人教版（新课程标准）必修五 Unit 1 Great scientists John Snow Defeats “King Cholera”课件（20张PPT）

(共20张PPT)
Unit 1 Great Scientists
—John Snow Defeats “King Cholera”
(1) Who wrote a book explaining how animals and plants developed as the environment changed
Marie Curie
居里夫人
C. Charles
Darwin
B. Thomas
Edison
Charles Darwin <1808-1882>, the British author of The Origin of Species.
(2) Who put forward a theory about black holes
Stephen
Hawking
C. Copernicus
（哥白尼）
B. Archimedes
阿基米德
Stephen Hawking <1942- >, a British scientist, has studied black holes in space.
(3) Who invented the earliest instrument(工具) to tell people where earthquakes happened
Charles
Darwin
C. Watt
B. Zhang
Heng
Zhang Heng <78-139>, Chinese, invented the first seismograph（地震仪）.
(4) Who invented the way of giving electricity
to everybody in large cities
Stephen
Hawking 　
C. Thomas
Edison
B. Archimedes
Thomas Edison <1847-1931>, an American inventor.
1. To have a better understanding of the reading passage;
2. To get and process information through the reading skill of synonymous substitution;
3. To express opinions about science and contributions of scientists by critical thinking.
Learning aims：
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Step 2
找主旨句
Fast reading
Can you predict the content of this passage by looking at the picture, the map and the title
who:
what: ________ cholera
when: in _______ century
where: in ________
John Snow
defeats
19th
London
Step 2
找主旨句
Part2
(para2-6)
Match them
Match
Part1
(para1)
Part3
(para7)
John Snow wanted to find out the cause of cholera
John Snow tried to seek the evidence and prove his theory
John Snow succeed in defeating “king cholera”
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Detailed reading
Read para1 and answer this question.
Who is John Snow And what happened to him and Queen Victoria
Two theories
In 1854
500 , 10
The first suggested that cholera _________
in the air; The second suggested…people
_______ this disease into their bodies
with their meals.
Another _________ hit London.
More than 500 people had _______
in 10 days.
Para 2-6: find the number below and fill the blanks
16, 37, 38 and 40
20, 21; 8, 9
7
These numbers in Broad Street
near the water ______ had many
of the ______
20 and 21 ______ Street and 8 and 9
________ Street had _____ deaths….
They didn’t drink the water
from the Broad Street pump.
These families worked in
the_______ at 7 Cambridge Street.
Two theories
In 1854
500 , 10
The first suggested that cholera _________
in the air; The second suggested…people
_______ this disease into their bodies
with their meals.
Another _________ hit London.
More than 500 people had _______
in 10 days.
Para 2-6: find the number below and fill the blanks
multiplied
absorbed
outbreak
died
16, 37, 38 and 40
20, 21; 8, 9
7
These numbers in Broad Street
near the water ______ had many
of the ______
20 and 21 ______ Street and 8 and 9
________ Street had _____ deaths….
They didn’t drink the water
from the Broad Street pump.
These families worked in
the_______ at 7 Cambridge Street.
pump
deaths
no
Broad
Cambridge
pub
Broad Street
No death happened here.
It seemed the water from the _____ was
to blame.
Public house
Many deaths happened here.
pump
Para 7
What advise did John Snow give to keep cholera from happening again
A. He advised people to move away from this pump.
B. He advised people to take some medicine.
C. He advised people to check the source of all the water supplies .
To prevent this from happening again, John Snow suggested that the source of all the water supplies be examined.
同义改写
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高考链接
In a study describing the technology, the researchers had 100 volunteers type the word ＂touch＂four times using the smart keyboard. … The team hopes to make it to market in the near future. (2019 全国C篇, Para 4)
30. What do the researchers expect of the smart keyboard A. It’ll be environment-friendly. B. It’ll reach consumers soon. C. It’ll be made of plastics. D. It’ll help speed up typing.
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Step 2
找主旨句
Summary
John Snow was a well-known ____ in London in the ___ century. He wanted to find the ______ of cholera in order to help people ______ to cholera. In 1854 when a cholera ____ out, he began to gather information. He _____ on a map where all the dead people had lived and found that many people who had drunk the dirty water from the ______ died. So he decided that the polluted water carried cholera. He suggested that the _____ of all the water supplies be _______ and new methods of _______with polluted water be found. Finally, “King Cholera” was defeated.
doctor
19th
cause
exposed
broke
marked
pump
source
examined
dealing
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Group discussion
What should we pay attention to in our daily
life in order not to get infected with cholera
Dispose rubbish properly.
Wash hands often
Drink boiled water
According to the discussion, design a poster
with your group, introducing Cholera to
people, and inform people of the ways to
keep away from getting infected with cholera.
Team work
Homework
THANK YOU
FOR LISTENING