人教版高中英语选修6课件 Unit 4课件
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2012版高中英语全程复习方略配套课件：Unit4《Global warming》(新人教版选修6)
It is OK to leave an electrical appliance on so long as you are
using it（只要你在用它）—if not, turn it off!
5. it作形式主语，代指不定式的用法 It takes a lot of energy to make things from new materials （将新材料制成物品）, so, if you can, buy things made from recycled materials.
【解析】选 B。句意：全球变暖的原因是人类行为所致而不 是一种随意的自然现象。 rather than 而不是； other than 除
了；more than不仅仅，多于；less than少于。
2. All scientists _____ the view that the increase in the earth’s temperature is due to the burning of fossil fuels like coal, natural gas and oil to produce energy. A. contribute to C. object to B. lead to D. subscribe to
Ⅳ. 教材设题 1. It is human activity that has caused this global warming _____ a random but natural phenomenon. A. other than B. rather than
C. more than
D. less than
driving licence reached 200, 000, a（n）______ of 40, 000 per
新教材高中英语选修6Unit 4 Global warming
赶上
②catch up with
赶上
③end up with
以……结束
④come up with
提出
⑤put up with
忍受；容忍
⑥be fed up with
受够了
2.“be＋v.－ed＋to”短语荟萃
①be opposed to
反对；与……对立
②be attached to
附属于
③be accustomed to
习惯于
④be addicted to
沉溺于
⑤be devoted to
奉献
⑥be sentenced to
被判处
(三)重点句式——背熟巧用
句型公式
教材原句
句型 1：There is no
doubt that...毫无疑
_T__h_e_r_e_i_s_n_o__d_o_u_b_t_t_h_a_t_ the earth is becoming warmer... 毫无疑问，地球正在变暖……
long as 意为 — if not, turn it off!
“只要”，引 只要你在使用电器设备，你就可以让它开着——如果不用，就把它关
导条件状语从 掉！
句
It is OK to leave an electrical appliance on so long as you are using 句型 4：if not
新教材高中英语必修6 Unit 4 Global warming
01
教材梳理 自测自评
02
考点串讲 重难突破
03
高效演练 跟踪检测
04
课后达标检测
(一)重点词汇——分类记忆 Ⅰ.阅读词汇——知其意 1．graph n. 2．renewable adj. 3．phenomenon (复数－ena) n.
2020人教版(新课改适用)高中英语选修6 Unit 4 Global warming Section Ⅰ
Here are some consequences of global warming： Climate pattern change Heat waves will be more severe and happen more often. Warmer temperatures could also increase the probability of drought④ and wildfire. Warmer temperatures increase the energy of the climatic system and lead to more serious rainfall at some times and in some areas.
曲线图
and that it is human activity that has ⑧random/'rændəm/adj.胡乱的；
caused this global warming rather 任意的
than a random⑧ but natural ⑨ phenomenon/fI'nɒmInən; US
Rising global temperatures will speed the melting of glaciers and ice caps, and cause rivers and lakes rise.
Ecosystem destroyed The increase in global temperatures is expected to destroy ecosystems⑧ and result in loss of some species.
phenomenon⑨.
fə'nɑːmənɑːn/( 复 数 -ena/-I nə；
高二英语人教版选修六 Unit4 Global warming 单词讲解
quantities of 大量的 tend vi. 趋于，易于，照顾
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
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
Unit 4 Warming up and Reading 课件-高中英语人教新课标选修六
• 大气层
8. fossil fuel
• 化石燃料
9. carbon dioxide
• 二氧化碳
10. renewable source
• 可再生资源
11. non-renewable source
• 不可再生资源
12. Natural resources
• 天然资源
• Now that we have learned some sources of energy are non-renewable, What should we do with energy ?
Carbon dioxide has caused the global temperature to __g_o__u_p____. An increase of five degrees would be a _c_a_ta_s_t_r_o_p_h_e_ and could be _v_e_r_y__s_e_ri_o_u_s__.
giving examples, using graphs, explanation
Part3 (6)
List two different attitudes among scientists towards global warming.
giving examples, making contrast
makes the greenhouse
_h_e_a_t_u_p___and so the
plants can grow throughout the cold period.
What function do greenhouse gases play?
