高考英语总复习Unit4Globalwarming课件新人教版选修6
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高中英语 Unit 4 Global warming 课件 新人教版选修6
China and many developing countries located at the edge of the summer wind.Mr.Zhang， professor of the Institute of Geography，Chinese Academy of Sciences，found that the agricultural
第二页，共7页。
• Mr.Ren，a Chinese scientist，began to study
global climate change more than a decade ago.He indicated(表明(biǎomíng)) that the rainfall
brought by the summer wind coming off the
ocean would improve the ecological environment in some arid(干旱的)or semiarid areas.In other words，a warmer climate could result in
increased agricultural harvest for most parts of
•Unit 4 Global warming
第一页，共7页。
• 一些中国科学家认为全球(quánqiú)变暖对中国 和一些发展中国家很有利。
• The other side of the story • Some Chinese scholars believe global warming
has advantages.They think the warming climate can bring benefits to China and many developing countries.
第二页，共7页。
• Mr.Ren，a Chinese scientist，began to study
global climate change more than a decade ago.He indicated(表明(biǎomíng)) that the rainfall
brought by the summer wind coming off the
ocean would improve the ecological environment in some arid(干旱的)or semiarid areas.In other words，a warmer climate could result in
increased agricultural harvest for most parts of
•Unit 4 Global warming
第一页，共7页。
• 一些中国科学家认为全球(quánqiú)变暖对中国 和一些发展中国家很有利。
• The other side of the story • Some Chinese scholars believe global warming
has advantages.They think the warming climate can bring benefits to China and many developing countries.
人教版选修六Unit4《Global warming》ppt课件
Dr. Janice Foster
Carbon dioxide has caused the global go up temperature to __________. An increase of five degrees would be a catastrophe ____________ and could be very serious ______________.
The Oil Refineries
A nuclear power plant
a facility designed to convert nuclear energy into electricity.
Solar panels
on the roof of a house on a bright sunny day are used to collect solar energy, making your house warm or heating your water.
data climate per state range
drought
Translate the following words into English:
• 与…比较 compare to come about • 发生 huge quantities of • 大量的 result in • 导致 build up • 增加 • 毫无疑问 There is no doubt that … • 继续 keep on • 物种的灭绝 the destruction of species
energy sources
cassette player heating
micro-wave oven things that use energy stove in your home fridge
新人教版高中英语选修6Unit4 Global warming(ppt)
Task 1. Ss in pairs, talk about the greenhouse and answer the following questions:
What is a greenhouse? How does it work? What do you think greenhouse gases do?
9. Gorge Hambley is worried about the effects of carbon dioxide on plant growth. F 10. It is clear what the effects of global warming will be. F
Task 4. Ss read the passage again and try to divide the whole passage into several parts and summarize the main idea for each part. While reading, pay attention to the writing skills.
Task 2. Predicting: Ss read the title and predict what the text will tell.
Task 3: Ss read the passage and judge the following sentences: true of false. 1. The temperature last century didn’t increase much. F 2. Everyone believes that global warming is caused by the activities of humans. F 3. Janice Foster believes that global warming is caused by burning fossil fuels. T 4. Natural gas is greenhouse gas. F 5. Carbon dioxide is a byproduct of burning fossil T fuels.
What is a greenhouse? How does it work? What do you think greenhouse gases do?
9. Gorge Hambley is worried about the effects of carbon dioxide on plant growth. F 10. It is clear what the effects of global warming will be. F
Task 4. Ss read the passage again and try to divide the whole passage into several parts and summarize the main idea for each part. While reading, pay attention to the writing skills.
Task 2. Predicting: Ss read the title and predict what the text will tell.
Task 3: Ss read the passage and judge the following sentences: true of false. 1. The temperature last century didn’t increase much. F 2. Everyone believes that global warming is caused by the activities of humans. F 3. Janice Foster believes that global warming is caused by burning fossil fuels. T 4. Natural gas is greenhouse gas. F 5. Carbon dioxide is a byproduct of burning fossil T fuels.
