文档介绍：Who defeats “King Cholera“?
What happened in 1854?
How many people died in 10 days in London in 1854?
Why was there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street?
Revision 1
1. Who defeats “King Cholera“?
2. What happened in 1854?
3. How many people died in 10 days in London in 1854?
John Snow.
Cholera outbreak hit London.
500.
4. Why was there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street at that time?
These families had not drunk the water from the Broad Street pump.
Number these events in the order they happened.
___ John Snow began to test two theories.
___ An outbreak of cholera hit London n 1854.
___ John Snow marked the deaths on a map.
___ He announced that the water carried the disease.
___ John Snow investigated two streets where the
outbreak was very severe.
___ King Cholera was defeated.
___ He found that most of the deaths were near a
water pump.
___ He had the handle removed from the water pump.
1
2
3
4
5
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7
8
Revision 2
Reading (2)
Read the text paragraph by paragraph to get details.
1. What was the most deadly disease in 19th
century? Why?
2. When could the cholera be controlled?
The cholera, because neither its cause, nor its cure was understood.
John Snow knew it would never be controlled until its cause was found.
Paragraph 1
What is the problem?
The cholera was the most deadly disease of its day. Neither its cause, nor its cure was understood.
What caused cholera?
Details
Make a question: Which theory to believe in?
Cholera multiplied in the air, floated around until it found its victims.
People absorbed it with their
meals.
Paragraph 2
Idea 1
Idea 2
A map of Broad Street
What method did he use?
Broad Street
Many deaths happened here.
No death happened here.
The water from the pump was to blame.
Public house
Paragraphs 3-4
Analyze the results: What happened to the pump water?
The water was from the river which had been po