高中英语选修六 unit4 Warming up and reading 3
4.The rise in carbon dioxide is causing a steady increase in global warming. ( )
T
5.George Hambley believes that global warming will T do good rather than harm to the earth . ( )
Main idea of the text
Part1
Paragraph 1
How global warming comes about? (全球变暖是怎样产生的) Two different opinions about global warming.
Part2
Paragraphs 2 to 5
Positive effects
1. make plants grow quicker 2. crops will produce more 3. a greater range of animals 4. make life better
The glaciers of the Poles are starting to melt due to the increasing temperatures caused by global warming.
animals
Of the two ideas, which are you in
favor of ?
The Dr Janice Foster’s.
Why ?
Because we have witnessed a large number of disasters predicted by some people.
George Hambley More carbon dioxide is positive thing, a __________ which makes crops produce more and __________ will encourage a greater range of ____________________.
Unit 4 Global Warming
Lead in
• 1. Compared to the past few years, what is the wearher like this year? • 2. Do you want to check it out?
Here are some pictures based on the actual life scenes in these years for you to refer to.
Reading
The Earth is Becoming Warmer --But Does It Matter?
地球在变暖——
要不要紧？
Fast Reading
Glance quickly at the magazine article and answer the questions.
1.Who wrote the magazine article? What is the name of the magazine? → Sophie Armstrong, Earth Care. 2.What are the names of the three scientists mentioned in the article? → Dr Janice Foster, Charles Keeling, George Hambley.
Extreme heat 酷暑
• Do you think the whole world is becoming warmer and warmer?
• But does it matter? This is the topic we are going to discuss for today.
6.It is clear what the F effects of global warming will be. ( )
Questions
How has the global warming come about(产生)?
①Human activity--- burning of fossil fuels.
Part3
Paragraph 6
Should we do anything?
Part4
Paragraph 7
The earth is becoming warmer.
True or false
Read the article carefully and finish Part 2 on Page 27
Return the green world to us
Summary
旨在
This passage aims at showing us how does global warming____________. come about It also introduces attitudes two different _________of scientists towards the increase of temperature. Dr. Janice Foster thinks negative that it is a _________thing. Dr. Hambley thinks that it is a _______thing. However, __________ positive no one knows the exact effects of global warming.
1.The temperature in the last century didn’t increase much. T ( )
2.Everyone believes that global warming isTcaused by the activities of humans. ( )
3.Janice Foster believes that she can measure F the future global rise in temperature. ( )
.
.
Try to reduce the use of motor vehicles
bike
electric vehicle
Solar energy car
running
Planting trees
Cleaning the rubbish
×Байду номын сангаас
×
×
√
.
×
Low-carbon life √
（低碳生活）
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 carbon dioxide content of the atmosphere went up from around 315 parts per million to around 370 parts per million from 1957 to 1997 (See Graph 2 on Page 26 )
What are the effects and disasters of global warming?
Negative effects
负面影响
Positive effects
正面影响
1. cause the sea level to rise 2. severe storms 3. floods 4. droughts 5. famines 6. the spread of diseases 7. disappearance of species
destruction of species
Summary
How
Effects
1. Human activities
2.Greenhouse gases
Carbon dioxide
Negative effects
1. cause the sea level to rise 2. severe storms 3. floods 4. droughts 5. famines 6. the spread of diseases 7. disappearance of species
1.Read the text again, and try to retell it. 2.Find out the difficult sentences in the passage .
Homework
Positive effects
1. make plants grow quicker 2. crops will produce more 3. a greater range of animals 4. make life better
What should we do about the terrible effects above?
Negative effects
1. cause the sea level to rise 2. severe storms 3. floods 4. droughts 5. famines 6. the spread of diseases 7. disappearance of species
The two different viewpoints towards the effects of global warming between Dr. Janice Foster and George Hambley
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选修六 Unit 4 warming up and reading
• How has global warming come about? • 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. • 2. All scientists subscribe to the view that the increase in the earth’s temperature is due to the burning of fossil fuels like coal….to produce energy.
fridge
heating
things that use energy in our life
hairdryer
washing machine
things that use energy in our life
electric fan
electromagnetic oven
Do you know how energy is produced? How many sources of energy can you list?
renewable
biomass energy
renewable
nuclear power plant
non-renewable
an oil refinery(精炼厂)
non-renewable
coal power station
non-renewable
natural gas
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
人教版高中英语选修6 Unit 4 warming up andreading课件共49张
stove
washing machine
Windmills
Wind energy is used as power to
produce electricity .
The coal power stations
where electricity is
produced by burning coals.
---But Does It Matter?
Fast reading
This article is from ________. a. a magazine b. the internet
c. a book
What is the structure of a magazine like
this and how is the text organized?
It has a title , a first paragraph runs across the page and is in bold, main text in two columns, graphs/diagrams , two quotes .
that
the
Questionnaires -I
__p_r_o_d_u_c_e__ and will
encourage
__a__g_r_e_a_te_r_r_a_n_g_e_o_f____.
animals
Other people's idea
Some people
others
The sea level predict__s_e_v_e_re__s_t_o_rm__s r_is_e__b_y__s_e_v_e_r_a_l _ _d_r_o_u_g_h__ts__,_f_a_m__in_e_s_, m__e_t_re_s_________. f_lo_o_d__s_,_th__e_s_p_r_e_a_d__o_f_
washing machine
Windmills
Wind energy is used as power to
produce electricity .
