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人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists完美版课件ppt
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这是一份人教版 (2019)选择性必修 第二册Unit 1 Science and Scientists完美版课件ppt，共29页。PPT课件主要包含了Who is he等内容，欢迎下载使用。
Understand the questining mind
By the end f this perid, yu will be able t…1. find ut the stages f scientific research in this passage;2. learn abut Jhn Snw’s research prcess and analyze Jhn Snw’s characters； 3. express yur idea n the given tpic thrugh creative thinking;4. analyze the structure f Prblem-Slutin pattern.
Name sme famus scientists yu knw and tell smething abut them.
Which scientist discvered that bjects in water are lifted up by a frce that helps them flat?Archimedes (阿基米德)
Wh wrte a bk explaining hw animals and plants develped as the envirnment changed?Charles Darwin.
Wh invented the way f giving electricity t everybdy in large cities?Thmas Edisn
Wh put frward a thery abut black hles?Stephen Hawking
·Jhn Snw·Jhn Snw（1813-1858） was an English physician wh was brn in Yrk, trained in Newcastle, and then set up a practice in Lndn.·He first came t the attentin f Queen Victria because he was an early prpnent(拥护者) f the use f anaesthesia (/ˌænəsˈθiːziə/麻醉)and make grund-breaking cntributins t that field.
D yu knw him?
Discuss the fllwing stages f scientific research in grups. What rder wuld yu put them in? analyse the results ask a questin draw a cnclusin ___________cllect data find a prblem find supprting evidence think f a methd
Can yu put them in right rder?
While Reading
tw cntradictry theries
In tw particular streets，the chlera utbreak was s severe that Jhn Snw was determined t find ut why.
marking n a map
·huse numbers 16，37，38，and 40 ·20 and 21 Brad Street，8 and 9 Cambridge Street
·multiple deaths near the water pump ·sme husehlds had had n deaths
·a wman and her daughter had died f chlera · the wman liked the water frm the pump s much that she had it delivered t her huse every day
As a result f this evidence，Jhn Snw was able t annunce that the pump water carried chlera germs.
Read the whle text quickly and match the main ideas.
Jhn Snw desired t destry chlera.
Jhn Snw decided t prve the secnd thery.
Snw began his study by marking n the map.
Truth f the infectin f chlera
Snw's cntributins
While Reading - Fast reading
It's ne f ________________________ in the wrld, because it causes _______________________________.
___________________(when), an utbreak f chlera hit _______ milins f peple __________________.
He rse t becme _____________ , and even __________ Queen Victria when she gave birth.
Jhn Snw became ________ because n ne knew ________________________.
Hwever, he had a desire t _____________ nce and fr all.
the mst feared diseases
severe diarrhea and dehydratin
In the early 19th century
died frm the disease
hw t prevent r treat chlera
a famus dctr
attended t
destry chlera
While Reading—careful reading Read Para 1 carefully and fill in the mind map
Thugh being famus, he was still _______t defeating “King Chlera”
Thery ne: air
Thery tw: germs
Mre prf is needed.
Thery is based n practice.
Symptms（症状）
cughsneezerunny nselung
diarrheadehydratin
While Reading—careful reading Tw Theries
A map f Brad Street-”Chlera Map”
What methd did Snw use?
1) Which huses had mre than 4 deaths in Brad Street?2) Which huses had n death in Brad Street?
Multiple deaths happened here.
N death happened here.
He suspected that the water frm the pump was t blame.
Read Para 2-3, and cmplete the chart belw.
While Reading—careful reading
A It was believed that chlera was caused by bad ____ r germs in ________________ .
B Snw _____________ the places where the peple wh _______ had lived.
D The pump water carried__________.
The ________ f the pump was remved.
fd r water
marked n a map
drinking water frm the pump
chlera germs
What caused the utbreak f chlera in Lndn in 1854?2. What cntributins did Jhn Snw make?
Read Para 4-5 and answer the questins belw
· Water cmpanies began t sell clean water.· The threat f chlera arund the wrld decreased.· He helped peple knw hw t prevnt chlera.· Snw transfrmed the way scientists study diseases.
The Father f Mdern Epidemilgy
1 What was the mst imprtant tl Snw used t defeat chlera? What cmmn medical tls，e.g.，a micrscpe，didn’t he use? Why? He used maps and statistics t analyse where the deaths ccurred. He didn’t use a micrscpe，fr example. He didn’t test the water，nr did he draw bld r examine patients. The reasn he did nt use medical equipment such as a micrscpe was that they did nt exist during his time. Further，understanding f germs and bacteria was still develping，and s he had t innvate methds himself based n the thery he believed.
In grups，discuss the fllwing questins.
