选修6 unit4 global warming-Reading

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人教版英语选修六Unit 4 Global Warming(Reading) 课件(共42张PPT)

4. Greenhouse gases continue to build up in the atmosphere.
5. George Hambley believes that global warming will do good rather than harm to the earth.
Researchers say these changes are having severe effects on animals such as penguins, seals and polar bears. Changes in temperature and wetness in the air can also affect the reproduction of some reptiles and amphibians. For example, the sex of baby painted turtles is linked to the average temperature in July. Scientists say even small temperature increases can threaten the production of male turtles. In Europe, scientists say warmer temperatures are affecting the spring and autumn seasons.
What’s worse, the glaciers (冰川) of the South Pole are beginning to crack (破裂).
The sea level to rise.
Tsunami (海啸)
Tornados (飓风)

选修6Unit4 Global-warming-Reading课件

A. The cause of the earth`s becoming warmer B.The consequence of burning fossil fuels C.The increase of carbon dioxide D.Global warming will go on E.Puzzles about global warming F.Different attitudes to global warming G.An introduction to the passage
Careful Reading
Read the article carefully and finish Ex. 2 on Page 27 True or 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)
高二英语选修6 Unit4 Global Warming
Reading
THE EARTH IS BECOMING WARMER-BUT DOES IT MATTER?
Байду номын сангаас
Questions
1. What’s the weather like today？ What’s the weather like this winter ? pared to the past few years, what’s the weather like this year ? 3.Do you think the whole world is becoming warmer and warmer?

选修6 Unit 4 Global warming Reading

Main idea of each part Writing techniques (Paragraph 6)
It’s up to readers to think and decide whether people should do something about global warming or not. Using a question, leaving readers to think over the issue.
Main idea of each part
Writing techniques
(Paragraphs 4– 5)
List two different attitudes among scientists towards global warming. Giving examples, making contrast.
Sample lists
Things that Sources of use energy energy Renewable / non-renewable
light
heating
coal
oil
non-renewable
non-renewable
television cassette player
natural gas
wind (wind power)
nonrenewable renewable renewable
video recorder
sun (solar energy)
uranium noncomputer (nuclear energy) renewable
fridge stove
6. What do you think greenhouse gases do? They trap the heat of the sun and keep the air surrounding the earth warm. 7. How do you understand “greenhouse effects”?

新人教选修6-Unit4-Global-warming-Reading[阅读课件]

10.It is clear what the effects of global warming will be. ( F)
Careful Reading
1.Read the text again and try to get the main idea of the article.
The main idea of the passage: Part 1(Paragraphs 1)
高二英语选修6 Unit4 Global Warming Reading
THE EARTH IS BECOMING WARMER-BUT DOES IT MATTER?
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.
uranium Ore (铀矿石)
non-renewable
① What are they? ② What are these buildings made of?
greenhouse / glass
Turn to Pre-reading 1,
③What’s the use? Page 25. A greenhouse is used for_____________, growing plants Read & answer. especially during ____ weather. cold

新人教选修6Unit4Globalwarming-Reading[阅读课件]

1.Read the text again and try to get the main idea of the article.
The main idea of the passage:
Part 1(Paragraphs 1)
Introduce a debate over the issue of global warming
①Human activity--- burning of fossil fuels.
② Greenhouse effect--- greenhouse gases--- we need those gases.
③ We add huge quantities of extra carbon dioxide to the atmosphere by burning Fossil fuels.
The two different viewpoints towards the effects of global warming between Dr. Janice Foster and George Hambley
Dr. Janice Foster
George Hambley
Carbon dioxide has
Let’s make this world a better place !
Part 2(Paragraphs 2-4)
Illustrate how global warming comes about
Part 3(Paragraphs5-10)
List two different attitudes among scientists towards global warming
Assignment

新人教选修6_Unit4_Global_warmingReading阅读 ppt课件

3. Does he think a person himself can slow down global warming?
Have little effect
4.Does he give up his plan?
No . He still advocate improvements.
新人教选修 6_Unit4_Global_warmingReading
Planting trees Cleaning the rubbish
新人教选修 6_Unit4_Global_warmingReading
electric vehicle bike
running
新人教选修 6_Unit4_Global_warmingReading
×
×
×
新人教选修 6_Unit4_Global_warmingReading
C. Individuals can’t save energy
to slow down global warming.
新人教选修 6_Unit4_Global_warmingReading
So what is Earth Care’s attitudes?
• Individuals can make a difference
√
Group works • Group works to discuss
what else we can do to slow down global warming?
新人教选修 6_Unit4_Global_warmingReading
Wind energy is used as power
➢Which is true according to the