The coal power stations
where electricity is
produced by burning coals.
---But Does It Matter?
Fast reading
This article is from ________. a. a magazine b. the internet
c. a book
What is the structure of a magazine like
this and how is the text organized?
It has a title , a first paragraph runs across the page and is in bold, main text in two columns, graphs/diagrams , two quotes .
that
the
Questionnaires -I
__p_r_o_d_u_c_e__ and will
encourage
__a__g_r_e_a_te_r_r_a_n_g_e_o_f____.
animals
Other people's idea
Some people
others
The sea level predict__s_e_v_e_re__s_t_o_rm__s r_is_e__b_y__s_e_v_e_r_a_l _ _d_r_o_u_g_h__ts__,_f_a_m__in_e_s_, m__e_t_re_s_________. f_lo_o_d__s_,_th__e_s_p_r_e_a_d__o_f_
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unit4warmingupandreading课件
listening
Listen to the reading passage and do some choices.
1. Who found out the amount of carbon dioxide in the atmosphere from 1957 to 1977? A. Dr. Janice Foster. B. Charles Keeling. C. George Hambley. D. Sophie Armstrong.
energy sources
cassette player micro-wave oven
heating
fridge
things that
light
use in
eysnoteourrvgey
hairdryer
home
television computer
stove
video player washing machine
2.Everyone believes that global warming is caused by the
activities of humans. T
3.Janice Foster believes that global warming is caused
by burning fossil fuels. F 4.Natural gas is a greenhouse gas. T 5.Carbon dioxide is a byproduct of burning fossil fuels. T
5.What is the main topic of the article?
Global warming / The warming of the earth.
人教版英语选修6第四单元warmingup和reading
Reading 2
Read the passage carefully and judge whether the statements are true or false?
1.The temperature in the last century didn’t seem to
increase too much.( T )
TV
Fridge
Washing machine
Things depending energy in our everyday life
Air conditioner
Microwave oven
Where does all this energy come from? Make another list of as many resources As you can.
Read the passage again and make the best choices.
1. Who found out the amount of carbon dioxide in the atmosphere from 1957 to 1977? A. Dr. Janice Foster. B. Charles Keeling. C. George Hambley. D. Sophie Armstrong.
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?
人教版高中英语选修六unit4warmingupandreading课件
2. "But there are some very different attitudes among scientists towards this issue.” “issue" here means the same as the one in___ . A. I bought the new stamp the day of its issue. B. They are talking about one of the key issues in the election campaign. C. The government is expected to issue a statement about the election. D. The magazine has 12 issues each year.
The Hydro- are used to keep back electric dams water and raise its level
for irrigation or for producing electricity, etc.
Uranium Ore (铀矿石)
The element uranium does not occur in pure form in nature but is found in minerals such as
Windmills
Wind energy is used as power to produce electricity .
The coal power stations
where electricity is produced by burning coals.
in which oil is refined and made pure.
人教版高中英语选修六unit4warmingupandreading课件新
Renewable/nonrenewable
non-renewable non-renewable non-renewable
renewable
renewable
non-renewable
renewable renewable renewable
renewable
What are these buildings made of and what is their purpose?
3. The author probably agrees that ________ 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.
energy sources
cassette player micro-wave oven
heating
fridge
things that
light
use in
eysnoteourrvgey
hairdryer
home
television computer
stove
video player washing machine
It has a title, a first paragraph that runs across the page and is in bold, the main text in two columns, graphs/diagrams, two quotes.
英语选修六unit4 Warming up and reading PPT
What disasters are they?
Flood famine
Drought storm
Can you guess what cause these disasters? What are the reasons of global warming?
smoke from cars
smoke from factories
renewable
washing hot springs or geysers machine (geothermal energy) hairdryer the sea (tidal energy)
renewable renewable
Renewable or non-renewable?
Renewable or non-renewable?
cut down trees
Plastic bags
Pre-reading 1.Have you ever seen a greenhouse?
What is a greenhouse made of and used for? A greenhouse is made of __g_la_s_s_ and is used for growing _p_l_a_n_t_s_, especially during _c_o_l_d_ weather.
6. 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
人教版高中英语选修6 Unit4 Warming up and Reading 精品课件
Giving examples, making contrast.
(Paragraph 6)
It’s up to readers to Using a question,
think and decide
leaving readers to
whether people should think over the
(Paragraph 1) Introduce a debate Raising a question over the issue of global warming.
Main ideas of each Writing techniques
part
(Paragraphs 2---3) Illustrate how
nonrenewable
fridge
water (hydroelectric)
renewable
stove
washing machine
plant waste (biomass energy)
hot springs or geysers (geothermal energy)
renewable renewable
Scientists Opinion Janice ◆ Over the next 100 years the Foster 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 _c_a_ta_s_t_r_o_p_h_e_.