高中英语选修六unit4-reading
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选修六unit4Reading
George Hambley
More carbon dioxide is a _p_o_s_i_ti_v_e___ thing,
which 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__.
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__se_r_i_o_u_s__.
What are the Greenhouse gases?
1. Carbon dioxide 2. Methane 3. Water vapor
Part3 What are the effects of 6 global warming?
❖ a rise in the sea level ❖ Severe storms, droughts, famines,
3. What are Greenhouse Gases?
1 Water vapor
12 Carbon dioxide
3 Nitrous oxide
4
Methane
5
Ozone
4. Greenhouse Effect
Greenhouse gases trapped the heat from the sun, which causes the temperature of earth goes up.
选修六unit4reading
Matter?
选修六unit4reading
Look at the magazine title quickly and try to find out : how is the text organized?
It has a title; a first paragraph that is in bold; the main text; Diagram(graph); some quotes.
solar panels
hydro-electric dam
选修六unit4reading
energy sources
Renewable
supplies of it never run out
non-renewable: one day they will run out.
选修六unit4reading
选修六unit4reading
6. What are the “greenhouse gases”? In the atmosphere surrounding the earth there are gases, which are called “greenhouse gases”, including carbon dioxide, methane(甲烷, 沼气) and water vapor.
选修六unit4reading
2. Where does all this energy come from?
Wind power
a coal power station
选修六unit4reading
an oil
refinery
炼油厂
a nuclear power plant
选修六unit4reading
Look at the magazine title quickly and try to find out : how is the text organized?
It has a title; a first paragraph that is in bold; the main text; Diagram(graph); some quotes.
solar panels
hydro-electric dam
选修六unit4reading
energy sources
Renewable
supplies of it never run out
non-renewable: one day they will run out.
选修六unit4reading
选修六unit4reading
6. What are the “greenhouse gases”? In the atmosphere surrounding the earth there are gases, which are called “greenhouse gases”, including carbon dioxide, methane(甲烷, 沼气) and water vapor.
选修六unit4reading
2. Where does all this energy come from?
Wind power
a coal power station
选修六unit4reading
an oil
refinery
炼油厂
a nuclear power plant
人教版高中英语选修六Unit4 Reading课件
Lead-in
➢ Talk about a movie.
Prediction
➢ What will the passage talk about?
title, graph & writing style
Fast reading
➢ Task one: read para.1 fast.
main idea
➢ Learn the writing style of the passage.
➢ Get a better understanding of articles of this kind.
Teaching approaches
➢ Task-based language teaching. ➢ Cooperative language teaching. ➢ Communicative language teaching.
Teaching objectives
➢ Knowledge objectives.
learn & read & understand
➢ Ability objective.
develop reading skills
➢ Learning strategies.
self-learning & cooperative learning
➢ The writing techniques.
introduce-analyze-explain-conclude
Analysis of the students
➢ Senior two students.
the knowledge of global warming the language skills
新课标人教版选修六Book6 Unit4 Reading优质课件
新课标人教版选修六Book6 Unit4 Reading优质课件
新课标人教版选修六Book6 Unit4 Reading优质课件
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.
新课标人教版选修六Book6 Unit4 Reading优质课件
新课标人教版选修六Book6 Unit4 Reading优质课件
3. What do they think about global warming? Do they agree with one another? They don't agree with each other. Dr. Janice Foster thinks the effects of global warming could be very serious.
global warming comes explanation.
about.
新课标人教版选修六Book6 Unit4 Reading优质课件
新课标人教版选修六Book6 Unit4 Reading优质课件
(Paragraphs 4---5 ) List two different attitudes among scientists towards global warming.
新课标人教版选修六Book6 Unit4 Reading优质课件
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.
新课标人教版选修六Book6 Unit4 Reading优质课件
新课标人教版选修六Book6 Unit4 Reading优质课件
3. What do they think about global warming? Do they agree with one another? They don't agree with each other. Dr. Janice Foster thinks the effects of global warming could be very serious.
global warming comes explanation.
about.
新课标人教版选修六Book6 Unit4 Reading优质课件
新课标人教版选修六Book6 Unit4 Reading优质课件
(Paragraphs 4---5 ) List two different attitudes among scientists towards global warming.
选修六unit4 Reading
Choose the best answer.
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.
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.
to the earth. T
6. It is clear what the effects of global
warming will be. F
Homework
1. Read the passage again and review
the new words and expressions.
2. Write a passage about global warming.
1) How many paragraphs does the reading text consist of? Please number them. 2) Make a division of the text.
Fast-Reading
Main ideas of each part:
人教版高中英语选修六Unit-4--Reading
Illustrate how global warming comes about.
. 2-5
An introduction of the passage
返回
返回
Listen, read and think
Part 1:Para 1
1.Who wrote the magazine article? → Sophie Armstrong
D．global warming will go on
E．puzzles about global warming F．different attitudes to global warming
Para. 7 G. an introduction to the passage
返回
The structure of the passage
返回
What should we do to stop global warming?
返回
.
.
