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高中英语外研版 (2019)选择性必修 第一册Unit 5 Revealing nature课堂教学课件ppt
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这是一份高中英语外研版 (2019)选择性必修 第一册Unit 5 Revealing nature课堂教学课件ppt，共42页。PPT课件主要包含了disgrace，sample，beak，geologist，finch，generate，decline，suspect，GCBADEF，storm 等内容，欢迎下载使用。
Unit 5 Revealing nature
A Jurney f Discvery
1. Use predicting, skimming fr detail and scanning fr specific infrmatin t cmprehend the reading materials.2. Use different methds t search related infrmatin and cmpare them.3. Cnclude the reading material.
Prcess (success) bjectives
Prduct (success) bjectives
1. Obtain the infrmatin by using reading skills.2. Think and analyze the reading material thrugh studying the style and writing skills.3. Develp the awareness f scientific explring.
What d yu knw abut the man and share yur knwledge with the class.
Charles Rbert Darwin(1809-1882) was an English gelgist and naturalist. In his famus bk On the Origin f Species, Darwin prpsed the thery that rganisms (individual life frms) evlve extremely slwly. He stated that the rganisms that were better suited t their envirnments wuld survive and pass n their favurable characteristics t the next generatin, while the less suitable rganisms wuld gradually die ut. He called this prcess “natural selectin”.
1. the lss f ther peple's respect and apprval because f the bad way sb. has behaved2. a small part f smething intended as representative f the whle 3. the hard pinted part f a bird's muth4. a scientist wh studies gelgy
Match the wrds in the bx with the definitins.
answer the call disgrace sample finch beak gelgist suspect generate decline
5. respnd the call 6. small bird with a shrt beak 7. t prduce r create sth. 8. a cntinuus decrease in the number, value, quality, etc. f sth. 9. t think r believe smething t be true r prbable
answer the call
Observe the picture and think abut the questins: 1. What is the name f the tree?2. What is evlutin? 3. Can yu tell us the directin f evlutin?
1. What species d yu recgnize in the picture?2. What factrs can cause the prcess f evlutin?
Paramecium, earthwrm, snail, crab, fish, trtise, bird, hrse, human, frg, algae, mss, fern…
Lk at the evlutinary tree and answer the questins.
The ever-changing envirnment f nature; envirnmental changes; ppulatin immigratin; genetic mutatin; cultural preference…
Predict the main idea f the text accrding t the picture and the title.
The passage is mainly abut hw Darwin’s Thery f Evlutin generated and develped n his jurney.
Read the passage quickly and talk abut yur understanding f the title.
Darwin's interest in varius living things made him a great naturalist.Darwin's jurney n the Beagle inspired his Thery f Evlutin.Darwin went n a jurney t cnfirm his thery that humans had evlved ver time.
Chse the main idea f the passage and give yur reasns.
Decide what type f essay it is?
It is a narrative essay.
A narrative essay is a stry with a beginning, middle, and end.A descriptive essay describes a subject and lists interesting details.An expsitry essay is factual, giving infrmatin n a subject. An argumentative essay aims t cnvince the reader.
There are fur majr types f essay: narrative, descriptive, expsitry, and argumentative.
What are the fur majr types f essay d yu knw?
A narrative essay tells a stry r gives an accunt f smething that has happened. The purpse is t retell a stry based n persnal experience r the writer’s imaginatin. All stries have the same essential ingredients: a series f events which are rganized in an rder and tld by a narratr.
Elements: what, where, wh, why, when, hw
narrative essay
Pint f view: first persn (mre graphic and lifelike)third persn (bjective)
Order: chrnlgical rdertime rder
Tense: past tense (stries happened in the past)
Can yu find ut what kind f narrative rder the authr used t?
Match the main idea with its crrespnding paragraph.
Read fr detailed infrmatin.
He was nt the captain’s first chice.
He was a disgrace t himself and all his family.
He was a yung man wh had left medical schl withut cmpleting his degree.
Writing purpse: Set the suspense t attract reader’s interests
Charles Darwin was a gelgist and naturalist, fascinated by rcks, plants and animals.
Hw did different species cme t exist?
All species had appeared n Earth at the same time, and had nt changed since
Animals evlved as they adapted t their changing envirnments
T lk fr mre evidence
Darwin nticed finches’ beaks had evlved accrding t what fd was available n that particular island.