2 Hw has Jhn Snw’s wrk affected ur daily lives? Snw’s wrk has prvided readily available clean water t drink，fr example，as well as an emphasis n hygiene such as the need t wash hands after they becme dirty. He als shwed hw t prevent chlera epidemics，and transfrmed the way scientists study diseases，which has allwed fr mre prtectin frm nce cmmn diseases such as chlera.
Ⅰ 阅读理解 （根据课文内容选择正确答案）1. Which f the fllwing theries did Jhn Snw believe?A. Peple spread the disease when speaking t each ther. B. Peple became infected by plluted fd r water. C. Chlera multiplied in the air withut reasn. D. Peple were dirty enugh t get the disease. 2. What was the key help fr Jhn Snw’s discvery?A. The gvernment. B. The water cmpany. C. Queen Victria. D. The map made by himself.
3. Which f the fllwing statements is right abut Jhn Snw?A. He believed tw theries abut the cause f chlera were bth right. B. He fund ut the germ f chlera and killed it by a certain drug. C. He had predicted that sme huses had n deaths at all. D. Frm his investigatin，he fund the plluted water carrying the virus. 4. At last，“King Chlera” was cntrlled by __________. A. using medicines in hspitalsB. driving patients ut f the cuntryC. dealing with the plluted waterD. getting rid f all kinds f pllutin
Ⅱ 语法填空（根据课文内容和语法规则完成短文） Jhn Snw was a famus dctr in Lndn in the 19th century. He was s expert that he attended t Queen Victria 1______ she gave birth. Hwever，he was frustrated because n ne knew hw t prevent r treat chlera，ne f the mst feared 2__________（disease） in the wrld. At that time，there were tw 3_____________（cntradict）theries t explain hw chlera spread. One was that bad air caused the disease. Jhn Snw subscribed 4________the ther that chlera was caused by an 5__________（infect）frm germs in fd r water. 6______________（cnsequent），when an utbreak f chlera hit Lndn in 1854，Snw began t investigate. He marked
cntradictry
Cnsequently
n a map 7______exact places where all thse wh died had lived. With the help f the map，he gt a valuable clue abut the cause f the disease and he suspected that the water pump was 8__________（blame）. S he had the handle f the pump 9__________（remve） s that it culd nt be used. Thrugh this interventin，the disease was stpped in its tracks. By using maps and statistics，Snw 10____________（transfrm） the way scientists study diseases. Fr this reasn，Snw is cnsidered the father f mdern epidemilgy.
Understand the questining mind
By the end f this perid, yu will be able t…1. find ut the stages f scientific research in this passage;2. learn abut Jhn Snw’s research prcess and analyze Jhn Snw’s characters； 3. express yur idea n the given tpic thrugh creative thinking;4. analyze the structure f Prblem-Slutin pattern.
Name sme famus scientists yu knw and tell smething abut them.
Which scientist discvered that bjects in water are lifted up by a frce that helps them flat?Archimedes (阿基米德)
Wh wrte a bk explaining hw animals and plants develped as the envirnment changed?Charles Darwin.
Wh invented the way f giving electricity t everybdy in large cities?Thmas Edisn
Wh put frward a thery abut black hles?Stephen Hawking
·Jhn Snw·Jhn Snw（1813-1858） was an English physician wh was brn in Yrk, trained in Newcastle, and then set up a practice in Lndn.·He first came t the attentin f Queen Victria because he was an early prpnent(拥护者) f the use f anaesthesia (/ˌænəsˈθiːziə/麻醉)and make grund-breaking cntributins t that field.
D yu knw him?
Discuss the fllwing stages f scientific research in grups. What rder wuld yu put them in? analyse the results ask a questin draw a cnclusin ___________cllect data find a prblem find supprting evidence think f a methd
Can yu put them in right rder?
While Reading
tw cntradictry theries
In tw particular streets，the chlera utbreak was s severe that Jhn Snw was determined t find ut why.
marking n a map
·huse numbers 16，37，38，and 40 ·20 and 21 Brad Street，8 and 9 Cambridge Street
·multiple deaths near the water pump ·sme husehlds had had n deaths
·a wman and her daughter had died f chlera · the wman liked the water frm the pump s much that she had it delivered t her huse every day
As a result f this evidence，Jhn Snw was able t annunce that the pump water carried chlera germs.
Read the whle text quickly and match the main ideas.
Jhn Snw desired t destry chlera.
Jhn Snw decided t prve the secnd thery.
Snw began his study by marking n the map.
Truth f the infectin f chlera
Snw's cntributins
While Reading - Fast reading
It's ne f ________________________ in the wrld, because it causes _______________________________.