Try to reduce the use of motor vehicles
返回
bike
running
返回
Planting trees Cleaning the
rubbish
返回
Assignment
1. Write an argumentation titled “Environment Protection ”based on the viewpoints in the text and yours. 2. Preview the language points in the text and find out your difficult points.
could be _v_e_r_y_s_e_r_io_u_s_. _a_n_im__a_l_s____.
新课标人教版-选修六Book6 Unit4 Reading
5. What is the main topic of the article?
Global warming/ the warming of the earth.
2. True: 3, 5, 6, 7, 8 False: 1, 2, 4, 9, 10
Correct sentences: 1. The temperature last century increased
新课标人教版-选修六Book6 Unit4 ReadingPPT-精品课件（实用版）
This small amount makes a huge difference, causing glaciers to melt and, potentially (潜在的), sea level to rise. We could see even more of this in the future, (maybe another 3°C, or 5°F)
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
Scientists Opinions George ◆ Believes that we shouldn’t Hambley worry about 5_h_i_g_h_l_e_v_e_ls_ of
carbon dioxide in the air . ◆ Predicts that any warming will be mild with few bad environmental 6_c_o_n_s_e_q_u_e_n_c_es. ◆7_S_t_a_t_e_s_that more carbon dioxide is actually a 8_p_o_s_i_ti_v_e_ thing, which will make life for human beings better.
选修六 Unit4 Reading课件
Windmills
Wind energy is used as power to produce electricity .
The coal power stations Electricity is produced by burning coals.
A nuclear power plant
The Earth Is Becoming Warmer -But Does It Matter?
3mins
Divide the passage into 4 parts.
• • • •
Paragraph 1 Part 1 _______________ Paragraphs 2-4 Part 2 _______________ Paragraph 5 Part 3 _______________ Paragraph 6 Part 4 _______________
An energy source is “renewable” when supplies of it never run out and “nonrenewable” when one day they will run out.
Pre-reading
greenhouse
They are made of glass and plants can grow in it when it is cold outside.
The Hydro-electric dams
They are used to keep back water and raise its level for irrigation or for producing electricity etc.
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diseases 7. disappearance of
species
Positive effects
The sea level to rise.
Severe storms
droughts
famines
the spread of diseases
disappearance of species
6. We know the effects of global warming.
Paragraph 2&3
How has global warming come about(产生)?
1. Human activity …is due to the burning of fossil fuels…
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
Positive effects
accurate measurements 精确 的测量
data 资料，数据 catastrophe 大灾难 be opposed to 反对
environmental consequences 环境影响
a great range of 大量的 even if 即使 keep on 继续
Scanning
1. Who made accurate measurements of the amount of carbon dioxide?
Charles Keeling 2. How much has increased?
The carbon dioxide in the atmosphere went up from around 315 parts to around 370 parts per million.
environment.
谢谢！
They trap the heat from the
Methane['mi:θein]
sun and warm the
earth.Carbon dioxieWater vapour
Para 4. the levels of carbon dioxide have increased greatly over the last 100 to 150 years
Carbon dioxide
Homework
1.Read the text again, and try to retell it.
2.Find out the difficult sentences in
the passage .
• It is everyone’s duty to make a contribution to our
Main idea of the text
Part1
Paragraph 1
How global warming comes about? (全球变暖是怎样产生的)
Part2
Paragraphs 2&5
Two different opinions about global warming.
Part3
高中英语选修六unit4reading
lead in
Can you think of some natural disasters
(自然灾害) because of the extreme heat(酷 暑)?
drought(旱灾)
fire
Reading
The Earth is Becoming Warmer --But Does It Matter? 地球在变暖—— 要不要紧？
oil
gas
carbon dioxide
二氧化碳
● ● ● ● ● ● global warming
Have you ever seen a greenhouse?
What are Greenhouse gases?
There are gases called “greenhouse gases”, including…
4. The levels of carbon dioxide have increased greatly over the last 100— 150 years.
5. George Hambley believes that global warming will do good to the earth.
Para 5. How high will the temperature go?
The amount of warming could be as low as 1 to 1.5 degrees Celsius, but it could be as high as 5 degrees.
Paragraph 6
Paragraph 6
Part4
Should we do anything? The earth is becoming warmer.
Paragraph 7
True or false
1. During the 20th century, the temperature of the earth didn’t seem to increase much.
Graph 1 shows the temperature difference (温度差 异) from 1860 to 2000.
Graph 1:
Graph 2:
Graph 2 shows the carbon dioxide content(二 氧化碳含量) in the atmosphere from 1957 to 1997.
2. Greenhouse gases
The problem begins when huge quantities of extra carbon dioxide (大量的二氧化碳) are added into the atmosphere.
Fossil Fuel(矿物 燃料)
coal
produce
Who ：__S_o_ph_ie__Ar_m_s_tr_o_ng_
Three scientists:
_D_r J_an_ic_e_F_os_te_r;_____
Charles
George
_Ke_e_lin_g_; ____H_a_m_ble_y_;
What are the two graphs about?
Does global warming matter?
