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人教版 (新课标)必修5&选修6Unit 4 Global warming精品课件ppt
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这是一份人教版 (新课标)必修5&选修6Unit 4 Global warming精品课件ppt，共38页。PPT课件主要包含了Prediction，attitude，reason，burning ，good ，bad，burning，good thing，quote，graph等内容，欢迎下载使用。
Lessn 4 The Earth Is Becming Warmer-But Des It Matter? Reading
The earth is becming warmer.
What d yu expect t read in the passage accrding t the title?
The earth is becming warmer-but des it matter?
What’s the feature f the reading passage?
1. Tw graphs;2. The title is a questin;3. The paragraph n the tp is in bld;4. The main text is in tw clumns.
Science magazine
Read the passage and get the main idea.
The passage is mainly abut hw glbal warming has cme abut and whether it matters.
During the 20th century the temperature f the earth rse abut ne degree Fahrenheit. That prbably des nt seem much t yu r me but it is a rapid increase when cmpared t ther natural changes. S hw has this cme abut and des it matter? Earth Care’s Sphie Armstrng explres these questins.
The writer will explre the reasn f glbal warming and the attitudes twards it.
Read the passage t summarize the reasn f glbal warming and different attitudes twards it in details n a mind map.
The earth is becming warmer
nt a randm phenmenn
different attitudes
greenhuse gases(carbn dixide, methane, water vapur)
small amunt
huge quantities
Dr. Janice Fster
Gerge Hambley
(catastrphe)
(gd thing)
▲ rise f sea level▲ severe strms▲ severe flds▲ severe drught▲ the spread f diseases▲ the disappearance f species
▲ plants grwing quicker▲ crps prducing mre▲ a greater range f animals
greenhuse effect
the rise f sea level...
make plants grw quicker...
Read paragraph 2-5 and answer the questin.
What are the ways the writer used t make his explratin mre cnvincing?
What ways the writer used t make his explratin mre cnvincing?
All scientists subscribe t the view that...
Dr. Janice Fster explains: “ prblem begins when we add huge quantities f extra carbn dixide int ...”
Charles Keeling fund that ...
scientists' pinin
scientist's discvery
Graph 1 shws that the temperature increased ne degree Fahrenheit between 1860 t 2000.
What des graph 1 shw?
Graph 2 shws that the levels f CO2 have increased greatly frm 1957 t 2000.
What des graph 2 shw?
Read the last paragraph and answer the questins.
What's the writer's attitude t the effect f glbal warming? Hw d yu knw?
N ne knws the effects f glbal warming. Des that mean we shuld d nthing? Or, are the risks t great?
He hlds an bjective pinin and thinks that a lt remains t be fund abut glbal warming.
The earth is getting warmer
The Wrld Listen T Me
The English annual debate cmpetitin “The Wrld Listen T me” is ging t be held in ur schl. Wrk in grups t prepare an English debate n whether we shuld d smething abut glbal warming.
we shuld d smething abut glbal warming
we shuld d nthing abut glbal warming
Let's debate
As far as I am cncerned, we shuld d smething abut glbal warming, which is based n the fllwing reasns. Graph 1 in the text shws that during 20th century, the temperature f the earth rse abut ne degree Fahrenheit, which may bring abut the rise f sea level and sme severe weather.
The psitive side
Besides, the reasn why glbal warming has cme abut is that human burnt s many fssil fuels. If nthing is dne, the carbn dixide in atmsphere will keep ging up and the temperature will be definitely much higher than it is at present, which will finally have bad effects n us.
Last but nt least, althugh there are gd effects f glbal warming n a greater range f animals, there are still a lt f risks fr the animals like plar bears.
In a wrd, I am strngly fr the idea that we shuld d smething t reduce the bad effects f glbal warming.
The negative side
Talking abut the effect f glbal warming, I subscribe t the view that there's n need t d anything. T begin with, greenhuse gases cntinue t build up in the atmsphere. Even if we start reducing the amunt f carbn dixide and ther greenhuse gases, the climate is ging t keep n warming.
