人教版高中英语选择性必修第二册Unit 1 Section Ⅰ Reading and Thinking—Reading comprehension课件

(共28张PPT)
Reading and Thinking:
Understand the questioning mind
Learning objectives
1.Find out the stages of scientific research in this passage；
2.Learn about John Snow’s research process and analyse John Snow’s
character；
3.Express your idea on the given topic through creative thinking；
4.Analyse the structure of problem-solution pattern.
Lead-in
Watch the video and discuss the following stages of scientific research in groups. What order would you put them in
Stages of scientific research
Draw a conclusion
Collect data
Ask a question
Find a problem
Analyse the results
Find supporting evidence
Think of a method
What can we know from the title
John Snow Defeats“King Cholera”
Who
How
What
In the early 19th century, an infectious disease hit Europe.
While-reading
Activity 1 Fast-reading for main ideas
1．What’s the main idea of the passage
A．How John Snow became a well-known doctor in London.
B．How John Snow found out the cause and defeated cholera.
C．How John Snow changed the way scientists studied diseases.
D．How John Snow stopped all people from catching cholera.
√
2．Read the whole passage quickly and match the main idea with each paragraph.
Para.1　　 A．Snow began his study by marking on a map.
Para.2 B．John Snow decided to prove the second theory.
Para.3 C．Snow’s contributions.
Para.4 D．John Snow desired to defeat cholera.
Para.5 E．The truth of the infection of cholera.
Cholera
What
When
Where
What results
It used to be __________________________ in the world，because it causes _________________________________________.
one of the most feared diseases
severe diarrhoea，dehydration，and even death
_____________________.
_______.
Europe
___________________________________.
Millions of people died from the disease
In the early 19th century
Activity 2 Careful-reading for details
Ⅰ.Read para.1 quickly and fill in the mind map.
Ⅱ. Read para.2 carefully and finish the following exercises.
1．Find out the two theories.
Two contradictory theories
Theory one:
caused by ________
Theory two:
caused by _______
Symptoms
Symptoms
cough
sneeze
runny nose
lung
diarrhoea
dehydration
bad air
germs
Snow subscribed to the second theory.
2.What did John Snow investigate when another outbreak hit London in 1854
He discovered that in two particular streets the cholera outbreak was so severe that more than 500 people died in ten days. He was determined to find out why.
Ⅲ. Read para.3 carefully and finish the exercises.
Multiple deaths happened here.
No death happened here.
Public house
Clue 1: They drunk the water from the pump.
Water pump
Clue 2: They drunk free beer from the Public house.
He suspected that the water from the pump was to blame.
Find supporting evidence
Two deaths
Place
Person
Event
In another part of London
A woman and her daughter
Died of cholera because of drinking the water delivered from the pump
Draw a conclusion
Pump water carried the cholera germs.
Match the following headers with the letters from the chart above. Write A-E in the blanks.
1. conclusion
2. evidence
3. process
4. solution
5. theories
A
A
It was believed that cholera was caused by bad air or germs in food or water.
B
Snow _______________ the places where the people who ______ had lived.
E
The ________ of the pump was removed.
D
The pump water carried ____________.
marked on a map
died
C
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 _________________________.
water pump
hadn’t
drinking water from the pump
cholera germs
handle
B
C
D
E
1．How did John Snow find out the cause of the disease
A．By living in the area where cholera broke out.
B．By marking on a map the exact places where all the dead people had lived.
C．By telling the terrified people how to prevent it.
D．By saving the dying people suffering from cholera.
√
2．What was the key to finding the evidence
A．The government.
B．The woman who had moved away from Broad Street.
C．The water company.
D．The map marked by Snow.
√
Water companies sold water from the River Thames that was polluted by raw waste, causing people who drank this water to get malaria.
Water companies began to sell clean water.
The threat of cholera around the world decreased.
He helped people know how to prevent cholera.
Snow transformed the way scientists study diseases.
The Father of Modern Epidemiology
1. What caused the outbreak of cholera in London in 1854
2. What contributions did John Snow make
Ⅳ.Read paras.4 and 5 and do the following exercises.
3．Where does this passage probably come from
A．A newspaper.
B．A medical report.
C．A book review.
D．A TV interview.
√
Was cholera defeated completely
How to prevent the cholera
Activity 1　Discussion
Evaluation of John Snow
As a doctor, he helped us to ____________________.
As a scientist, he found out _________________________.
what caused cholera
prevent cholera
Post-reading
What qualities do you think John Snow has
determination
devotion
strict attitude
selflessness
passion
What qualities do you need to be a scientist
In the early 19th century, an outbreak of cholera hit Europe, _______ (cause) millions of deaths. Seeing this, John Snow became frustrated because no one knew how _________ (prevent) or treat cholera. At that time, doctors had two theories to explain how cholera spread. One was that bad air caused the disease and another was that cholera was caused by germs in food or water. John discovered that in two particular street _____ cholera outbreak was ____ severe that over 500 people died in ten days. Through his serious ____________ (investigate), he found it was the pump water in Broad Street _______ resulted in the disease. Therefore, he had the handle of the pump ________ (remove) .
causing
to prevent
the
so
investigation
that
removed
Activity 2　Summary Fill in the blanks according to the text.
It turned out that the water from the pump _______________ (infect) by waste. Through Snow's tireless efforts, water companies began to sell clean water, and the threat of cholera around the world saw ____ substantial decrease. Snow transformed the way ________________ scientists study diseases. For this reason, he is considered the father of modern epidemiology.
had been infected
that / in which
a
Analyze the key points of the text
1. Cholera used to be one of the most feared diseases in the world, until a British doctor, John Snow, showed how it could be overcome.
until从属连词,引导时间状语从句；how引导宾语从句
在英国医生约翰·斯诺向人们展示如何战胜霍乱之前，霍乱曾是世界上最令人恐惧的疾病之一。
翻译：
2. He discovered that in two particular streets the cholera outbreak was so severe that more than 500 people died in ten days.
第一个that引导宾语从句; so…that…意为“如此……以至于……”，引导结果状语从句
翻译：
他发现霍乱疫情在两条街道上尤为严重，十天内就有500多人死亡。
3. It seemed that the woman liked the water from the pump so much that she had it delivered to her house every day.
It seemed that…似乎，好像，that引导表语从句。so…that…意为“如此……以至于……”，,that引导结果状语从句
翻译：
该妇女似乎非常喜欢从水泵抽上来的水，每天都让人从那里打水
运到家里来。
Homework
Draw a mind map about how John Snow defeated the “King Cholera”.
2. Complete the exercises on P4 & P5.