is global warming ? StepⅡLearn new wods and phrases (See Important points)StepⅢFast-readingRead the text quickly and match its main idea with each paragraphParagraphs Main ideas1 A. Meatures we shoud take2 B. Introduction3 C.The reasons of global warming4 D.The definition of global warming5 E. The consequences of global warmingStepⅣCareful-readingRead the text carefully and choose the best answer .1.According to the text ,one of the biggest environmental problems facingthe 21st century could be ______ .A. epidmic diseasesB. droughtsC. earthquakesD. global warming2. Over the last 100 years, the global average temperature has increased by _____.A. 1 ℉B. 2℉C. 3℉D. 4℉3. “ Many experts insists that the blame for this global warming can mostlybe pinned on human activities” The underlined part means in Chinese________.A. 固定B. 指望C. 承担过失D.决定4. Global warming will cause _______.A. climate changesB. serious diseasesC. the polar ice to meltD. allof the above5. Which of the following is TRUE ?A. Carbon dioxide traps heat in the Earth’s atmosphere thus thetemperature rises .B. Gases from the factories and vehicles have been speeding up theprocess of global warmingC. Many experts insist that global warming has little to do with humanactivities.D. We will soon find a substitute for our planet –the EarthStepⅤFurther- readingPart A: Learn about vocabulary (often you can tell the meaning of a phrase from other phrases and ideas in the text )1.think about something in the future (para 1 line 8) __________2.be related to (para1 line12) ___________3.result in (para1 line 14) ____________4.because of (para3 line27) ____________5.take measures (para5 line62) ______________6.turn off (para5 line67) ______________Part B: Complete the sentences with the phrases above on the right.1.The government must_____________(采取措施)to stop the river frombeing polluted.2._______________(因为，由于) the heavy rain ,the sports meet has beenpostponed till next Tuesday.3.________（关掉）all the lights when you leave the classroom.4.__________(展望未来), scientists believe that global warming could beone of the biggest environmental prolems.5.Too many cars and factories also _________(导致) global warming .Step ⅥConsolidation – readingReread paragraph 5 and finish the following passage.__1___ we know global warming is caused by human activities, we should take action to __2__ them happening. Governments all over the world have a responsibility __3___ the amount of carbon dioxide. However, some governments express reservations(保护) about _4____ global warming is caused by human activities. Many people think they are simply not prepared to sacrifice the amount of money to save the earth. ____5_ why wait around for them to take action ? Experts advocate each person __6__ their part. They suggest __7____small changes like taking public transport ___8___ driving a car, recycling, using low-flow showerheads, etc. They could be the changes __9___save our future. __10___, there’s no substitute for our Earth.1. A. For B. Since C. When D. While2. A. prevent B. keep C. leave D. make3. A. to reduce B. reducing C. reduced D. to be reduced4. A. which B. whether C. if D. what5. A. And B. So C. But D. Or6. A. have B. take C. play D. show7. A. make B. made C. to make D. making8. A. instead of B. rather than C. other than D. more than9. A . / B. that C. what D. when10.A. After all B.Above all C. first of all D. At allStep ⅦHomework。
Unit 22 lesson 1 Global Warming
Look at these sentences from the text and explain why the underlined verbs are not the same tense as the reporting verbs.
1 Recent report from the IPCC warned that global warming will cause dramatic climate changes.
2 OK, you are right,some poisionous chemical did escape into the atmospere.
They admitted that some poisonous chemicals had escaped into the atmosphere. 3 Why don’t you drop in tonight? He /She/They invited me to drop in tonight.
2 Gases pumped into the Earth’s atmospere have been speeding up the process of global warming. to claim that
3 Global warming could be one of the biggest environmental problems facing the 21st century. to believe that 4 Global warming is mostly due to human activities. to insist that 5 Global warming will cause dramatic climate changes including more frequent floods ,heat waves, and droughts. to warn that
Lesson1GlobalWarming
into practice; ?understand the article by using different reading strategies; ?realize the severity of global warming and put forward
Vocabulary learning
consensus be relevant to coincidence bounce back condemn life express reservations about sacrifice substitute
Skimming for the gist
If we continue to produce carbon dioxide and other gases in such huge quantities, we are cdoensdtreomyniningg life on earth.