Secndly,carbn dixide, the mst imprtant ne f greenhuse gases, will make the crps grw quicker and prduce mre. It certainly can feed mre peple.
What's mre, instead f making animals in danger, it will encurage a greater range f animals.
All the aspects abve will make life fr human beings better. S I truly think we shuld d nthing abut glbal warming.
Lessn 4 The Earth Is Becming Warmer-But Des It Matter?
Recently yur classmates all share their phts f lw carbn lifestyle n Wechat. Accrding t what we have learnt, write a speech titled “It is really necessary t reduce yur carbn ftprints?”
1. Shw yur pinin; 2. Analyze the pssible reasns;3. Make practical suggestins abut the pssible ways t cut dwn carbn ftprints. pinin; 2. Analyze the pssible reasns; 3. Making pssible ways t cut dwn ftprints.
Self-assessment
Writing Sample
Recently it is very fashinable fr my classmates t share their phts f lw carbn lifestyle n Wechat. As far as I am cncerned, it is a sign that mre and mre peple cme t realize the imprtance f prtecting ur earth.
As fr me, I subscribe t the view that it is necessary t reduce ur carbn ftprints. Accrding t the explratin f Sphie Armstrng we have learnt just nw, there is n dubt that the earth is becming warmer and warmer and it was human that prduced a large quantities f carbn dixide, s that mre heat were trapped frm the sun. If the temperature keeps n warming, the risks may be t great.
Therefre I think if each ne f us culd take ur wn respnsibility t reduce ur carbn dixide ftprints, at least it will be able t slw dwn the pace f glbal warming. The plar bear and lvely penguins yu saw at the beginging f ur lessn will be saved t.
Talking abut the practical ways f cutting dwn ur carbn ftprints, I recmmend the fllwing ways. Firstly, it might be a gd idea t be mindful f yur electrnics. Remember t clse it whenever yu dn’t need them. Secndly, it’s necessary fr yu t find greener means f transprtatin. Fr example, yu can try t g t schl by bike r by bus every day. Last but nt least, it’s imprtant fr yu t remember t type n bth sides f the paper, which I think will save a lt f trees.
Remember, what yu d nw matters. let’s act nw!
Enjy the reading passage again tgether thrugh the audi.
Lessn 4 The Earth Is Becming Warmer-But Des It Matter? Reading
The earth is becming warmer.
What d yu expect t read in the passage accrding t the title?
The earth is becming warmer-but des it matter?
What’s the feature f the reading passage?
1. Tw graphs;2. The title is a questin;3. The paragraph n the tp is in bld;4. The main text is in tw clumns.
Science magazine
Read the passage and get the main idea.
The passage is mainly abut hw glbal warming has cme abut and whether it matters.
During the 20th century the temperature f the earth rse abut ne degree Fahrenheit. That prbably des nt seem much t yu r me but it is a rapid increase when cmpared t ther natural changes. S hw has this cme abut and des it matter? Earth Care’s Sphie Armstrng explres these questins.
The writer will explre the reasn f glbal warming and the attitudes twards it.
Read the passage t summarize the reasn f glbal warming and different attitudes twards it in details n a mind map.
The earth is becming warmer
nt a randm phenmenn
different attitudes
greenhuse gases(carbn dixide, methane, water vapur)
small amunt
huge quantities
Dr. Janice Fster
Gerge Hambley
(catastrphe)
(gd thing)
▲ rise f sea level▲ severe strms▲ severe flds▲ severe drught▲ the spread f diseases▲ the disappearance f species
▲ plants grwing quicker▲ crps prducing mre▲ a greater range f animals
greenhuse effect
the rise f sea level...
make plants grw quicker...
Read paragraph 2-5 and answer the questin.
What are the ways the writer used t make his explratin mre cnvincing?
What ways the writer used t make his explratin mre cnvincing?
All scientists subscribe t the view that...
Dr. Janice Fster explains: “ prblem begins when we add huge quantities f extra carbn dixide int ...”
Charles Keeling fund that ...
scientists' pinin
scientist's discvery
Graph 1 shws that the temperature increased ne degree Fahrenheit between 1860 t 2000.
