高中英語(yǔ)人教版 (2019)選擇性必修 第二冊(cè)Unit 1 Science and Scientists精品ppt課件

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Unit1 Science And Scientists
1.1 Reading and Thinking John Snow Defeats King Cholera
02
After fighting for COVID-19,what kind of life do you want to live? Rich in money or have a healthy body?
02
What does a health body mean?
strong
away from disease
as right as rain
in the pink
02
How does human fight for diseases in modern society?
How does human fight for diseases in history?Let’s enjoy today’s story.
John Snow Defeats King Cholera
Who is John Snow？
What is King Cholera?
John Snow, (born March 15, 1813, York, Yorkshire, England—died June 16, 1858, London), English royal physician known for his seminal studies of cholera and widely viewed as the father of contemporary epidemiology.
What is King Cholera?
John Snow Defeats King Cholera
Prediction
Look at the title again and guess what the passage is going to tell us.
How?
found the cause of cholera
defeated cholera
Discuss the following stages of scientific research in groups.What oder would you put them in?
find a problem
ask a question
think of a method
collect data
analyse the results
find supporting evidence
draw a conclusion
P1
Cholera used to be one of the most feared diseases in the world.
severe diarrhoeayan,dehydration,and even death嚴(yán)重腹瀉，脫水，甚至死亡
In the early 19th century,when an outbreak of cholera hit Europe,millions of people died...
frustratednever lost his desire
P2
How cholera spread?
Theory 1 bad air caused the disease.
Theory 2 cholera was caused by an infection from germs in food or water.
Theory 2
It was correct,but he still needed proof.
P3
Snow the places where the people who had lived.
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.
marked
died
water pump
hadn’t
moving away
cholera germs
handle
P4
The water from the Broad Street pump had been infected by waste.Some companies sold water from the River Thames that was polluted by raw waste.
P5
Water companies began to sell clean water.
The threat of cholera around the world saw a substantial decrease.
We know how to prevent cholera thanks to the work of John Snow.
Snow transformed the way scientists study diseases.
What is the ending?
Match the following headers with the letters from the chart above.Write A-E in the blanks.
B
C
conclusion
evidence
process
D
solution
E
theories
A
Write out the questions according to the answer.
A:Snow thought that cholera was caused by germs in fooe or water.
A:Snow had the handle of the pump removed so that it could not be used.
01
02
Q:What
Q:Why
Ask questionsOne way to approach a reading passage is to ask questions about it.Asking questions can help you understand the cotent .It can also help you think more deeply about the topic.
did John Snow think caused the cholera?
did John Snow have the handle from the pump removed？
Write out the questions according to the answer.
A:The cholera threat was defeated thanks to the work of John Snow.
03
Q:How
Why
Ask questionsOne way to approach a reading passage is to ask questions about it.Asking questions can help you understand the cotent .It can also help you think more deeply about the topic.
was the cholera?
Discuss in group
Cholera was a 19th century disease.What disease do you think is similar to cholera today?
1
2
3
4
SARS
AIDS
TB 肺結(jié)核
Bird-flu
According to the current hygienic knowledge,what can we human do to prevent or fight these diseases?
1,Drink boiled water or cook food thoroughly2,wash hands and keep clean
Strengthen publicity and improve awareness of haelthy
Invest more on medical affairs
individual
society
government
Keep a banlance between economical development and environmental protection
more
THANKS