New species f plants and animals evlved frm earlier ancestrs.
A thery f evlutin.
Darwin explained this thery in his bk, On the Origin f Species.
On the Origin f Species is regarded as ne f the mst imprtant wrks ever written. It has changed ideas abut life n Earth frever.
Many peple refused t believe. They were shcked. Later, mre and mre peple started t believe his thery.
asked himself a questin(generated an idea)
answered the questin(develped an idea)
published the bk (prpsed a thery)
started his jurney
Fill in the blanks in the chart.
life n Earth
Decide whether the fllwing statements are True (T), False (F) r Nt Given (NG).
1. Darwin was the first persn whm the captain f the Beagle wanted. ( )2. Darwin didn't get alng well with his father because he didn't cmplete his degree. ( )3. Darwin's rm n the ship was crwded nly with the plants he had cllected. ( )4. Darwin thught animals evlved as they adapted t their changing envirnments. ( )
5. There was a difference between the finches n each f the islands because their beaks had evlved accrding t what fd was available n that particular island. ( )6. Mst peple believed Darwin's thery as sn as his bk was published. ( )
Number the puzzle pieces in rder. Organise infrmatin frm the passage and cmplete them.
Darwin studied____________________________________________ _________________________________________________________.He nticed that sme species f animals were __________________ _______.
ON HIS JOURNEY
varius living things in their natural envirnments and samples f the plants and animals he had cllected
very similar t each
GENERATE IDEAS
Darwin asked the questins: Hw did different species _____________? ________________________________________________________ ________________________
cme t exist
Maybe animals evlved as they adapted t their changing envirnments?
LOOK FOR MORE EVIDENCE
DEVELOP IDEAS
On the Galapags Island:He nticed _______________________________________________ _____________________________. It seemed the beaks ________________________________________ ______________________________________.
that there was a difference between the finches n each f the islands
had evlved accrding t what fd was available n that particular island
Darwin suspected that the finches ______________________________________________________________________________________and it had _______________________________________.
had evlved frm a cmmn ancestr, which had arrived n the islands a lng time befre
slwly evlved int many new species
PROPOSE A THEROY
The thery f Evlutin: living things, including humans, _____________________________________________________.
had evlved frm lwer frms f life
Retell the text accrding t the develpment f the jurney. Yu can add mre infrmatin frm the passage if necessary.
Why were many peple “shcked” by Darwin's thery?What kind f persn was Darwin accrding t the passage?Hw d yu think the human species will evlve in the future?What have yu learnt abut the spirit f scientific expratin? Hw can this spirit help yu in yur life and studies?
Nw discuss why Darwin did nt publish this Thery f Evlutin until 1859, abut twenty years after his discvery. D further research if necessary.
Why were many peple “shcked” by Darwin's thery?What kind f persn was Darwin accrding t the passage?
At that time, peple believed that all species had appeared n Earth at the same time and had nt changed since, but Darwin’s thery prpsed that living thins, including humans, had evlved frm lwer frms f life, which, as a result, shcked many peple.
Darwin was a determined man. He had strng curisity and interest in science and was gd at thinking and making discveries.
Yur wn answers.
3. Hw d yu think the human species will evlve in the future?4. What have yu learnt abut the spirit f scientific expratin? Hw can this spirit help yu in yur life and studies?
What kind f persn was Darwin?
Darwin was a determined man. He had strng curisity and interest in science and was gd at thinking and making discveries. These gd qualities helped Darwin make such a lng jurney frm 1831 t 1859 t pursue his scientific explratin and finally published the great bk,On the Origin f Species.
Belw is a summary f the text with sme cntent missing. Chse the right item frm the bx and make the summary cmplete. Change the frm when necessary.
1831, finch, distant, Galápags, predict, exist
Charles Darwin, a yung man wh had left medical schl withut cmpleting his degree, was chsen t participate in a jurney visiting 1. ________ cuntries yet little knwn n the Beagle. Thugh this yung man was nt the captain's first chice and his father 2. _________ he wuld be “a disgrace”, he made ne f the mst imprtant scientific discveries f all time.
The jurney which began in 3. ________ gave him a chance t study varius living things in their natural envirnments. This yung man raised a questin: hw did different species cme t 4. ________? When the Beagle reached the 5. __________ Islands in 1835, Darwin fund the answer t the questin f hw new species f plants and animals came t exist by bserving 6. ________: they evlved frm earlier ancestrs. Darwin's bk, On the Origin f Species, was published in 1859 and has changed ideas abut life n Earth frever.