Vocabulary learning
reservation
Vocabulary learning
relevant coincidence
The scientists claim that global warming is
rreelleavtaendt to human activities. The link is ncoetrtaaincotoinhciadpepnecne..
…
agriculture
forest destruction
北师大版高中英语选修八Unit 22《Lesson 1 Global Warming》课件 Reading 2
Use the expressions in the box in the correct form to complete the sentences.
beyond our control, pump into, as a result of, in large quantities, refer to, speed up
people worldwide, the savings are significant.
Taking public transport like buses can reduce greenhouse gas emissions
And Taking train can also help a reduction of greenhouse gas.
pumped into
1 Water was
the fish pond from the
river. 2 We all need to
speed up
to finish in time!
3 There is nothing more we can do .the situation is now beyond our contr.ol
The Greenhouse Effect
Without this greenhouse heating, the Earth's average temperature would be only about -73 C
(-100 F); even the oceans would be frozen under such conditions,such as the Moon and the Mars.
to believe that
全球气候变暖unit1GlobalWarming
向转型。
提高能源效率与节能减排
节能建筑
节能交通
推广节能建筑设计，提高建筑能效，减少 能源浪费。
发展低碳交通方式，如公共交通、电动汽 车等，减少交通领域的碳排放。
工业减排
循环经济
优化工业生产过程，提高能源利用效率， 减少工业排放。
推行循环经济模式，促进资源高效利用， 减少废弃物排放。
植树造林与碳汇建设
全球气候变暖的原因
01
02
03
温室气体排放
人类活动产生的大量温室 气体，如二氧化碳、甲烷 和氮氧化物，导致地球表 面温度升高。
森林砍伐
森林是地球上重要的碳汇， 砍伐森林会减少对二氧化 碳的吸收，加剧气候变暖。
工业化进程
大规模的工业生产和交通 运输排放大量温室气体， 导致全球气候变暖。
全球气候变暖的影响
资金和技术转移
发达国家应向发展中国家 提供资金和技术支持，帮 助其应对气候变化。
可再生能源的开发与利用
加大研发投入
01
政府和企业应增加对可再生能源技术研发的投入，降低成本，
提高效率。
推广可再生能源
02
通过政策激励和市场机制，鼓励可再生能源的开发和利用，如
太阳能、风能、水能等。
能源结构转型
03
逐步减少对化石能源的依赖，推动能源结构向低碳、清洁的方
全球气候变暖
contents
目录
• 全球气候变暖概述 • 温室气体排放 • 全球气候变暖的后果 • 应对全球气候变暖的措施 • 全球气候变暖的未来展望
01 全球气候变暖概述
定义与现象
定义
全球气候变暖是指地球的平均气 温随着时间的推移逐渐升高的现 象。
现象
北师大版选修模块8 Unit22 Lesson1 Global Warming
教学重点
培养学生如何运 用阅读策略获取信息 以解决问题的能力。 引导学生对低碳生活 的措施进行归纳， 培养 语言表达和概括能力。
任务型教学和合作学习
教学难点
任务型教学和合作学习
七、教学环境设计 本课采用任务型教学法，同时辅助多媒体教学。用图片、视频及动画使抽象的语言 变得直观，同时增加课堂容量。实现师生互动，生生互动的多向交流。 多媒体能很好地利用各种教学资源，而且直观性强，采用多媒体课件形式，在课前 采用与本课主题相关的视频导入。学生参与面广，且充满积极性。 八、教学媒体（资源）选择（依据“经验之塔”P42，确认有助于教学） 知识点 编 号 学习 媒体 教学 媒体内容要点 目标 类型 作用 使用 方式 所 得 结 论 占用 媒体 时间 来源
保护、低碳生活这个主题和他们的实际生活息息相关，能够激发他们的学习兴趣。但由 于本课生词较多，篇幅较长，学生在理解方面存在一定的问题。 信息素养：让学生通过阅读，从语言材料中获取相关信息，并通过信息的加工和处 理，提高他们的语言运用能力。 五、知识点学习目标描述 知识点 编 号 U22 L1.1 学习 目标 知道 具 体 描 述 语 句
Step II Show a picture to the Students read the text 幻 灯 片 、 训练学生通过 skimming 这个阅 Reading Task1 students and ask them quickly and answer 课本 读技巧对文章的大意有所了 what is global the question. 解。 warming. Step III Ask the students to Scan the text and 幻 灯 片 、 学生通过 scanning 获取特定的 Reading Task2 read the text quickly match headings 课本 信息，对文章的内容有了进一 and match the with paragraphs 步了解。 headings with the paragraphs. Step IV Ask the students to Read the Reading Task3 read the text carefully carefully and answer answer the five questions questions text 幻 灯 片 、 通过细读，全面了解课文 and 课本 the
北师大版Unit22.Lesson1Global Warming阅读课件
consensus bounce agriculture
coincidence
•a remarkable concurrence of events by chance •move quickly up, back, or away from a surface after hitting •a general agreement •the science or practice of farming
Post reading: Group work
Voice your opinions:
What will you do everyday to help reduce
greenhouse gases?