What des graph 1 shw?
Graph 2 shws that the levels f CO2 have increased greatly frm 1957 t 2000.
What des graph 2 shw?
Read the last paragraph and answer the questins.
What's the writer's attitude t the effect f glbal warming? Hw d yu knw?
N ne knws the effects f glbal warming. Des that mean we shuld d nthing? Or, are the risks t great?
He hlds an bjective pinin and thinks that a lt remains t be fund abut glbal warming.
The earth is getting warmer
The Wrld Listen T Me
The English annual debate cmpetitin “The Wrld Listen T me” is ging t be held in ur schl. Wrk in grups t prepare an English debate n whether we shuld d smething abut glbal warming.
we shuld d smething abut glbal warming
we shuld d nthing abut glbal warming
Let's debate
As far as I am cncerned, we shuld d smething abut glbal warming, which is based n the fllwing reasns. Graph 1 in the text shws that during 20th century, the temperature f the earth rse abut ne degree Fahrenheit, which may bring abut the rise f sea level and sme severe weather.
The psitive side
Besides, the reasn why glbal warming has cme abut is that human burnt s many fssil fuels. If nthing is dne, the carbn dixide in atmsphere will keep ging up and the temperature will be definitely much higher than it is at present, which will finally have bad effects n us.
Last but nt least, althugh there are gd effects f glbal warming n a greater range f animals, there are still a lt f risks fr the animals like plar bears.
In a wrd, I am strngly fr the idea that we shuld d smething t reduce the bad effects f glbal warming.
The negative side
Talking abut the effect f glbal warming, I subscribe t the view that there's n need t d anything. T begin with, greenhuse gases cntinue t build up in the atmsphere. Even if we start reducing the amunt f carbn dixide and ther greenhuse gases, the climate is ging t keep n warming.
Secndly,carbn dixide, the mst imprtant ne f greenhuse gases, will make the crps grw quicker and prduce mre. It certainly can feed mre peple.
What's mre, instead f making animals in danger, it will encurage a greater range f animals.
All the aspects abve will make life fr human beings better. S I truly think we shuld d nthing abut glbal warming.
Lessn 4 The Earth Is Becming Warmer-But Des It Matter?
Recently yur classmates all share their phts f lw carbn lifestyle n Wechat. Accrding t what we have learnt, write a speech titled “It is really necessary t reduce yur carbn ftprints?”
1. Shw yur pinin; 2. Analyze the pssible reasns;3. Make practical suggestins abut the pssible ways t cut dwn carbn ftprints. pinin; 2. Analyze the pssible reasns; 3. Making pssible ways t cut dwn ftprints.
Self-assessment
Writing Sample
Recently it is very fashinable fr my classmates t share their phts f lw carbn lifestyle n Wechat. As far as I am cncerned, it is a sign that mre and mre peple cme t realize the imprtance f prtecting ur earth.
As fr me, I subscribe t the view that it is necessary t reduce ur carbn ftprints. Accrding t the explratin f Sphie Armstrng we have learnt just nw, there is n dubt that the earth is becming warmer and warmer and it was human that prduced a large quantities f carbn dixide, s that mre heat were trapped frm the sun. If the temperature keeps n warming, the risks may be t great.
Therefre I think if each ne f us culd take ur wn respnsibility t reduce ur carbn dixide ftprints, at least it will be able t slw dwn the pace f glbal warming. The plar bear and lvely penguins yu saw at the beginging f ur lessn will be saved t.
Talking abut the practical ways f cutting dwn ur carbn ftprints, I recmmend the fllwing ways. Firstly, it might be a gd idea t be mindful f yur electrnics. Remember t clse it whenever yu dn’t need them. Secndly, it’s necessary fr yu t find greener means f transprtatin. Fr example, yu can try t g t schl by bike r by bus every day. Last but nt least, it’s imprtant fr yu t remember t type n bth sides f the paper, which I think will save a lt f trees.
Remember, what yu d nw matters. let’s act nw!
Enjy the reading passage again tgether thrugh the audi.
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