Negative effects (负面影响）
Positive effects （正面影响）
Negative effects
1. cause the sea level to rise
2. severe storms 3. floods 4. droughts 5. famines 6. the spread of
2. There is no doubt that global warming is caused by the human activities.
3. Not all scientists believe that the increase in the earth’s temperature is due to the burning of fossil fuels.
1. make plants grow quicker
2. crops will produce more
3. a greater range of animals
4. make life better
Summary
How
Effects
1. Human activities
2.Greenhouse gases
What do the scientists think about global warming? Do they agree with one another?
They have quite different attitudes towards this issue.
Dr.Foster:_I_t_w_o_u_ld__be__a_c_a_ta_s_tr_o_p_he_.__ George Hambley:_w_e__sh_o_u_ld_n_o_t_w_o_rr_y_a_b_out it.
Words and expressions
temperature 温度
degree Celsius 摄氏度
one degree Fahrenheit 华氏一度 quantities of 大量的
explore 探索 human activities 人类活动 phenomenon 现象 subscribe to 同意，赞成 fossil fuels 矿物燃料 byproduct 副产品 “greenhouse” gases 温室气体 atmosphere 大气 methane 甲烷， 沼气
species
Positive effects
The sea level to rise.
Severe storms
droughts
famines
the spread of diseases
disappearance of species
6. We know the effects of global warming.
Paragraph 2&3
How has global warming come about(产生)?
1. Human activity …is due to the burning of fossil fuels…
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
Positive effects
accurate measurements 精确 的测量
data 资料，数据 catastrophe 大灾难 be opposed to 反对
environmental consequences 环境影响
a great range of 大量的 even if 即使 keep on 继续
Scanning
1. Who made accurate measurements of the amount of carbon dioxide?
Charles Keeling 2. How much has increased?
The carbon dioxide in the atmosphere went up from around 315 parts to around 370 parts per million.
environment.
谢谢！
They trap the heat from the
Methane['mi:θein]
sun and warm the
earth.Carbon dioxieWater vapour
Para 4. the levels of carbon dioxide have increased greatly over the last 100 to 150 years
Carbon dioxide
Homework
1.Read the text again, and try to retell it.
2.Find out the difficult sentences in
the passage .
• It is everyone’s duty to make a contribution to our
Main idea of the text
Part1
Paragraph 1
How global warming comes about? (全球变暖是怎样产生的)
Part2
Paragraphs 2&5
Two different opinions about global warming.
Part3
高中英语选修六unit4reading
lead in
Can you think of some natural disasters
(自然灾害) because of the extreme heat(酷 暑)?
drought(旱灾)
fire
Reading
The Earth is Becoming Warmer --But Does It Matter? 地球在变暖—— 要不要紧？
oil
gas
carbon dioxide
二氧化碳
● ● ● ● ● ● global warming
Have you ever seen a greenhouse?
What are Greenhouse gases?
There are gases called “greenhouse gases”, including…
4. The levels of carbon dioxide have increased greatly over the last 100— 150 years.
5. George Hambley believes that global warming will do good to the earth.
Para 5. How high will the temperature go?
The amount of warming could be as low as 1 to 1.5 degrees Celsius, but it could be as high as 5 degrees.
Paragraph 6
Paragraph 6
Part4
Should we do anything? The earth is becoming warmer.
Paragraph 7
True or false
1. During the 20th century, the temperature of the earth didn’t seem to increase much.
Graph 1 shows the temperature difference (温度差 异) from 1860 to 2000.
Graph 1:
Graph 2:
Graph 2 shows the carbon dioxide content(二 氧化碳含量) in the atmosphere from 1957 to 1997.
2. Greenhouse gases
The problem begins when huge quantities of extra carbon dioxide (大量的二氧化碳) are added into the atmosphere.
Fossil Fuel(矿物 燃料)
coal
produce
Who ：__S_o_ph_ie__Ar_m_s_tr_o_ng_
Three scientists:
_D_r J_an_ic_e_F_os_te_r;_____
Charles
George
_Ke_e_lin_g_; ____H_a_m_ble_y_;
What are the two graphs about?
Does global warming matter?
Negative effects (负面影响）
Positive effects （正面影响）
Negative effects
1. cause the sea level to rise
2. severe storms 3. floods 4. droughts 5. famines 6. the spread of
2. There is no doubt that global warming is caused by the human activities.
3. Not all scientists believe that the increase in the earth’s temperature is due to the burning of fossil fuels.
1. make plants grow quicker
2. crops will produce more
3. a greater range of animals
4. make life better
Summary
How
Effects
1. Human activities
2.Greenhouse gases
What do the scientists think about global warming? Do they agree with one another?
They have quite different attitudes towards this issue.
Dr.Foster:_I_t_w_o_u_ld__be__a_c_a_ta_s_tr_o_p_he_.__ George Hambley:_w_e__sh_o_u_ld_n_o_t_w_o_rr_y_a_b_out it.
Words and expressions
temperature 温度
degree Celsius 摄氏度
one degree Fahrenheit 华氏一度 quantities of 大量的
explore 探索 human activities 人类活动 phenomenon 现象 subscribe to 同意，赞成 fossil fuels 矿物燃料 byproduct 副产品 “greenhouse” gases 温室气体 atmosphere 大气 methane 甲烷， 沼气