高二选修六 Unit 4 Global warming-Reading

3. All scientists subscribe to 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. 所有的科学家都同意这个观点，即地球温度的升高是由于为了产生能量而燃烧化石燃料，如煤、天然气和石油。 4. On the other hand, there are those, like George Hanbley, who are opposed to this view and believe that we should not worry about high level of carbon dioxide in the air. 另一反面，还有一些人，像乔治. 汗布利，反对这个观点并且认为我们不必担心空气中有高含量的二氧化碳。定语从句, 修饰句式分析: ……. who…… ,who 引导的一个_____ 宾语 those 在这个从句中又含有一个that 引导的______ 先行词_______, 从句，且that 不从当任何成分。
Presenting 1.Match the main idea of each part. Part1 (1)--B Part2(2-5)--C Part3 (6)--A Part4(7)--D
2.The answers to the reading comprehension: CABDA 3.True or false?
Explaining
★1. There is no doubt that the earth is becoming warmer and that it is human activity that has caused this global warming rather than a random but natural phenomenon. 毫无疑问，地球是在变暖，而地球变暖正人类活动所致的，并非是一种无规律的自然现象。句式分析：There is no doubt that ……and that 两个that 从句同位语从句，说明doubt 的内容,两个that都都为doubt 的_________ 强调句型，不能省; 且第二个that 引导的从句中有含有一个_____ 即 it is…… that… 。 2. They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide. 他们还认为正是由于燃烧的化石燃料越来越多而导致了二氧化碳的增加。句式分析：……agree that…… that 引导宾语强调了一个 _____ 从句，且这个从句中含有一个 ______ 句型。

人教版高中英语选修六unit4globalwarming-reading教学课件

Writing
Write down the advantage or disadvange of global warming in your opinion.
Homework
Surf the Internet for more information about global warming.
高中英语课件
madeofcanruohanxing
Reading:
The Earth Is Becoming Warmer-But Does It Matter?
Which of the following picture doesn't show the phenomenon of global warming?
Para.5
E.puzzles about global warming
Para.6
F.different attitudes to global warming
Para.7
G.an introduction to the passsage
Paragraph1 graph about? What has caused this phenomenon? It shows the temperature increase of one degree Farenheit between 1860 to 2000. Human activity.
Para.1
A. the cause of the earth's becoming warmer
Para.2
B.the consequence of burning fossil fuels
Para.3
C.the increase of carbon dioxide

新人教选修6_Unit4_Global_warming-Reading阅读课件

1.A lot of peaple have the sense of doing something against global warming. (T)
2.Earth Care suggest people put up with pollution. (F )
3.you’d better buy things made from new materials. ( F)
• let's make things better. 让我们做得更好。
• Thank you
➢What suggestions does Earth Care give him?
①Turn electrical appliances off when not using them.
②Don’t turn up the heat, put on more clothes.
➢suggestion list
①Turn electrical appliances off when not using them. ②Don’t turn up the heat, put on more clothes.
③Walk or ride a bike, don’t drive. ④Recycle.
fast reading
• Read the passage and get the main idea.
This passage contains two letters, the first letter is written by Ouyang Guang , who asks suggestions from the Earth Care. The second letter is about _s_u_g_g_e__st_io_n__s __ given by the Earth Care.

[英语学习]选修6unit4-Global warming-reading

1. Who found out the amount of carbon dioxide in the atmosphere from 1957 to 1977? B A. Dr. Janice Foster. B. Charles Keeling. C. George Hambley. D. Sophie Armstrong.
2.Sources of energy
Things that use energy
In a house
Things that use energy
Sources of energy
lights television cassette player computer fridge stove washing machine hairdryer video recorder
What can we do about global warming?
Homework
A What can we do about global warming?
B
Comprehending: P 27 1-2
Part 4(Pa 7)
It’s up to readers to think and decide whether people should do something about global warming or not.
Reading IV (3〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓〓
Unit4 Global Warming
The Earth Is Becoming Warmer – But Does It Matter?
Warming up – I ( ３m )
Work in groups ---list things as required :

高中英语高三选修六第四单元Global Warming Reading

Unit 4
Global warming
Reading
Global warming also causes many
extreme weather events.
drought
sandstorm
Desertification
glaciers melt 冰川融化
sea level rises
giving examples, making contrast
Part4 (7)
It's up to readers to think and decide whether people should do something about global warming or not.
leaving a question
How global warming comes about.
giving examples, using graphs, explanation
Part3 (6)
List two different attitudes among scientists towards global warming.
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 are the two graphs about?
Part3 What are the positive (6) effects of global
warming? ❖ a rise in the sea level ❖ Severe storms, droughts, famines,

选修6unit4globalwarming-reading课件

学科网
What can we do about global warming ?
Discussion: Group work
If you are a reader of the magazine Earth Care, please give some suggestions about the global warming.
1.What do the two graphs show?
The graph1 shows the temperature _i_n_c_re_a_s_e_ of one degree Fahrenheit between 1860 to 2000.
Graph 1:
The earth is becoming warmer. Graph 2:
heat from the sun, and warm the sun. T
5. It's clear that the effect of the global warming will be. F
Task2:
How many paragraphs is the article? Divide the text into 4 parts. Try to sum up the main idea of each part.
carbon dioxide water vapor methane
the burning of fossil fuels the greenhouse gases
The earth is becoming __w__a_r_m_e__r __.
Reading
The earth is becoming warmer -But does it matter?