高考英语总复习 Unit 4 Global warming课件 新人教选修6
范文背诵： Conserving Water Resource Water is indispensable to our life and the development of national economy. It is often described as the source of all living things and the lifeblood of agriculture and industry. Without it, nothing could grow out and the world would become a terrible desert.
oppose A against/to B把A与B相对照或相比 oppose doing sth.反对做某事 be opposed to反对 as opposed to与……相对照
2．oppose v．反对 Shay reached third base when one opposing player ran to help him and shouted，...谢伊到达第三垒时对方队的一名队员跑过来帮助他并喊道……
steadily
widest
9．growth n．增长；生长→________ vi.生长；vt.种植 10．casual adj.随便的；漫不经心的；偶然的→________ adv.随便地；漫不经心地 11．refresh vt.使恢复；使振作→________ adj.令人耳目一新的；使人精力充沛的 12．presentation n．显示；演出→________ vt.显示；展现；表现；提交；adj.当前的；出席的；在场的
tend to sth.有……的趋势；倾向于…… tend (to)．..照料/照顾…… tend to do...倾向于做……；往往会…… have a tendency to do sth.有做某事的倾向
2020版高考英语总复习 Unit 4 Global warming课件 新人教版选修6
基础自主梳理
二、核心拓展词汇
Ⅰ.填一填(掌握书写) 1.___te__n_d__vi.趋向;易于;照顾 vt.照顾;护理→_t_e_n__d_e_n__c_y__n.倾向;趋势 2.__o__p_p_o__s_e___vt.反对;反抗;与(某人)较量→_o__p_p__o_s_e_d___adj.反对的;对立的 3.__c_o__n_s_u_m__e__vt.消费;消耗;耗尽;吃完→c__o_n_s_u__m__p_t_i_o_n_n.消费 →_c__o_n_s_u__m__e_r_ n.消费者 4.___c_o_n__s_e_q_u__e_n_c_e____n.结果;后果→__c_o__n_s_e_q__u_e__n_t___adj.随之发生的 5.____s_t_a_t_e____vt.陈述;说明→_s__ta__te__m__e_n_t_n.声明;阐述 6._____e_x_is__t___vi.存在→_e__x_is_t_e_n__c_e__n.存在
基础自主梳理
Ⅱ.填一填(阅读识其义)
1.data n.______资__料___;数__据______ 2.presentation n.___显__示__;_演__出_________ 3.random adj.___胡__乱__的__;_任__意__的_____ 4.measurement n.___衡__量__;_测__量__;_尺__寸____ 5. catastrophe n.___大___灾__难__;_浩__劫______ 6.electrical adj. __电___的__;与___电__有__关__的___ 7.existence n. ____生__存___;存__在________
基础自主梳理
7._p__o_l_l_u_t_io__n___n.污染→___p_o__l_lu_t_e____vt.污染 8.__c_o_n_t_r_i_b_u__ti_o_n__n.贡献;捐赠;投稿→__c_o_n_t_r_i_b_u__te__vt.& vi.贡献;捐赠;投稿;增进 9.____p_h__e_n_o__m__e_n__o_n__n.现象→__p_h__e_n_o__m__e_n_a___(pl.)现象 10.____s_te__a_d_y____adj.平稳的;持续的;稳固的→___s_t_e_a__d_i_ly___adv.平稳地;持续地
英语：unit4《Global Warming》课件(新人教版选修6)
5. What is global warming?
The earth is becoming warmer.
6. How has global warming come about?
Human activity Greenhouse effect
burnig of fossil fuels
greenhouse gases
The earth is becoming warming-But does it matter?
Learning Aim:
Know well the global warming
Emotion Aim:
Save energy and protect environment
What is a greenhouse used for? How does it work?
Finish Ex.2 ( decide whether the statements true or false after reading the article carefully)
What can we do to control the greenhouse effect?
Let us save energy and protect environment together.
we need those gases
Huge quantities of extra carbon dioxide
From 1957 to 1997
from around 315 parts per million to around 370 parts per million
7. What are the effects of global warming? The sea level to rise Severestorms,droughts ,famines, the spread of diseases, and the destruction of species Make plants grow faster.
人教版高中英语选修六《unit4globalwarming》课件
a7)
ut?
Whatdotheythinkaboutglobalwarming?Doth eyagreewithoneanother?
Therearesomeverydifferentattitudesam ongscientiststowardsthisissue. Somethinktheeffectswillbeterrible,whil eothersbelievethatweshouldnotworryab outit.
Graph2:
4parts
mainidea
Part1(par Shouldwedosomething？
a1)
Part2(para2Theearthisgettingwarmer.
-5)
twodifferentattitudestowardsglo
Part3(para 6)
balwarming
Part4(par Howdoesglobalwarmingcomeabo
ThedifferentideasbetweenDr.JaniceFoster&Geor geHambley
Dr.JaniceFoster
GeorgeHambley
Carbondioxidehascaus Morecarbondioxideisa_
edtheglobaltemperature __p_o_s_it_i_v_e_thing,
Itiscalledthegreenhouseeffect.