Examples
take public transport like buses，trains and subways
Which countries do you think contribute more to global warming? Developed a) developed countries countries – more industry and technology. b) developing countries
pumped into 1 Water was the fish pond from the river. 2 We all need to speed up to finish in time!
3.There is nothing more we can do .the situation
is now beyond our control .
4) How can we help solve the problem of global warming? We can make small changes like taking public transport, recycling, using low-flow shower heads, and buying energy-efficient light bulbs to help stop global warming.
北师大版Unit2Lesson1Global Warming阅读 PPT
Read the text and answer the questions.
1. What human activities are causing global warming? 2. By how much has the global average temperature
increased in the last 100 years? 3. Are greenhouse gases necessary for life on Earth? 4. How can we help solve the problem of global
There have been several summits of governments to discuss this problem but many countries don’t want to make changes to their factories and industrial works as this would cost them money.
21
buy the recycled products
The recycling symbol
22
use low-flow shower heads
buy energy-efficient light bulbs
23
Post reading: Group work
Voice your opinions:
warming. E. What cause global warming
Scanning:
Scan the text below for these words and work out their meanings.
北师大 英语 必修 8 Unit 22 Lesson1 Global Warming(共20张PPT
Careful reading(1)
Para.1 Para.2 Para.3 Para.4
Para.5
Introduction: Human beings are causing____ and it is believed that ________ could be one of the biggest______ in the 21st centry.
Consequences: If we continue to produce greenhouse gases______. There will be more______ such as floodings, heat waves and droughts.
Action: All governments have a responsibility to ____ and each person should_____.
Para.1 Introduction: Human beings are causing_c_h_a_ng_e_s_in_t_h_e_E_ar_t_h’_s_cl_im_a_t_e______ and it is believed that _g_lo_b_al_w_a_r_m_in_g______ could be one of the biggest___en_v_ir_o_nm__e_nt_a_l p_r_ob_l_em__s ___________ in the 21st centry.
floodings, heat waveson: All governments have a responsibility to __re_d_u_ce_t_h_e_a_m_o_u_nt_o_f_c_ar_b_o_n_d_io_xi_d_e________ and each person should___p_la_y_th_e_ir_p_a_rt_____.
优质课Lesson 1 Global Warming
4. 用在否定和疑问句中，意思是“除……之外”。
I know nothing beyond what he told me. 5. beyond还可表示年龄或数量，意思是“超过”。
He didn’t believe in people living beyond 100.
Which countries do you think contribute more to global warming?
USA
South Africa
London
Scan the text below for these words and work out their meanings. consensus general agreement
3. By how much has the global average temperature increased in the last 100 years?
By 1 °F ( one degree Fahrenheit).
4. Are greenhouse gases necessary for life on Earth?
Unit 22
Environmental Protection
Lesson 1
What do you know about Copenhagen Conference?
The 2009 United Nations Climate Change Conference, commonly known as the Copenhagen Summit, was held at the Bella Center in Copenhagen, Denmark, between 7 December and 18 December 2009. The conference included the 15th Conference of the Parties (COP 15) to the United Nations Framework Convention on Climate Change and the 5th Meeting of the Parties (MOP 5) to the Kyoto Protocol.
