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(共19张PPT)
Defeats King Cholera
What disease can you think of when you look at these pictures
COVID-19
Lead-in
④
Besides coronavirus, what other kinds of epidemics （流行病）do you konw
bird-flu（禽流感）
malaria [m leri ]（疟疾）
plague[ple ɡ]
（鼠疫）
Ebola [ b l ] (埃博拉)
①
②
③
Who Helped Defeat Malaria
Lead-in
A story of Cholera
Lead-in
According to the title and pictures, predict what the text is going to tell us .
John Snow Defeats King Cholera
Who？
How
What
The text is mainly about and he defeated king cholera
John Snow
how
Pre-reading
scientific research
Discuss the following stages of scientific research in groups. What order would you put them in
Stages of Scientific Research
______ analyse the results ______ ask a question
______ draw a conclusion ______ collect data
______ find a problem ______ find supporting evidence
______ think of a method
Pre-reading
Read the whole text quickly and match the main ideas.
Para. 1
Para. 4
Para. 5
Para. 3
Para. 2
John Snow desired to destroy cholera.
John Snow decided to prove the second theory.
Snow began his study by marking on the map.
Truth of the infection of cholera.
Snow’s contributions.
While-reading
1. Who was John Snow
2. Why it was called King Cholera
Para.1
While-reading
Who was John Snow
Para.1
John Snow
who
what
a _______ doctor, ________________
British
never __________________________
__________ Queen Victoria
attended to
lost his desire to destroy cholera
young and famous
While-reading
Para.1
Why it was called King Cholera
King Cholera
One of the most feared diseases
Millions of people died
No one knew how to prevent it
While-reading
It’s hard to treat
What can we learn from P2
two contradictory theories
Bad air caused the disease.
Cholera was caused by an infection from germs in food or water.
While-reading
Para.2
Ask a question
Find a problem
Think of a method& collect data
Para. 3
1. What method did Snow use
2. What did he find on the map What did he do to deal with it
Marking on a map
water pump
beer pub
Many deaths happened here.
No deaths happened here.
Snow suspected that the water pump was to blame.
While-reading
While-reading
Para.3
How did he defeat cholera
Think of a method
Collect data
Analyze the results
Supporting evidence
Conclusion
solution
It was believed that cholera was caused by bad ____ or germs in____________.
A
Snow ____________ the places where the people who _______ had lived.
B
Many deaths occurred near the _____________
in Broad Street.
Some people _________
drunk the water from the pump, and lived.
A woman and her daughter died in another part of London after
____________________.
The pump water carried ______________
The ________ of the pump was removed.
theories
process
air
food or water
died
investigated
water pump
hadn’t
drinking the pump water
cholera germs
handle
Solution
Conclusion
Find supporting evidence
Read Para. 2-3 again and complete the chart below.
C
D
E
conclusion evidence process solution theories
While-reading
What can we learn from paragraph 4
A. The water from the Broad Street pump was safe to drink.
B. There is no connection between cholera and water company.
C. Boiled water was safer than pure water.
D. Water companies may be the reason of other cases of cholera.
While-reading
Para.4
What contributions did John Snow make
While-reading
Para.5
What scientific spirits can we learn from John Snow
hard-working patient wise knowledgeable(博学的)
devoted(全心全意的) creative reliable professional
stubborn(顽强的) generous responsible rigorous(严谨地) imaginative(富于想象力的) determined
innovative a questioning mind
Group-work
Post-reading
Scientific spirits
hard-working patient wise professional knowledgeable(博学的) determined(坚定的)
devoted(全心全意的) innovative(创新的) creative calm (冷静的) stubborn(顽强的) generous(慷慨的) responsible rigorous(严谨地) reliable imaginative(富于想象力的)
a questioning mind(质疑精神)
Find a problem
发现问题
Ask a question
提出问题
Think of a method
思考方法
Collect data
收集数据
Analyse the results
分析结果
Find supporting evidence
寻求更多证据
Draw a conclusion
得出结论
7 stages
of Scientific Research
科学研究7个步骤
Summary
determined
hard-working
devoted
professional
creative
Innovative
rigorous
a questioning mind

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