高中英语选修六人教版：Unit+4+Global+Warming+(reading)+课件

George Hambley
More carbon dioxidch makes crops __p_r_o_d_u_c_e__ more and will encourage _a__g_re_a_t_e_r_r_a_n_g_e__o_f _____ _a_n_i_m_a_l_s__.
1.
The rise in carbon dioxide is causing a steady increase in global warming.
T
2. Everyone believes that global
T
warming is caused by the activities of
humans.
Part3 (6)
List two different attitudes among scientists towards global warming.
giving examples, making contrast
Part3 (7)
It's up to readers to think and decide whether people should do something about global warming or not.
B. The carbon dioxide content in the air increased by 70 parts per million from 1957 to 1997.
C. All scientists accept the data in graph 2 except Charles Keeling.
fridge heating
things that use energy in our life

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Read the passage quickly (3’)
1) How many paragraphs does the reading text consist of? Please number them. 2) Make a division of the text.
Fast-Reading
leaving a question
Are the risks too great?
So can you predict the future of the global warming?
Careful reading
Part1 (1)
Introduction of global warming.
Main ideas of each part:
Part1 (1)
Introduce a debate over the
issue of global warming.
raising a question
Part2 (2-5)
How global warming
comes about.
giving examples, using graphs, explanation
Debate
Discussion:
What we should do to protect our earth?
1. Reduce the burning of fossil fuels 2. Plant trees 3. Use bags that can be recycled …
Language points
Part3 (6)
List two different attitudes among scientists towards global warming.
giving examples, making contrast
Part3 (7)
It's up to readers to think and decide whether people should do something about global warming or not.
1. ___________________ human activity 2. ___________________________ the burning of fossil fuels What are the Greenhouse gases?
1. Carbon dioxide 2. Methane 3. Water vapor
1. It is a rapid increase when compared to other natural changes. compare vt. 1)比较; 对照 compare…with…表示“把…与…相比 (同类相比)” 如： Compare your answers with those at the back of the book to see if they are right. 把你的答案同书后面的答案对照一下, 看看是否正确。
3. What are Greenhouse Gases?
1
2 1
Water vapor Carbon dioxide Nitrous oxide氧化亚氮 Methane
3
4 5
Ozone臭氧
Reading
THE EARTH IS BECOMING WARMER BUT DOES IT MATTER?
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 1997.
warming could be very serious (严重的).
George Hambley thinks global warming will be
mild with few bad environmental consequences.
believes it is the burning of more Charles Keeling and more fossil fuels that is resulting in a big increase in carbon dioxide.
1. Sophie Armstrong, Earth Care. 2. Dr Janice Foster, Charles Keeling, George Hambley.
3. What do the three scientists think about global warming?
Dr. Janice Foster thinks the effects of global
4. The rise in carbon dioxide is causing
ቤተ መጻሕፍቲ ባይዱ
T
a steady increase in global warming.
5. George Hambley believes that global
warming will do good rather than harm
2. Which of the following is Dr Janice Foster‟s opinion? A A. The result of the temperature increase will be serious. B. The amount of warming is nothing serious. C. We needn‟t worry about high levels of carbon dioxide. D. Global warming is a natural phenomenon.
2. 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.
高二人教新课标版选修六
Unit 4
Global warming
Reading
Pre-reading
1. Have you ever seen a greenhouse?
is made of glass
used for growing plants, especially during cold weather.
Part3 (6-7)
What are the effects of global warming?
a rise in the sea level
Severe storms, droughts, famines,
the spread of diseases, and the
disappearance of species
3. Which of the following is TRUE according to the text? A A. The temperature of the earth increased about one degree Fahrenheit during the 20th century. B. The carbon dioxide content in the air increased by 70 parts per million from 1957 to 1997. C. All scientists accept the data in graph 2 except Charles Keeling. D. Janice Foster says that more carbon dioxide will make plants grow faster.
The different ideas between Dr. Janice Foster & George Hambley
Dr. Janice Foster Carbon dioxide has caused the global temperature to go up __________. An increase of five degrees would be a catastrophe ___________ and could be very serious _____________. George Hambley More carbon dioxide is a __________ thing, positive which makes crops produce __________ more and will encourage a greater range of _____________________ animals _________.
Make plants grow faster…
Read and answer the questions. 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?