北师大版Unit22.Lesson1GlobalWarming阅读课件教学文稿
While-reading: Skimming Read the text and find main idea of each paragraph.
Para 1. Para 2. Para 3. Para 4. Para 5.
A. Draw readers’ attention to the topic by asking questions. B. What should human beings do. C. What is global warming. D. Consequences of global
condemn reservation sacrifice advocate
•the action of reserving something •to recommend or support publicly •to give up (something important or valued) because of other considerations •sentence to a particular punishment, especially death
1 Water was pumped into the fish pond from the river. 2 We all need to speed up to finish in time!
北师大版高中英语选修八Unit 22《Lesson 1 Global Warming》教案 4
Ｉ．单元教学目标1. Read an article on global warming and identify missing information in a text.2. Talk about environmental issues in the world today.3. Listen to and take notes from a lecture and a radio interview.4. Write a report about the environment.5. Revise reported speech and practice vocabulary relating to global warming, natural disasters and endangered animals.II．目标语言词汇1. 课标词汇trap, ecology, botanical, consultant, brewery, reserve, principle, boycott, corrupt, conservation, consensus, beyond, relevant, refer, ray, bounce, pin, agriculture, coincidence, condemn, federal, reservation, sacrifice, advocate, recycle, substitute, threaten, pancake, hurricane, tortoise, mainland, hook, seize, behalf, typhoon, grand, scale, changeable, thunderstorm, rainfall, irrigation, arm, rough, quake, offshore, catastrophe, separation, means, construct, shabby, clay, brick, slip, slide, mountainous, howl, flee, potential, roll, plug, quilt, cushion, skyscraper, adopt, rail, warehouse, considerate, finance, allocate, politics, fragile, pest, sharpener, sharpen, valid, evolution, trunk, tusk, mature, carve, calculate, cube, cubic2. 认读词汇greenhouse effect, endanger, claim, drought, species, leopard, crested ibis, alligator, extinct, habitat, Tibetan antelope, Tibet, fashionable, enforce, orangutan, landslide, tsunami, industrialisation, negative, soundproof, decibel二. 词组a number of, beyond one’s control, look ahead, in turn, lead to, take action, ahead of, apart from, answer for, call for an end to sth, or else, wrap up, on somebody’s behalf, for good, carry off, all in all, result in, earn one’s living, plug one’s ears, all the best, sum up, as a matter of fact, break away from三. 语法Reported speechPassive V oice (III)四．重点句子1. Global warming refers to an average increase in the Earth’s temperature that, in turn, leads to climate change.2. Without these naturally occurring gases, the sun’s rays would bounce back into space leaving the Earth cold and impossible to live on.3. Given this data, it seems that the link between human activities and rising global temperatures is not merely a coincidence.4. What is ridiculous is that they say the climate isn’t changing when it obviously is.5. Tigers are killed by hunters because it is falsely believed that parts of the tiger’s body are good for people’s health.6.There are thousands of endangered species in the world and if the rate at which species are becoming extinct continues to rise, then millions of species will become extinct in the next decade.7. Nature is turning on us!8. The last few years have seen environmental disasters on a grand scale, and experts are predicting far worse to come.9. This catastrophe is still very fresh in the minds of people worldwide who have not yet get over their separation from loved ones lost in the tsunami.10.Most disaster experts believe there is the potential that things could get a lot worse.11.In the last few decades, scientists have reached consensus and reported that human beings are causing changes in the Earth’s climate —something previously seen as beyond our control. 12.A number of nations have already been in armed conflict over water, and reduced rainfall in the west of the US has resulted in huge forest fires.五．交际用语1. Justifying Arguments...so that...That’s why...I mean, basically...And I think, because of that....That’s the reason why...One reason they are poor is...2. Giving opinionsWhat I don’t understand is...What’s really worrying ...I’m not sure. I haven’t thought about it much.What’s ridiculous is...That’s a good question.What we should do is...III．教材分析与教材重组本单元以环保为话题，介绍了人类与环境、动物与环境的关系。
- 1、下载文档前请自行甄别文档内容的完整性，平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益，请联系客服反馈,我们会尽快为您处理(人工客服工作时间：9:00-18:30)。
Para.1 Introduction: Human beings are causing_c_h_a_n_g_e_s_i_n_t_h_e_E_a_r_t_h_’s_c_l_im__a_te__ and it is believed that _g_lo_b_a_l_w__a_rm__in_g____ could be one of the biggest___e_n_vi_r_o_n_m_e_n_t_a_l _p_ro_b_l_e_m_s________ in the 21st centry.
