高中英语选修六课件 4.5《Unit 4 Reading》
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人教版英语选修六Unit 4 Global Warming(Reading)课件(共21张PPT)
Greenhouse effect
Careful reading
Task Two
Read para.6-7 carefully and answer the following questions.
1. What is Dr. Foster’s opinion about global warming? 2.What is Hambley’s opinion about global warming?
Careful reading
Task One
Read para.2-5 carefully and answer the following questions.
1.What are the two graphs about? 2.What is the cause of global warming? 3. What in the atmosphere traps the heat from the sun and warms the earth?
Much brighter than tomorrow And if you really try
You’ll find there’s no need to cry In this place you’ll feel
There’s no hurt or sorrow
Careful reading
1.What are the two graphs about?
Graph 1 shows the temperature increase of one degree Fahrenheit between 1860 to 2000.
Careful reading
1.What are the two graphs about?
人教版高中英语选修六book6unit4reading(共40张PPT)
人教版高中英语选修六book6unit4rea ding（ 共40 张PPT）
Thinking:
Which source is cleaner or
healthier?
√√
√√
Coal oil wind sun nuclear water underground
√√
heat
√√
Which source is “renewable”?
人教版高中英语选修六book6unit4rea ding（ 共40 张PPT）
hydro-electric dams
Water are kept back and raised its level for irrigation or for producing electricity.
人教版高中英语选修六book6unit4rea ding（ 共40 张PPT）
solar panels
pieces of equipment on a roof that collects energy from sunlight in order to heat water and produce electricity
人教版高中英语选修六book6unit4rea ding（ 共40 张PPT）
coal power stations Electricity is produced by burning coals.
人教版高中英语选修六book6unit4rea ding（ 共40 张PPT）
Oil is refined and made pure.
oil refineries
人教版高中英语选修六book6unit4rea ding（ 共40 张PPT）
人教版高中英语选修六Unit4Reading
atmasphere,1957-1997.
T
(3) MAollst scientists accept the data made
by Charles Keeling.
F
(4) The amount of warming could be as high as
1 5degdreeger. ees
F
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Listen, read and think Part 2 :Para2-5 4. Read and fill in the blanks. Greenhouse effect happens when gases trap h_e_a_t from the _su_n__ and therefore w__ar_m_ the earth.
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Listen, read and think
Part 2: Para 2-5
5. Do “T” or “F” exercise:
(1)The levels of CO2 have increased greatly over the
past 10105-0150 years.
F
(2) Graph 2 shows CO2 content in the
is a _p_o_s_i_ti_v_e_ thing,
temperature to
which makes crops
__g_o_u__p_. An increase _p_r_o_d_u_c_e_ and will en-
of five degrees would courage
be a c_a_t_a_s_tr_o_p_h__e and _a_g_r_e_a_t_e_r_r_a_n_g_e_o_f____
人教版高中英语选修六Unit-4--Reading
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The structure of the passage
Part 1(para.1)
List two different attitudes among scientists towards global warming.
Part 2(para.2-5)
.1
Puzzles about global warming. Illustrate how global warming comes about.
natural gas and oil to produce energy whose
are called (call) “greenhouse” gas, the byproducts ___________
most important one being carbon dioxide. These
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What should we do to stop global warming?
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.
.
Try to reduce the use of motor vehicles
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bike
running
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Planting trees
Байду номын сангаас
Cleaning the rubbish
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Assignment
George Hambley More carbon dioxide positive thing, is a ________ which makes crops produce and will en________ courage a greater range of ___________________ animals ___________.
人教版高中英语选修六Unit 4 Global Warming reading优质PPT课件
Task 1:Skimming
giving examples,
using graphs,
(1) What is the wgriviitnignagdseftiynilteiono,f
using figures,
the passage?
discussion
A. Exposition（说明文） B. Argumentation（议论文） C. Narration(记叙文）
Who are the two scientists? And what are their opinions about global warming?
Task 2: Scanning
There is no doubt that the earth is becoming warmer and that it is
(2) What does the passage mainly talk about? A. The cause of global warming B. Two different attitudes towards global
warming C. It doesn’t matter that the earth is
Global Warming
Words study
Learning aims
• 1.Practise some reading skills: skimming, scanning, and intensive reading.
