(共17张PPT)
Unit 1
Great scientists
Reading
John Snow (1813-1858) was born and worked as a doctor in Great Britain. He was originally(起初) an anaesthetist (麻醉师).
He was so famous that he became the doctor for Queen Victoria at the births of her many children.
Four outbreaks of cholera in the 1830s and 1840s killed many people in England. In 1854, the most terrible outbreak of cholera in the kingdom” began. It was so violent and sudden that 500 people died in ten days. He was determined to
find out why.
1.What did John Snow do in London?
2.Why did many people die at that time?
3.What did the second theory say?
4. How serious was the outbreak of cholera in
London in 1854?
5. Where were many of the deaths in Broad Street?
6. What did Dr. Snow think was responsible for the
disease?
7. What did Dr. Snow advise the people in Broad
Street to do?
8. Why did the woman and her daughter die?
9. What did Dr. Snow conclude?
10. What did Dr. Snow tell the water companies?
1.What did John Snow do in London?
A. He was a famous doctor in
London.
B. He attended Queen Victoria as
her personal physician.
C. He was Queen Victoria’s personal
physician.
2.Why did many people die in Britain at
that time?
Cholera killed the people. Because there
was no cure for the disease.
3.What did the second theory say?
The second theory said that people absorbed the disease into their bodies with their meals. From the stomach the disease quickly attacked the body and soon the affected person died.
4. How serious was the outbreak of
cholera in London in 1854?
The cholera outbreak was so severe that
more than 500 people died in 10 days.
5. Where were many of the deaths in
Broad Street?
Many of the deaths were near the
water pump in Broad Street.
6. What did Dr. Snow think was
responsible for the disease?
The water was to blame.
7. What did Dr. Snow advise the people
in Broad Street to do?
He told the people to remove the handle
from the water pump so that it could not
be used.
8. Why did the woman and her daughter
die?
Because both of them drank the water
from Board Street, which they liked
most.
9. What did Dr. Snow conclude?
He concluded that polluted
water carried the disease/
virus.
10. What did Dr. Snow tell the water
companies?
He told them not to expose people to
polluted water anymore.
1 Read the passage and number these events in the order that they happened.
1. An outbreak of cholera hit London in 1854.
2. John Snow began to test two theories.
3. John Snow investigated two streets where the outbreak was very severe.
4. John Snow marked the deaths on a map.
Comprehending
5. He found that most of the deaths were near a water pump.
6. He had the handle removed from the water pump.
7. He announced that the water carried the disease.
8. King Cholera was defeated.
Homework
1. Finish Ex.1 on P42.
2. Retell the story.