TheEarthIsBecomi ngWarmer–
ButDoesItMatter?
FastReading
Glanceatthearticleandanswe rthesequestions.
高中英语 Unit 4《Global Warming》课件 新人教版选修6
Parts.
• Part 1( Para 1): • There is a fierce debate over what has caused this global warming. • Part 2 (Para 2-7) • Some scientists think that global warming could be serious. • Part 3 (Para 8) • Some think that we should not worry much about global warming.
3. The author probably agrees that ________ D A. actually global warming is good for man. B. we should do nothing about the global warming. C. catastrophes will happen if the globe keeps on warming. D. a lot remains to be found out about the effects of global warming.
Parts.
• Part 4 (Para 9): • No one knows what is the effects of global warming will be.
Yes or no?
• Does Sophie Armstrong support a clear opinion? • No. he doesn’t state it clearly. • Does George Hambley believe that we should worry much about the global warming? • No, he doesn’t.
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1．consume vt.消费；消耗；耗尽；吃完 consumer n．消费者；顾客；用户 →________ randomly 2．random adj.胡乱的；任意的→________ adv.胡乱地；任意地 phenomena 3．phenomenon n．现象→(pl.) ________ 4．oppose vt.反对；反抗；与(某人)较量 opposed adj.反对的；对立的 →________
Ⅰ.词汇与拓展
1．subscribe vi.同意；捐赠；订阅；vt.签署 to 同意；赞成； 文件；捐助→subscribe ________ 订购 quantity n．量；数量→quality n．质 2．________ 量；品质
3．consequence n．结果；后果；影响 →________ consequence(of sth.)由于；作 in 为……的结果 It 4．state vt.陈述；说明→________ is stated that...据称…… in/within range 5．range n．种类；范围→________ (of sth.)在可及的范围内；在视/听觉范围内
保护水资源 对于我们的生活和国家经济的发展来说水 是不可缺少的。它通常被描述为万物之源，农 业和工业的命脉。没有它，什么也不能生长， 世界将会成为一个可怕的沙漠。 我们生活的世界正面临着淡水资源的严重 短缺。据官方数据，世界上有超过17亿人没有 足够的清水喝，每天有超过2.5万人死于与水相 关的疾病。 所以我们都应该积极节约用水。这是我们 造福子孙后代的义务。
范文背诵： Conserving Water Resource Water is indispensable to our life and the development of national economy. It is often described as the source of all living things and the lifeblood of agriculture and industry. Without it, nothing could grow out and the world would become a terrible desert.
6．glance vi.看一下；扫视；n.一瞥 at →________ first glance乍一看 7．average adj.平均的→________ on average平 均 8．circumstance n．环境；情况→in/under no ________ circumstances决不(置于句首，句子部 分倒装)
The world we live in is now faced with a severe shortage of fresh water. According to some official figures, more than 1,700 million people in the world don't have enough clear water to drink and over 25 thousand people die of water related diseases daily. So, all of us should actively save water. It's our obligation for the benefit of the future generations.
பைடு நூலகம்
5．steady adj.平稳的；稳固的；持续的 steadily adv.平稳地；持续地 →________ widespread 6．________ adj.分布广的；普遍的 exist 7．existence n．生存；存在→________ vi. 生存；存在 8．commitment n．承诺；交托；信奉 commit →________ vt.做(错事等)；犯(罪等)；承诺， 保证(做某事)
【活学活用】 根据英文释义写出下列词汇 1．________：to use sth.，especially fuel， energy or time 2．________：a result of sth.that has happened 3．________：the limits between which sth.varies
grow vi.生 9．growth n．增长；生长→________ 长；vt.种植 10．casual adj.随便的；漫不经心的；偶然 casually adv.随便地；漫不经心地 的→________ 11．refresh vt.使恢复；使振作→refreshing ________ adj.令人耳目一新的；使人精力充沛的 present 12．presentation n．显示；演出→________ vt.显示；展现；表现；提交；adj.当前的；出 席的；在场的
Quantities of data and graphs indicate a steady widespread famine phenomenon as the consequence of the trend of advocating too much individual consuming.
4．________：a quick look；to look quickly at sb./sth. 5．________：a promise to do sth.or to behave in a particular way
根据句意用框中所给词的适当形式填空 advocate，subscribe，state，range，tend 6．The authorities no longer ________ to the view that disabled people are unsuitable as teachers. 7．She is ________ (to) her sick mother at home.