Greenhouse gases perform the same function
新人教选修六-Unit-4-Global-warming[单元课件
tend (to) 照顾
2)tendency n.倾向 a tendency to/towards sth…的倾向，趋势 have a tendency to do sth. 倾向于做某事， 往往会做某事
Eg. My grandmother tends to go to bed early every day.
5. Without the ‘green house effect’, the earth would be about thirty-three degrees Celsius cooler than it is. 如果没有温室效应, 地球会比现在冷33℃。 这是一个含蓄虚拟条件句。 有时假设的情况并不以条件从句形式表示 出来, 而是通过一个介词短语或其他方式 表示。常用的词或短语有: without, but for,
e.g. What are you going to do with the amount of money?
7. It means that more heat energy tends to be trapped in the atmosphere causing the global temperature to go up.
Compared with your brother, you
should make greater efforts to study English.和你哥哥相比，你应该更加努 力学习英语。
3. So how has this come about and does it matter?
come about: 发生, 造成, 相当于happen 你能告诉我事情是怎么发生的吗？
①用于否定句或疑问句, 后接that引导的宾语 从句。 ②用于肯定句, 一般接whether 或if引导的宾语 从句。 如: I don't doubt _t_h_a_t__ he is telling the truth. 我毫不怀疑他在讲真话。
2)tendency n.倾向 a tendency to/towards sth…的倾向，趋势 have a tendency to do sth. 倾向于做某事， 往往会做某事
Eg. My grandmother tends to go to bed early every day.
5. Without the ‘green house effect’, the earth would be about thirty-three degrees Celsius cooler than it is. 如果没有温室效应, 地球会比现在冷33℃。 这是一个含蓄虚拟条件句。 有时假设的情况并不以条件从句形式表示 出来, 而是通过一个介词短语或其他方式 表示。常用的词或短语有: without, but for,
e.g. What are you going to do with the amount of money?
7. It means that more heat energy tends to be trapped in the atmosphere causing the global temperature to go up.
Compared with your brother, you
should make greater efforts to study English.和你哥哥相比，你应该更加努 力学习英语。
3. So how has this come about and does it matter?
come about: 发生, 造成, 相当于happen 你能告诉我事情是怎么发生的吗？
①用于否定句或疑问句, 后接that引导的宾语 从句。 ②用于肯定句, 一般接whether 或if引导的宾语 从句。 如: I don't doubt _t_h_a_t__ he is telling the truth. 我毫不怀疑他在讲真话。
高中英语配套课件：选修6 Unit 4 Period 1(人教版)
responsible for the dirty air in the around
cities. The fumes from iron, steel, chemical, and petroleum production add particles to the air.
话题美文欣赏
课前自主学习
话题美文欣赏 课前自主学习 课堂互动探究
( ( (
) ) )
3．The fumes from coal and oil may cause metal to turn
4.In larger cities, the fumes from coal and oil may
Ⅱ.佳句仿写 1．诚实加苦干有助于成功和幸福。 Honesty and hard work contribute ________ ________ ________ to success ________ and ___________. happiness
Warming Up, Pre-reading & Reading
Ⅰ.单词识记
1． ________v. to pay money, usually once a year, to have subscribe copies of a newspaper or magazine sent to you, or to have some other service 2．________ consume v．to use sth up，especially fuel，energy or
Unit 4
Global Warming
People and the sources of air pollution are found in the same places. This means that cities
高中英语选修六--Unit 4
单词1．consume v．消费，消耗；吃完；喝光Each year Americans consume a high percentage of the world's energy.每年美国人都消耗掉世界能源的很大比例。
This will consume his health, destroy his temper.这将损害他的健康，毁坏他的情绪。
How many rice did you consume last year?去年你们吃了多少大米？拓展：consumer n．消费者，用户，消费品consumer goods (家用)消费品consumers' association 消费者协会consumption n. 消费(量)，消耗(量)timeconsuming adj. 耗费时间的consuming adj. 消费的；强烈的例句：The ancient consumer city was now turned into a modern industrial base. 这个古老的消费城市今天已经变成了一个现代化的工业基地。
It's vital to impress the consumer with a good advertising campaign.进行广告宣传，使消费者熟悉产品，是至关重要的。
He has to cut down on the consumption of meat.他不得不减少吃肉。
Basketball is his consuming passion.篮球令他着迷。
练习：用consume的适当形式填空①We should adopt the ____________ suggestion.②Industrialized countries are _____________ 70% of the world's energy.③We have measured the car's fuel _____________.④She _____________ the big cake.Consumers’consuming consumption consumed2．subscribe vt.&vi.(1)捐助；捐赠He subscribed a large sum of money to charities.他向慈善团体捐赠了一大笔钱。
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Janice Foster
Scientists
Opinion
Janice Foster ◆ Over the next 100 years the amount of warming could be as low as 1 to 1.5 degrees Celsius, but it could be as high as 5 degrees Celsius. ◆ An increase of five degrees would be a catastrophe ___________.