• 2.Learn some new words and phrases. • 3.Raise the awareness of protecting environment.
高中英语选修6：unit4+global+warming(reading)课件
…
Return the green world to us
Assignment
Write a short passage about the effects of global warming. Prepare the language points of this passage and underline the important ones. After remembering the vocabulary, do the exercises on Page 28.
nothing about global warming.
Debate
Discussion:
What should we do to protect our earth?
1. Reduce the burning of fossil fuels 2. Plant trees 3. Use bags that can be recycled
Watch a vedio about global warming
Question:
1.What can you see from the video? pared to the past few years,
what’s the weather like this year ?
television
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.
Return the green world to us
Assignment
Write a short passage about the effects of global warming. Prepare the language points of this passage and underline the important ones. After remembering the vocabulary, do the exercises on Page 28.
nothing about global warming.
Debate
Discussion:
What should we do to protect our earth?
1. Reduce the burning of fossil fuels 2. Plant trees 3. Use bags that can be recycled
Watch a vedio about global warming
Question:
1.What can you see from the video? pared to the past few years,
what’s the weather like this year ?
television
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.
人教版高中英语选修六unit4globalwarming-reading课件
Let us save energy and protect
environment together.
Write a short passage about the suggestions (at least 3).
Part (Para_ to Para_ )
Part 1
(Para __1___ )
carry it out?
Yes
Reason
Save energy
Don’t turn up the heat, put on Yes
more clothes instead.
Save energy
Walk or ride a bike, don’t drive. Yes
Save energy
Recycle cans, bottles, plastics
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:
than car
Writing:
Struegesg. ections on global warming
We should ... in order to ...mo It is a good idea to ... because it can ... e.g. We should plant more trees in order to absorb the carbon dioxide . It is a good idea to plant more trees because it can absorb the carbon dioxide .
人教高中英语选修六 Unit 4 Global warming Reading 阅读课1 课件(共
droughts, famines, the spread of diseases and the disappearance of species. On the other hand, there are those, like George Hambley, who are opposed to this view and believe that we should not worry about high levels of carbon dioxide in the air. They predict that any warming will be mild with few bad
Without the ‘greenhouse effect’, the earth would be about thirty-three degrees Celsius cooler than it is. So, we need
those gases. The problem begins when we add huge
2. What are the names of the three scientists mentioned in the text?
3. What are the two graphs about?
4. What is the main topic of the article?
Glance and Answer!
quantities Toof eaxtttrraacctatrhbeonredaiodxeidrse’ianttotetnhteioantmosphere. It mTeoanmsatkheatrmeaodreerhseiantteerneesrgteydteinndthsetowbheotlreapaprteicdlein. the
Without the ‘greenhouse effect’, the earth would be about thirty-three degrees Celsius cooler than it is. So, we need
those gases. The problem begins when we add huge
2. What are the names of the three scientists mentioned in the text?
3. What are the two graphs about?
4. What is the main topic of the article?
Glance and Answer!
quantities Toof eaxtttrraacctatrhbeonredaiodxeidrse’ianttotetnhteioantmosphere. It mTeoanmsatkheatrmeaodreerhseiantteerneesrgteydteinndthsetowbheotlreapaprteicdlein. the
人教版高中英语选修六课件：Unit 4 Global Warming Reading (共18张PPT)
The Earth Is Becoming Warmer – But Does It Matter?
Fast-reading
What is special about the structure of the passage? How it is organized? It has a title, a first paragraph that is in bold, the main text in two columns, and two graphs.
3.Why are there two quotes?
To support the statement.
The two different viewpoints towards the effects of global warming between Dr. Janice Foster and George Hambley
Unit 4 Global Warming
What are these buildings made of and what is their purpose? Greenhouse
They are made of glass so that plants can grow well in it when it is cold outside.
2. Can you find out the phrases to show different opinions? What are they?
On the one hand…on the other hand… Some are in favor of the view that the increasing temperature will cause catastrophe, while others are opposed to this view.