Galápags
1. Read the passage again and retell the passage.2. Write a summary f the passage.
Unit 5 Revealing nature
A Jurney f Discvery
1. Use predicting, skimming fr detail and scanning fr specific infrmatin t cmprehend the reading materials.2. Use different methds t search related infrmatin and cmpare them.3. Cnclude the reading material.
Prcess (success) bjectives
Prduct (success) bjectives
1. Obtain the infrmatin by using reading skills.2. Think and analyze the reading material thrugh studying the style and writing skills.3. Develp the awareness f scientific explring.
What d yu knw abut the man and share yur knwledge with the class.
Charles Rbert Darwin(1809-1882) was an English gelgist and naturalist. In his famus bk On the Origin f Species, Darwin prpsed the thery that rganisms (individual life frms) evlve extremely slwly. He stated that the rganisms that were better suited t their envirnments wuld survive and pass n their favurable characteristics t the next generatin, while the less suitable rganisms wuld gradually die ut. He called this prcess “natural selectin”.
1. the lss f ther peple's respect and apprval because f the bad way sb. has behaved2. a small part f smething intended as representative f the whle 3. the hard pinted part f a bird's muth4. a scientist wh studies gelgy
Match the wrds in the bx with the definitins.
answer the call disgrace sample finch beak gelgist suspect generate decline
5. respnd the call 6. small bird with a shrt beak 7. t prduce r create sth. 8. a cntinuus decrease in the number, value, quality, etc. f sth. 9. t think r believe smething t be true r prbable
answer the call
Observe the picture and think abut the questins: 1. What is the name f the tree?2. What is evlutin? 3. Can yu tell us the directin f evlutin?
1. What species d yu recgnize in the picture?2. What factrs can cause the prcess f evlutin?
Paramecium, earthwrm, snail, crab, fish, trtise, bird, hrse, human, frg, algae, mss, fern…
Lk at the evlutinary tree and answer the questins.
The ever-changing envirnment f nature; envirnmental changes; ppulatin immigratin; genetic mutatin; cultural preference…
Predict the main idea f the text accrding t the picture and the title.
The passage is mainly abut hw Darwin’s Thery f Evlutin generated and develped n his jurney.
Read the passage quickly and talk abut yur understanding f the title.
Darwin's interest in varius living things made him a great naturalist.Darwin's jurney n the Beagle inspired his Thery f Evlutin.Darwin went n a jurney t cnfirm his thery that humans had evlved ver time.
Chse the main idea f the passage and give yur reasns.
Decide what type f essay it is?
It is a narrative essay.
A narrative essay is a stry with a beginning, middle, and end.A descriptive essay describes a subject and lists interesting details.An expsitry essay is factual, giving infrmatin n a subject. An argumentative essay aims t cnvince the reader.
There are fur majr types f essay: narrative, descriptive, expsitry, and argumentative.
What are the fur majr types f essay d yu knw?
A narrative essay tells a stry r gives an accunt f smething that has happened. The purpse is t retell a stry based n persnal experience r the writer’s imaginatin. All stries have the same essential ingredients: a series f events which are rganized in an rder and tld by a narratr.
Elements: what, where, wh, why, when, hw
narrative essay
Pint f view: first persn (mre graphic and lifelike)third persn (bjective)
Order: chrnlgical rdertime rder
Tense: past tense (stries happened in the past)
Can yu find ut what kind f narrative rder the authr used t?
Match the main idea with its crrespnding paragraph.
Read fr detailed infrmatin.
He was nt the captain’s first chice.
He was a disgrace t himself and all his family.
He was a yung man wh had left medical schl withut cmpleting his degree.
Writing purpse: Set the suspense t attract reader’s interests
Charles Darwin was a gelgist and naturalist, fascinated by rcks, plants and animals.
Hw did different species cme t exist?
All species had appeared n Earth at the same time, and had nt changed since
Animals evlved as they adapted t their changing envirnments
T lk fr mre evidence
Darwin nticed finches’ beaks had evlved accrding t what fd was available n that particular island.
New species f plants and animals evlved frm earlier ancestrs.
A thery f evlutin.
Darwin explained this thery in his bk, On the Origin f Species.
On the Origin f Species is regarded as ne f the mst imprtant wrks ever written. It has changed ideas abut life n Earth frever.