fridge stove
water (hydro-electric) plant waste (biomass energy) hot springs or geysers (geothermal energy) the sea (tidal energy)
renewable renewable
washing machine
• How does it work? The air inside is warm because the glass traps the heat from the sun and keeps it from escaping. This makes the greenhouse heat up and so the plants can grow throughout the cold period.
(Paragraph 6)
It’s up to readers to think and Using a question, leaving decide whether people should readers to think over the do something about global warming or not. issue.
3. We can replace fossil fuels with cleaner sources of energy. Disagree 4. Nuclear power is a good source of energy. Disagree
1. We should stop depending on fossil fuels for our energy. 2. 90% of our energy comes from fossil fuels. 3. We can replace fossil fuels with cleaner sources of energy. 4. Nuclear power is a good source of energy.
• What do you think greenhouse gases do? They trap the heat of the sun and keep the air surrounding the earth warm.
Main ideas of each part
Writing techniques
an oil refinery
a nuclear power plant
solar panels
hydro-electric dam
Li Bin is interviewing Professor Keeling about using different sources of energy. Read the statements below and tick the ones you agree with.
Fossil fuels
Wind power
• clean • not practical: need huge areas of land to provide enough energy
Energy from the • clean • not very practical with present sun
What is told in the picture?
Sample lists
Things that use energy Sources of energy Renewable / non-renewable
light
heating
coal
oil
non-renewable
non-renewable
Giving examples, using
graphs, explanation.
warming comes about.
(Paragraphs 4---5)
List two different attitudes Giving examples, among scientists towards making contrast. global warming.
technology
Nuclear power
• does not produce carbon dioxide • dangerous
• 3. Listen to Part 2 and then list three things we can do to save energy.
First we must try to find ways to use fossil fuels that does not put carbon dioxide into the air. Second we must produce products that are economical with energy. Third we must ask people to cut down on the energy they use.
人民教育出版社
| 选修六
Unit 4
Global warming
Speaking and Listening
From the following pictures, you will know where all this energy comes from.
windmills
a coal power station
television
natural gas
non-renewable renewable renewable non-renewable
cassette player wind (wind power) video recorder sun (solar energy) computer uranium (nuclear energy)
Scientists George Hambley
Opinions ◆ Believes that we shouldn’t worry about __________ high levels of carbon dioxide in the air. ◆ Predicts that any warming will be mild with consequences few bad environmental ____________. States that more carbon dioxide is actually ◆ ______ a ________ positive thing, which will make life for human beings better.
(Paragraph 1)
Introduce a debate over the issue of global warming. Raising a question
Main ideas of each part
(Paragraphs 2---3) Illustrate how global
Writing techniques
II. Choose the best answer. 1. The first graph in the text is used to ________. A. attract readers’ attention B. introduce the topic of global warming C. act as an example D. support the opinion and make it more convincing
1. Listen to Part 1 and decide which statements
Professor Keeling does NOT agree with.
1. We should stop depending on fossil fuels for Agree our energy. 2. 90% of our energy comes from fossil fuels. Agree
community. That means _________ developed and developing countries will have to work __________ together.
developing LI BIN: But it’s not the __________ countries that
I. Read the text carefully and fill in the blanks. Scientists Opinion gases like carbon dioxide, ◆ We need ______ methane and water vapour, but if we add huge ___________ quantities of extra carbon dioxide to the atmosphere by burning fossil fuels, it will cause the ________________ global temperature to go up.