Para.2 Definition: Gloable warming refers to_____ in the Earth’s temperrature that, in turn,______ climate change.
Para.3 Causes: Many experts insist that the blame for this global warming can mostly____.
Lead in Can we take
the heat?
The earth is having a fever.
Drawing your attention
The biggest problem of 21st century
The greenhouse effect
The temperature of the earth is controlled by greenhouse gases such as carbon dioxide.
Post reading
Voice your opinions:
What will you do every day to help reduce greenhouse gases ?
What we can do
energy-saving light bulbs
switch off…
recycled paper
Para.2 Definition: Gloable warming refers to__a_n__a_v_e_ra_g_e__in_c_r_e_as_e_______ in the Earth’s temperrature that, in turn,__l_e_a_d_t_o____ climate change.
1.Draw readers’ attention to the topic by asking questions. 2.What should human beings do. 3.What is global warming. 4.Consequences of global
warming. 5. What cause global warming
语法填空
Global warming refers to an average increase in the Earth’s temperature which causes climate change in turn. Scientists think _(1)__ is human beings that cause global warming, _(2)__ (especial) gases from factories and vehicles which speed up global warming.
Causes of global warming
Gases from factories and
Speed up the prosess of global warming.
vehicles pump into
the atmosphere
Consequences of global warming
Unit 22 Environmental Protection Lesson 1 Global Warming
In this lesson, we’ll be able to
1. understand some new words. 2. get detailed information of the text. 3.increase the awareness of protecting the earth.
low-flow shower head
public transport
Examples
take public transport like buses
buy the recycled products
The recycling symbol
Recycled products
use low-flow shower heads
保留意见 • 6.Experts advocated that each
person play their part to save the earth.(para.5)
put forward and support
Match the Key Words with their Chinese
meanings.
Para.4
Consequences: If we continue to produce greenhouse gases______. There will be more______ such as floodings, heat waves and droughts.
Para.5 Action: All governments have a responsibility to ____ and each person should_____.
consensus
反弹
bounce
农业
agriculture
巧合
coincidence
一致的意见
recycle
保留
reservation
回收利用
sacrifice
主张，提倡
advocate
牺牲
Careful reading
Para.1 Introduction: Human beings are causing____ and it is believed that ________ could be one of the biggest______ in the 21st century.
• 1. In the last few decades, scientists have reached consensus and reported that human beings are causing changes in the earth’s climate.(para.1)
• 2. Without these naturallyagorceceumrinegnt gases, the sun’s rays would bounce back into space leaving the Earth cold and impossilbe to live on.(para.2)
jump back
• 3. Given this data, it seems that the link between human activities and rising global temperatures is not merely a coincidence.(para.3)
巧合
• 4. if we continue to produce carbon dioxide and other gases in such huge quantities, we are condemning life on Earth.(para.4)
destroying
• 5. Some government, for example, the USA’s federal government, express reservations about whether global warming is really caused by human activities.(para.5)
floodings, heat waves and droughts.
Para.5 Action: All governments have a responsibility to __re_d_u_c_e_t_h_e__am__o_u_n_t_o_f_c_a_r_b_o_n_d_io_x_i_d_e___ and each person should___p_la_y__th_e_i_r_p_a_r_t __.
Skimming
What is global warming?
Global warming refers to an average increase in the Earth’s temperature which leads to climate change.
Read the text and match the topics with the paragraphs.
Para 1. Para 2. Para 3. Para 4. Para 5.
Scanning
Word study
• Scan the text for these following words and work out their meanings.
• consensus, bounce, agriculture, coincidence, condemn, reservation, sarifice, advocate
So governments all over the world have _(9)__ responsibility to reduce the amount of carbon dioxide. We also should pay attention to ___(10)__ we are doing.