Many peple refused t believe. They were shcked. Later, mre and mre peple started t believe his thery.
asked himself a questin(generated an idea)
answered the questin(develped an idea)
published the bk (prpsed a thery)
started his jurney
Fill in the blanks in the chart.
life n Earth
Decide whether the fllwing statements are True (T), False (F) r Nt Given (NG).
1. Darwin was the first persn whm the captain f the Beagle wanted. ( )2. Darwin didn't get alng well with his father because he didn't cmplete his degree. ( )3. Darwin's rm n the ship was crwded nly with the plants he had cllected. ( )4. Darwin thught animals evlved as they adapted t their changing envirnments. ( )
5. There was a difference between the finches n each f the islands because their beaks had evlved accrding t what fd was available n that particular island. ( )6. Mst peple believed Darwin's thery as sn as his bk was published. ( )
Number the puzzle pieces in rder. Organise infrmatin frm the passage and cmplete them.
Darwin studied____________________________________________ _________________________________________________________.He nticed that sme species f animals were __________________ _______.
ON HIS JOURNEY
varius living things in their natural envirnments and samples f the plants and animals he had cllected
very similar t each
GENERATE IDEAS
Darwin asked the questins: Hw did different species _____________? ________________________________________________________ ________________________
cme t exist
Maybe animals evlved as they adapted t their changing envirnments?
LOOK FOR MORE EVIDENCE
DEVELOP IDEAS
On the Galapags Island:He nticed _______________________________________________ _____________________________. It seemed the beaks ________________________________________ ______________________________________.
that there was a difference between the finches n each f the islands
had evlved accrding t what fd was available n that particular island
Darwin suspected that the finches ______________________________________________________________________________________and it had _______________________________________.
had evlved frm a cmmn ancestr, which had arrived n the islands a lng time befre
slwly evlved int many new species
PROPOSE A THEROY
The thery f Evlutin: living things, including humans, _____________________________________________________.
had evlved frm lwer frms f life
Retell the text accrding t the develpment f the jurney. Yu can add mre infrmatin frm the passage if necessary.
Why were many peple “shcked” by Darwin's thery?What kind f persn was Darwin accrding t the passage?Hw d yu think the human species will evlve in the future?What have yu learnt abut the spirit f scientific expratin? Hw can this spirit help yu in yur life and studies?
Nw discuss why Darwin did nt publish this Thery f Evlutin until 1859, abut twenty years after his discvery. D further research if necessary.
Why were many peple “shcked” by Darwin's thery?What kind f persn was Darwin accrding t the passage?
At that time, peple believed that all species had appeared n Earth at the same time and had nt changed since, but Darwin’s thery prpsed that living thins, including humans, had evlved frm lwer frms f life, which, as a result, shcked many peple.
Darwin was a determined man. He had strng curisity and interest in science and was gd at thinking and making discveries.
Yur wn answers.
3. Hw d yu think the human species will evlve in the future?4. What have yu learnt abut the spirit f scientific expratin? Hw can this spirit help yu in yur life and studies?
What kind f persn was Darwin?
Darwin was a determined man. He had strng curisity and interest in science and was gd at thinking and making discveries. These gd qualities helped Darwin make such a lng jurney frm 1831 t 1859 t pursue his scientific explratin and finally published the great bk,On the Origin f Species.
Belw is a summary f the text with sme cntent missing. Chse the right item frm the bx and make the summary cmplete. Change the frm when necessary.
1831, finch, distant, Galápags, predict, exist
Charles Darwin, a yung man wh had left medical schl withut cmpleting his degree, was chsen t participate in a jurney visiting 1. ________ cuntries yet little knwn n the Beagle. Thugh this yung man was nt the captain's first chice and his father 2. _________ he wuld be “a disgrace”, he made ne f the mst imprtant scientific discveries f all time.
The jurney which began in 3. ________ gave him a chance t study varius living things in their natural envirnments. This yung man raised a questin: hw did different species cme t 4. ________? When the Beagle reached the 5. __________ Islands in 1835, Darwin fund the answer t the questin f hw new species f plants and animals came t exist by bserving 6. ________: they evlved frm earlier ancestrs. Darwin's bk, On the Origin f Species, was published in 1859 and has changed ideas abut life n Earth frever.
Galápags
1. Read the passage again and retell the passage.2. Write a summary f the passage.
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