___________________(when), an utbreak f chlera hit _______ milins f peple __________________.
He rse t becme _____________ , and even __________ Queen Victria when she gave birth.
Jhn Snw became ________ because n ne knew ________________________.
Hwever, he had a desire t _____________ nce and fr all.
the mst feared diseases
severe diarrhea and dehydratin
In the early 19th century
died frm the disease
hw t prevent r treat chlera
a famus dctr
attended t
destry chlera
While Reading—careful reading Read Para 1 carefully and fill in the mind map
Thugh being famus, he was still _______t defeating “King Chlera”
Thery ne: air
Thery tw: germs
Mre prf is needed.
Thery is based n practice.
Symptms（症状）
cughsneezerunny nselung
diarrheadehydratin
While Reading—careful reading Tw Theries
A map f Brad Street-”Chlera Map”
What methd did Snw use?
1) Which huses had mre than 4 deaths in Brad Street?2) Which huses had n death in Brad Street?
Multiple deaths happened here.
N death happened here.
He suspected that the water frm the pump was t blame.
Read Para 2-3, and cmplete the chart belw.
While Reading—careful reading
A It was believed that chlera was caused by bad ____ r germs in ________________ .
B Snw _____________ the places where the peple wh _______ had lived.
D The pump water carried__________.
The ________ f the pump was remved.
fd r water
marked n a map
drinking water frm the pump
chlera germs
What caused the utbreak f chlera in Lndn in 1854?2. What cntributins did Jhn Snw make?
Read Para 4-5 and answer the questins belw
· Water cmpanies began t sell clean water.· The threat f chlera arund the wrld decreased.· He helped peple knw hw t prevnt chlera.· Snw transfrmed the way scientists study diseases.
The Father f Mdern Epidemilgy
1 What was the mst imprtant tl Snw used t defeat chlera? What cmmn medical tls，e.g.，a micrscpe，didn’t he use? Why? He used maps and statistics t analyse where the deaths ccurred. He didn’t use a micrscpe，fr example. He didn’t test the water，nr did he draw bld r examine patients. The reasn he did nt use medical equipment such as a micrscpe was that they did nt exist during his time. Further，understanding f germs and bacteria was still develping，and s he had t innvate methds himself based n the thery he believed.
In grups，discuss the fllwing questins.
2 Hw has Jhn Snw’s wrk affected ur daily lives? Snw’s wrk has prvided readily available clean water t drink，fr example，as well as an emphasis n hygiene such as the need t wash hands after they becme dirty. He als shwed hw t prevent chlera epidemics，and transfrmed the way scientists study diseases，which has allwed fr mre prtectin frm nce cmmn diseases such as chlera.
Ⅰ 阅读理解 （根据课文内容选择正确答案）1. Which f the fllwing theries did Jhn Snw believe?A. Peple spread the disease when speaking t each ther. B. Peple became infected by plluted fd r water. C. Chlera multiplied in the air withut reasn. D. Peple were dirty enugh t get the disease. 2. What was the key help fr Jhn Snw’s discvery?A. The gvernment. B. The water cmpany. C. Queen Victria. D. The map made by himself.
3. Which f the fllwing statements is right abut Jhn Snw?A. He believed tw theries abut the cause f chlera were bth right. B. He fund ut the germ f chlera and killed it by a certain drug. C. He had predicted that sme huses had n deaths at all. D. Frm his investigatin，he fund the plluted water carrying the virus. 4. At last，“King Chlera” was cntrlled by __________. A. using medicines in hspitalsB. driving patients ut f the cuntryC. dealing with the plluted waterD. getting rid f all kinds f pllutin
Ⅱ 语法填空（根据课文内容和语法规则完成短文） Jhn Snw was a famus dctr in Lndn in the 19th century. He was s expert that he attended t Queen Victria 1______ she gave birth. Hwever，he was frustrated because n ne knew hw t prevent r treat chlera，ne f the mst feared 2__________（disease） in the wrld. At that time，there were tw 3_____________（cntradict）theries t explain hw chlera spread. One was that bad air caused the disease. Jhn Snw subscribed 4________the ther that chlera was caused by an 5__________（infect）frm germs in fd r water. 6______________（cnsequent），when an utbreak f chlera hit Lndn in 1854，Snw began t investigate. He marked
cntradictry
Cnsequently
n a map 7______exact places where all thse wh died had lived. With the help f the map，he gt a valuable clue abut the cause f the disease and he suspected that the water pump was 8__________（blame）. S he had the handle f the pump 9__________（remve） s that it culd nt be used. Thrugh this interventin，the disease was stpped in its tracks. By using maps and statistics，Snw 10____________（transfrm） the way scientists study diseases. Fr this reasn，Snw is cnsidered the father f mdern epidemilgy.
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